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reference to the "Arenig Ashes and Porphyries" in the neighbourhood of Arenig Fawr, in Merioneth, North Wales. The rock-succession in the Arenig district has...

Arenigs is an informal term for a group of mountains in central Snowdonia, in north Wales. They are not strictly defined, but normally include at least...

Arenig can mean: The Arenig geological period Arenig Fawr, a mountain in Wales The Arenigs, mountains in Wales Arenig railway station in Wales: it closed...

alongside the A4212 between Trawsfynydd and Bala. Arenig Fawr is the highest member of the Arenig range, with Arenig Fach (Welsh for 'small high ground'), a smaller...

Llyn Arenig Fawr is a lake and reservoir located to the northeast of Arenig Fawr, a mountain in North Wales. The reservoir's primary purpose is to supply...

Arenig Fach is a mountain in southern Snowdonia, north Wales. It is a peak in the Arenig range and lies to the north of its parent peak Arenig Fawr. It...

mountain in north-west Wales, and forms part of the Arenig mountain range. It is the only member of the Arenig group that lies outside of the Snowdonia National...

Arenig Fawr South Top is the twin top of Arenig Fawr in southern Snowdonia, North Wales. It is the second highest member of the Arenig range, being 18...

Arenig Fawr South Ridge Top is a top of Arenig Fawr in southern Snowdonia, North Wales. It lies in area of rocky knolls and small tarns, found on the broad...

National Park in Gwynedd, Wales. It is a peak in the Arenig mountain range. It lies to the west of Arenig Fawr. It has one notable top, the twin peaked Gallt...

located in the Migneint in Snowdonia, North Wales. It forms part of the Arenig mountain range being separated from the Moelwynion range at the head of...

Wales and is 669 metres (2,195 ft) high. Carnedd y Filiast is part of the Arenig mountain range, and rises from the shore of Llyn Celyn. It is also a peak...

Arenig railway station stood beneath Arenig Fawr on the Great Western Railway's Bala Ffestiniog Line in Gwynedd, Wales. It served this thinly populated...

the Middle Arenig-aged Svalbard, Valhallfonna Formation, Olenidsletta, Member, of Spitzbergen, Norway (G. catillus), and the Upper Arenig-aged Dawan Formation...

genus of asaphid trilobites. Species lived during the later part of the Arenig stage of the Ordovician Period, approximately 478 to 471 million years ago...

epifaunal detritivore. They lived in the Ordovician period, from the Lower Arenig stage age until the Ashgillian age (478.6-443.7 million years ago). During...

Wales. It is part of the Migneint-Arenig-Dduallt Special Area of Conservation, along with the mountains Arenig Fawr, Arenig Fach and Dduallt, covering a range...

Innes and Derwent Lees painted in the Arenig valley, and one of Innes's favourite subjects was the mountain Arenig Fawr. In 2011 this period was made the...

marine arthropods, the trilobites. It lived during the early part of the Arenig stage of the Ordovician Period, a faunal stage which lasted from approximately...

only for the duration of UEFA Euro 2016. In the 1910s, Bala and the nearby Arenig Fawr mountain became a focal point for a group of artists including Welsh...

genus of trilobite, extinct marine arthropods. Annamitella lived from the Arenig to the Llandeilo age of the Ordovician Period from 478.6 to 460.9 million...

Mynydd Moel 863 m (2,831 ft) Cadair Idris Snowdonia (Eryri) 26 Arenig Fawr 854m (2,802 ft) Arenig Snowdonia (Eryri) 27 Llwytmor 849m (2,785 ft) Carneddau Snowdonia...

marine arthropods, the trilobites. It lived during the early part of the Arenig stage of the Ordovician Period, a faunal stage which lasted from approximately...

The route to Blaenau was single track throughout. The stations at Bala, Arenig, Trawsfynydd and Festiniog had two platforms, each with its own track. This...

marine arthropods, the trilobites. It lived during the later part of the Arenig stage of the Ordovician Period, approximately 478 to 471 million years ago...

various guidebook writers have assigned them into groups such as the "Arenigs", the "Tarrens" and the "Dyfi hills". Snowdon's summit at 1,085 metres...

class of fossil marine arthropods, the trilobites. It lived during the Arenig stage of the Ordovician Period, approximately 478 to 471 million years ago...

Dduallt Arenig Fawr and Moel Llyfnant from Dduallt summit Highest point Elevation 662 m (2,172 ft) Prominence 138 m (453 ft) Parent peak Rhobell Fawr ...

a rock gravity dam and, at its upper end, it is bounded between Arenig Fawr and Arenig Fach, two of the mountains of south Snowdonia. Water is released...

marine arthropods, the trilobites. It lived during the later part of the Arenig stage of the Ordovician Period, approximately 478 to 471 million years ago...

Cwm yr Abbey Stream Section is a locality of Arenig faunal and stratigraphic significance. It is a Site of Special Scientific Interest in Carmarthen &...

Han solo. The type specimen of H. solo was found in marine strata of the Arenig to Llanvirn-aged Zitai Formation of Middle Ordovician southern China and...

Lapidaria is an extinct genus of trilobites. It lived during the Arenig stage of the Ordovician Period, approximately 478 to 471 million years ago. Sepkoski...

amenities provided were a platform shelter and two oil lamps, tended by Arenig station staff. The halt could be accessed via a footpath starting from the...

Highest point Elevation 661 m (2,169 ft) Prominence 266 m (873 ft) Parent peak Arenig Fach Listing Marilyn, Hewitt, Nuttall Naming English translation great snowdrift...

in the family Trinucleidae. The genus lived during the early part of the Arenig stage of the Ordovician Period, a faunal stage which lasted from approximately...

marine arthropods, the trilobites. It lived during the early part of the Arenig stage of the Ordovician Period, a faunal stage which lasted from approximately...

Commission, primarily because the line was to be flooded by damming between Arenig and Frongoch to create Llyn Celyn. The single platform carried both a station...

and 1912 he spent some time painting with Augustus John around Arenig Fawr in the Arenig valley in North Wales; John describes him thus in his memoirs...

family Nuculidae. This genus is very ancient. Fossils are known from the Arenig to the Quaternary (age range: from 478.6 to 0.0 million years ago). Fossils...

superfamily Nuculoidea. Praenuculidae species lived from the early Ordovician, Arenig stage through the Early Devonian Emsian stage. Praenuculidae fossils are...

marine arthropods, the trilobites. It lived during the early part of the Arenig stage of the Ordovician Period, a faunal stage which lasted from approximately...

marine arthropods, the trilobites. It lived during the early part of the Arenig stage of the Ordovician Period, a faunal stage which lasted from approximately...

demolished. The route was single track throughout. The stations at Bala, Arenig, Trawsfynydd and Festiniog had two platforms, each with its own track. This...

Ingleton Group Stratigraphic range: Arenig Type Group Thickness at least 600 m (2,000 ft) Lithology Primary turbiditic sandstone, siltstone, conglomerate...

class of fossil marine arthropods, the trilobites. It lived during the Arenig stage of the Ordovician Period, approximately 478 to 471 million years ago...

gwyniad. As a conservation measure, eggs of gwyniad were transferred to Llyn Arenig Fawr, a nearby reservoir, between 2003 and 2007. Powan Schelly Vendace Ford...

Zuninaspis is an extinct genus of trilobite arthropod. It lived during the Arenig stage of the Ordovician Period, approximately 478 to 471 million years ago...

marine arthropods, the trilobites. It lived during the early part of the Arenig stage of the Ordovician Period, a faunal stage which lasted from approximately...

1995, pp. 58–9. Mitchell & Smith 2010, Photo 19. "1961 last train at Bala, Arenig and Cwm Prysor Viaduct". NW Rail. Gammell 1983, Plate 12. "Viaduct over...

marine arthropods, the trilobites. It lived during the early part of the Arenig stage of the Ordovician Period, a faunal stage which lasted from approximately...

(74), Cadair Berwyn (85), Moel Famau (66), Aran Fawddwy (96), Arenig Fawr (90), Arenig Fach (87), Manod Mawr (89), Moelwyn Mawr (92), Moel Siabod (85)...

marine arthropods, the trilobites. It lived during the early part of the Arenig stage of the Ordovician Period, a faunal stage which lasted from approximately...

member of the Arenig range with Arenig Fawr lying approximately 7 miles (11 km) to the west. Llyn Celyn can easily be seen between Arenig Fach and Mynydd...

from fossils excavated in Norway. They lived during the early part of the Arenig stage of the Ordovician Period, a faunal stage that occurred about 479 to...

marine arthropods, the trilobites. It lived during the later part of the Arenig stage of the Ordovician Period, approximately 478 to 471 million years ago...

class of fossil marine arthropods, the trilobites. It lived during the Arenig stage of the Ordovician Period, approximately 479 to 472 million years ago...

which contains representatives of all the divisions of that system from the Arenig to the Ludlow rocks. By far the largest area is occupied by strata of Tarannon...

Park in Gwynedd, North Wales. Moel y Garnedd is a member of the Arenig range, with Arenig Fawr lying approximately 4 miles (6.4 km) to the west. It is the...

marine arthropods, the trilobites. It lived during the early part of the Arenig stage of the Ordovician Period, a faunal stage which lasted from approximately...

(Ordovician, "Arenig") Celdobolus Havlíček, 1982 (Ordovician, "Arenig") Cyrbasiotreta Williams & Curry, 1985 (Middle Ordovician, "Arenig") Eosiphonotreta...

Choia Temporal range: Cambrian Stage 3–Arenig PreꞒ Ꞓ O S D C P T J K Pg N Fossil of Choia carteri from the Burgess Shale Scientific classification Kingdom:...

and the Czech Republic (Arenig) G. waldorfstatleri, has been found in the Lower and Middle Ordovician of South China (Arenig-Llanvirn) Unidentified species...

trilobites from the family Asaphidae. It lived during the early part of the Arenig stage of the Ordovician, a faunal stage which lasted from approximately...

District. The rocks are almost wholly Ordovician in age (Tremadoc through Arenig to Llanvirn epochs) though the lowermost beds are possibly of Cambrian age...

a craggy ridge of quartzite called the Stiperstones (early Ordovician – Arenig Epoch, 500 Ma) runs parallel with the Pontesford-Linley fault, 6 km north-west...

lower age of the Ordovocian of Morocco. Acritarchs from Klabava Shales (Arenig). M Vavrdová, Vestnik Ustredniho ustavu geologickeho, 1972 Upper Arenigian...

marine arthropods, the trilobites. It lived during the later part of the Arenig stage of the Ordovician Period, approximately 471 to 478 million years ago...

Snowdonia National park near Cerrigydrudion in North Wales. It is part of the Arenig mountain range. It is also a peak in an area of moorland known as the Migneint...

Fenestrata is an extinct order of bryozoan, dating from the Upper Arenig. Most fenestrate bryozoans formed net-like colonies, often in funnel- or fan-shaped...

marine arthropods, the trilobites. It lived during the early part of the Arenig stage of the Ordovician Period, a faunal stage which lasted from approximately...

marine arthropods, the trilobites. It lived during the early part of the Arenig stage of the Ordovician Period, a faunal stage which lasted from approximately...

marine arthropods, the trilobites. It lived during the early part of the Arenig stage of the Ordovician Period, a faunal stage which lasted from approximately...

marine arthropods, the trilobites. It lived during the early part of the Arenig stage of the Ordovician Period, a faunal stage which lasted from approximately...

Spot height 479 near Arenig Fach in Snowdonia, Wales, marked by a cairn...

Monroe for its hourglass-like shaped glabellum. Its fossils are found in Arenig-aged marine strata from the Nora Formation, in the Georgina Basin, situated...

inland, is of particular interest for strata. The exposed rocks include the Arenig and overlying Llanvirn series. National nature reserves in Wales List of...

(/ˈæsæfʌs/) is a genus of trilobites that is known from the Lower (upper Arenig) and Middle Ordovician of northwestern Europe (Sweden, Estonia, Saint Petersburg...

Strekeisen. Retrieved 3 January 2025. Poole, W. H.; Neuman, Robert B. (2003). "Arenig volcanic and sedimentary strata, central New Brunswick and eastern Maine"...

of olenid ptychopariid trilobite. It lived during the early part of the Arenig stage of the Ordovician Period, a faunal stage which lasted from approximately...

ancient volcano that was active during the Early Ordovician period in the Arenig range within the Snowdonia National Park. Despite its modest height of 734 m...

marine arthropods, the trilobites. It lived during the later part of the Arenig stage of the Ordovician Period, approximately 478 to 471 million years ago...

in the family Trinucleidae. The genus lived during the early part of the Arenig stage of the Ordovician Period, a faunal stage which lasted from approximately...

Amygdalotheca is an extinct genus of cornute stylophoran known from the Lower Arenig of the Saint-Chinian Formation, southern France. Lefebvre, Bertrand; Vizcaino...

through a privately owned woodland being managed as a nature reserve. The Arenig mountains can also be seen to the south. Llanddoged and Maenan Wikimedia...

marine arthropods, the trilobites. It lived during the early part of the Arenig stage of the Ordovician Period, a faunal stage which lasted from approximately...

marine arthropods, the trilobites. It lived during the early part of the Arenig stage of the Ordovician Period, a faunal stage which lasted from approximately...

with the upper Arenig and the Llanvirn. The base of the Darriwilian can be correlated with a level in the Fennian stage of the Arenig. Wellman, C.H.;...

blanket mire with high rainfall - about 260 cm p.a. There is a view of Arenig Fawr. This is an area of Ordovician rocks, lending its name to the "Llyn...

Littoral Rock (Reef) Sea caves Saline Lagoon Grey seal (Halichoerus grypus) Arenig – Llanvirn GCR block Ordovician Igneous GCR block List of Sites of Special...

class of fossil marine arthropods, the trilobites. It lived during the Arenig stage of the Ordovician Period, approximately 478 to 471 million years ago...

the line regularly ran as a mixed train, with a second between Bala and Arenig. By that time such trains had become rare on Britain's railways. Workmen's...

trilobites in the family Bathyuridae. Species lived during the early part of the Arenig stage of the Ordovician Period, a faunal stage which lasted from approximately...

Mendolaspis is an extinct genus of trilobites. It lived during the Arenig stage of the Ordovician Period, approximately 478 to 471 million years ago. Sepkoski...

marine arthropods, the trilobites. It lived during the later part of the Arenig stage of the Ordovician Period, approximately 478 to 471 million years ago...

Trawsfynydd Llafar Halt Bryn-Celynog Halt Cwm Prysor Viaduct Cwm Prysor Halt Arenig Capel Celyn Halt Section flooded by Llyn Celyn Tyddyn Bridge Halt (under...

water supply for Llanfairfechan, Dwygyfylchi and Penmaenmawr Llyn Arenig Fach Llyn Arenig Fawr - water supply for Bala town Llynnau Barlwyd - supply to Llechwedd...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

legend of Sawney Bean. Ballantrae has lent its name to a subdivision of the Arenig group, which is the name applied to the lowest stage of the Ordovician system...

in the family Trinucleidae. The genus lived during the early part of the Arenig stage of the Ordovician Period, a faunal stage which lasted from approximately...

an Eoin 855 434 2,805 1,424 13A 19 NG905646 Ma,C,Sim 316 225 Wales 12 12 Arenig Fawr 854 479 2,802 1,572 30D 124 125 SH827369 Ma,Sim,Hew,N 317 48 Scotland...

class of fossil marine arthropods, the trilobites. It lived during the Arenig stage of the Ordovician Period, approximately 478 to 471 million years ago...

Saint-Chinian Early Arenig A geragnostid G. callavei Saint-Chinian Early Arenig A geragnostid G. pusio Saint-Chinian Early Arenig A geragnostid Micragnostus...

Llyn Peris Llyn Tegid Llystyn Isaf Maes Meillion a Gefail y cwm Migneint - Arenig - Dduallt Moel Hebog Moel Tryfan Moelwyn Mawr Moelypenmaen Morfa Abererch...

of Arenig Fawr. It was said that when the relationship was over, Innes buried a silver casket of love letters from Euphemia on the summit of Arenig, the...

class of fossil marine arthropods, the trilobites. It lived during the Arenig stage of the Ordovician Period, approximately 478 to 471 million years ago...

marine arthropods, the trilobites. It lived during the later part of the Arenig stage of the Ordovician Period, approximately 478 to 471 million years ago...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

marine arthropods, the trilobites. It lived during the later part of the Arenig stage of the Ordovician Period, approximately 478 to 471 million years ago...

Darriwilian 469.4 ± 0.9 * Dapingian 471.3 ± 1.4 * Lower/Early Floian (formerly Arenig) 477.1 ± 1.2 * Tremadocian 486.85 ± 1.5 * Cambrian Furongian Stage 10 Gondwana...

marine arthropods, the trilobites. It lived during the later part of the Arenig stage of the Ordovician Period, approximately 478 to 471 million years ago...

France, Morocco, Portugal, Spain and United Kingdom, as well as in the Arenig of the United Kingdom. "Ectillaenus". Paleobiology Database. Retrieved 2...

the line regularly ran as a mixed train, with a second between Bala and Arenig. By that time such trains had become rare on Britain's railways. Workmen's...

piles of Llandeilo lava and ashes form such hills as Cadair Idris, and the Arenigs in Wales, and Helvellyn and Scafell in Westmorland and Cumberland. The...

limestone Marl Millstone Plattenkalk Tufa Alum Bluff Formation Angoumian Arenig Bioclast Biostratigraphy Blue Lias Carnian Chalk Group Ediacara biota Elk...

[Family: Raphiophoridae]. Penmaen Dewi Formation (Whitlandian), middle Arenig Series of Pwlluog, N end of Whitesands Bay, near St David's, Dyfed, Wales...

(Paramegistaspis) putilovensis Balashova, 1966 – Arenig of Russia Megistaspis (Paramegistaspis) scutata Tjernvik, 1956 – Arenig of Sweden Subgenus Megistaspis (Rhinoferus)...

the line regularly ran as a mixed train, with a second between Bala and Arenig. By that time such trains had become rare on Britain's railways. Workmen's...

Svalbardites is an extinct genus of trilobites. It lived during the Arenig stage of the Ordovician Period, approximately 478 to 471 million years ago....

class of fossil marine arthropods, the trilobites. It lived during the Arenig stage of the Ordovician Period, approximately 478 to 471 million years ago...

in the family Trinucleidae. The genus lived during the early part of the Arenig stage of the Ordovician Period, a faunal stage which lasted from approximately...

class of fossil marine arthropods, the trilobites. It lived during the Arenig stage of the Ordovician Period, approximately 478 to 471 million years ago...

of the oldest found in southern Britain: formed 570 million years ago. Arenig-Llanvirn (Ordovician) rocks exposed in inland outcrops, coastal cliffs and...

the line regularly ran as a mixed train, with a second between Bala and Arenig. By that time such trains had become rare on Britain's railways. Workmen's...

(MIN-LAKE)]" (PDF). Block description. Owen, A.W.; Rushton, A.W A. "Chapter 11: Arenig to Ashgill of northern England" (PDF). In Rushton, A.W.A.; Owen, A.W.; Owens...

and is sheared by the Llyn Shear Zone in the west and covered by later (Arenig) sediments to the east. Altered to greenschist facies the pluton contains...

Lower Ordovician) Romaniella (Arenig / late Lower Ordovician) Moyerokania (Arenig / late Lower Ordovician) Angarella (Arenig / late Lower Ordovician) Pygmaeoconus...

the line regularly ran as a mixed train, with a second between Bala and Arenig. By that time such trains had become rare on Britain's railways. Workmen's...

Ulysses (VS) in Donegal, Automedon (VS 4c) and Heart of Darkness (VS 4c) on Arenig Fawr, and Traditional Route (S) on Craig Rhaeadr Ewynnol. Harold was an...

south, and further south again are the Rhinogydd range, the Cadair Idris, Arenig, and Aran massifs, and the Dyfi Hills. The mountains enclose several lakes...

of the reservoir Llyn Celyn about 4 km northeast of its higher neighbour Arenig Fawr. Mynydd Nodol forms the backdrop in views from the A4212 car park by...

geological formation in Wales. It preserves fossils dating back to the Arenig Series of the Ordovician period. List of fossiliferous stratigraphic units...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

Hansen, T. (2005). "A new trilobite species of Hemisphaerocoryphe from the Arenig of the St. Petersburg area, Russia" (PDF). Norwegian Journal of Geology...

extinct genus raphiophorid trilobites. It lived during the later part of the Arenig stage of the Ordovician Period, approximately 478 to 471 million years ago...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

States; Llandeilo of China; Whiterockian of United States; Dawan of China; Arenig of China. Strophomena amoena Strophomena billingsi Strophomena concordensis...

204.9°, 97.7m Fair Snape Fell, 207.5°, 19.2m Penycloddiau, 209.6°, 76.5m Arenig Fawr, 213.3°, 102.7m Carnedd y Filiast, 213.5°, 97.2m Manod Mawr, 217.7°...

Trawsfynydd Llafar Halt Bryn-Celynog Halt Cwm Prysor Viaduct Cwm Prysor Halt Arenig Capel Celyn Halt Section flooded by Llyn Celyn Tyddyn Bridge Halt (under...

years ago). Principal among these are the mudstones and sandstones of the Arenig (478-470 Ma) to Caradoc age (459-449 Ma) Nant Ffrancon Subgroup and the...

in the family Trinucleidae. The genus lived during the later part of the Arenig stage of the Ordovician Period, a faunal stage which lasted from approximately...

(116 km, 72 mi), Beeston Castle (61 km, 38 mi), Alderley Edge (24 km, 15 mi), Arenig Fawr (135 km, 84 mi), Moel Famau (97 km, 60 mi), Snowdon (151 km, 94 mi)...

Snowdonia were omitted. The route was to go over the Aran Mountains and the Arenig Mountains instead of the Rhinog Mountains and Cadair Idris. The crossover...

class of fossil marine arthropods, the trilobites. It lived during the Arenig stage of the Ordovician Period, approximately 478 to 471 million years ago...

Manx Group Stratigraphic range: Tremadocian to Arenig substages of Ordovician Type Group Sub-units Glen Dhoo, Lonan, Mull Hill, Creg Agneash, Maughold...

water crane. The route was single track throughout. The stations at Bala, Arenig, Trawsfynydd and Festiniog had two platforms, each with its own track. This...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

560 ft) being the highest peak. To the south of the main range lie the Arenig Group, Cadair Idris and the Berwyn Mountains. In the northeast of Wales...

better known and hugely popular with hillwalkers. Other mountains include Arenig Fawr and the Rhinogydd. The chief rivers are the Dwyryd, the Mawddach, the...

marine arthropods, the trilobites. It lived during the early part of the Arenig stage of the Ordovician Period, a faunal stage which lasted from approximately...

Trawsfynydd Llafar Halt Bryn-Celynog Halt Cwm Prysor Viaduct Cwm Prysor Halt Arenig Capel Celyn Halt Section flooded by Llyn Celyn Tyddyn Bridge Halt (under...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

National Park. Exeter: Webb & Bower. p. 119. ISBN 0-8635-0137-0. "Migneint-Arenig-Dduallt - Special Areas of Conservation". sac.jncc.gov.uk. Retrieved 3 January...

Swansea Llangorse Lake / Llyn Syfaddan Powys Llwyn Llyn Dinam Migneint–Arenig–Dduallt Conwy, Gwynedd Montgomery Canal Powys Morfa Harlech a Morfa Dyffryn...

35 [57.10766482681;-4.4402701558099 NH523045] Sim 1875 446 Wales 73 27 Arenig Fach 689 294 2,260 965 30D 124 125 [52.957850477098;-3.7580581136739 SH820415]...

of Frongoch (by footpath), on an unnamed road which provides access to Arenig Fawr. The community population taken at the 2011 census was 78. Talybont...

Cwmtirmynach, from where they hiked across a section of the snow-covered Arenig mountains using a sheep track. As they approached the transformer, the saboteurs...

of the River Doe to the northeast of Ingleton. They are ascribed to the Arenig Series. A smaller outcrop of these same rocks is found a few miles further...

marine arthropods, the trilobites. It lived during the early part of the Arenig stage of the Ordovician Period, a faunal stage which lasted from approximately...

the line regularly ran as a mixed train, with a second between Bala and Arenig. By that time such trains had become rare on Britain's railways. Workmen's...

the Glyderau Carnedd y Filiast (Cerrigydrudion) — a 669 m peak in the Arenigs This disambiguation page lists articles about distinct geographical locations...

class of fossil marine arthropods, the trilobites. It lived during the Arenig stage of the Ordovician Period, approximately 478 to 471 million years ago...

Bothies Association. Retrieved 14 September 2017. Smith (2015), pp. 183–190. "Arenig Fawr". Mountain Bothies Association. Retrieved 14 September 2017. Mogridge...

Lonan Formation Glen Dhoo Formation (oldest) All of these formations are of Arenig age with the exception of the lowermost which is Tremadocian. The Group...

the line regularly ran as a mixed train, with a second between Bala and Arenig. By that time such trains had become rare on Britain's railways. Workmen's...

Trawsfynydd Llafar Halt Bryn-Celynog Halt Cwm Prysor Viaduct Cwm Prysor Halt Arenig Capel Celyn Halt Section flooded by Llyn Celyn Tyddyn Bridge Halt (under...

approximately 4 miles northwest of Bala, on an unnamed road, 2.3 miles from Arenig Fawr and in the shadow of Mynydd Nodol. The community population taken at...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

marine arthropods, the trilobites. It lived during the early part of the Arenig stage of the Ordovician Period, a faunal stage which lasted from approximately...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

points which rise above the tree level, affording views of Snowdonia and Arenig Fawr to the west, the Berwyn Range to the south, the Clwydian Range to the...

Rhinogydd and a former manganese mine is recorded at Mochowgryn southwest of Arenig Fach. The exploitation of the Cambrian and Ordovician slates began in earnest...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

is a small river in North Wales which, rising on the eastern slopes of Arenig Fawr, flows south-east through the hamlet of Parc and into Llyn Tegid (Bala...

Trawsfynydd Llafar Halt Bryn-Celynog Halt Cwm Prysor Viaduct Cwm Prysor Halt Arenig Capel Celyn Halt Section flooded by Llyn Celyn Tyddyn Bridge Halt (under...

base of Dawan Formation. The Dapingian overlaps with the upper part of the Arenig, a geologic stage used in England. It is also equivalent to the lower part...

cambriensis is known from the Lower Ordovician of Morocco (Arenig), Wales (Upper Arenig and lower Llarvirn), and the Lower and Middle Ordovician of Spain...

33 [57.167646020106;-5.2085447883733 NH061131] Sim 752 209 Wales 24 12 Arenig Fawr 854 479 2,802 1,572 30D 124 125 [52.916672777821;-3.7459777645165 SH827369]...

Parliament again. Breese died from heart failure while grouse shooting on Arenig Mountain near Bala on 15 August 1932, aged 65 years. His daughter Beatrice...

the line regularly ran as a mixed train, with a second between Bala and Arenig. By that time such trains had become rare on Britain's railways. Workmen's...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

and is sheared by the Llyn Shear Zone in the west and covered by later (Arenig) sediments to the east. Altered to Greenschist facies the pluton contains...

Tremadocian (Lower Ordovician) and Upper Cambrian strata. The absence of Arenig and Llanvirn (Middle Ordovician) strata to the east is due to a sub-Caradoc...

northern slopes of the peak lie in Ysbyty Ifan, in Conwy. It is part of the Arenig mountain range, and rises from the shore of Llyn Celyn. It is also a peak...

is an extinct baltoceratid genus from the lower and middle Ordovician (Arenig - Llanvrin) of what are now Europe, the U.S. (Vermont), and China, having...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

further west. In the central north of the Sheffield element is the Early Arenig age Caroline Creek Sandstone on a bed of chert conglomerate. The Cabbage...

Borogothus is an extinct genus of trilobite arthropod. It lived during the Arenig stage of the Ordovician Period, approximately 478 to 471 million years ago...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

Holmiceras Temporal range: late L Ordovician (Arenig) Scientific classification Kingdom: Animalia Phylum: Mollusca Class: Cephalopoda Subclass: Nautiloidea...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

Anafon Llyn Anhafon Llyn Aran Llyn Arran Llyn Arenig Fach Llyn Arennig Fach Llyn Arenig Fawr Llyn Arenig-Fawr Llyn Arennig Fawr Llyn Bach (in Rhyd-y-main)...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

marine arthropods, the trilobites. It lived during the early part of the Arenig stage of the Ordovician Period, a faunal stage which lasted from approximately...

marine arthropods, the trilobites. It lived during the early part of the Arenig stage of the Ordovician Period, a faunal stage which lasted from approximately...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

Anafon Afon Aber SH698698 13 5.3 water supply Llyn Arenig Fach SH827417 34 14 natural lake Llyn Arenig Fawr River Dee SH846380 84 34 water supply for Bala...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

consecutive series of subspecies collected from successive zones in the late Arenig to the Llanvirn. This development improves the sensitivity of the eye for...

in the family Cyclopygidae. The genus lived during the later part of the Arenig stage of the Ordovician Period, approximately 478 to 471 million years ago...

brought by glacial process from Arenig Fawr, a mountain within Snowdonia, in Gwynedd. A plaque reads "Boulder from Arenig Mountain in N. Wales, Brought...

International Stratigraphic Chart (ISC) as the stage of the same name. The upper Arenig series corresponds to the upper part of the Lower and lower part of the...

consecutive series of subspecies collected from successive zones in the late Arenig to the Llanvirn. Although the distance between the eyes varies within any...

class of fossil marine arthropods, the trilobites. It lived during the Arenig stage of the Ordovician Period, approximately 478 to 471 million years ago...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

south the view extends over the Dee Valley to the Berwyn Mountains and Arenig Fawr near Bala. Besides farm work, local employers include a saw mill in...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

Kirk Stile Formation, to the south by the Buttermere Formation, both of Arenig age. The younger sequence of volcanic rocks overlying the Skiddaw Group...

sparsely populated community covering about 83 square kilometres. The mountain Arenig Fawr is within the community. The former church in the community was dedicated...

Species. Retrieved 2017-01-15. Cope, J. C. W. (1996). "Early Ordovician (Arenig) bivalves from the Llangynog inlier, South Wales". Palaeontology. 39 (4):...

Gwynedd 831 76 2,726 249 115 SH628612 Sim,Hew,N 32 183 Arenig Fawr South Top Arenig Fawr 30D The Arenigs Gwynedd 830 15 2,723 49 124 125 SH826366 N 33 165...

Ty'n y Llyn Llyn Ty'n y Mynydd Llyn y Fawnog Llynnau Bodgynydd Migneint - Arenig - Dduallt Morfa Uchaf, Dyffryn Conwy Mosshill Mwyngloddiau a chreigiau Gwydyr...

lay on a low shoulder with steep slopes on three sides. To the north, is Arenig Fawr (854 m (2,802 ft)) with the Berwyn Mountains and Aran Benllyn to the...

Diaphanometopidae is a family of trilobites. Its representatives lived during the Arenig and Llanvirn stages of the Ordovician Period, approximately 479 to 463 million...

 337–343 McIlroy D., Additional Ichnotaxa from the Flysch-Type Deposits of the Arenig Ribband Group, Co. Wexford, Ireland, 1999, Irish Journal of Earth Sciences...

include the Dounans Limestone Formation that contains a fossil fauna of mid-Arenig age (near the boundary between the lower and middle Ordovician). The Southern...

sandstones together with tuffs and oolitic ironstones laid down during the Arenig and Caradoc epochs of the Ordovician Period. The Nant Ffrancon subgroup...

Trawsfynydd Llafar Halt Bryn-Celynog Halt Cwm Prysor Viaduct Cwm Prysor Halt Arenig Capel Celyn Halt Section flooded by Llyn Celyn Tyddyn Bridge Halt (under...

marine arthropods, the trilobites. It lived during the later part of the Arenig stage of the Ordovician Period, approximately 478 to 471 million years ago...

1987 was excavated from the Upper Ordovician of the United Kingdom (late Arenig, Pontyfenni Formation, South Wales). S. heterocyclopygeformis Koroleva,...

Retrieved 22 June 2021. Samuel T. Turvey (2005). "Agnostid trilobites from the Arenig–Llanvirn of South China". Earth and Environmental Science Transactions of...

Donovan, S. K., and Cope, J.C.W., 1989. A new camerate crinoid from the Arenig of south Wales. Palaeontology, v. 32, pp 101-107 [112] Le Menn, J., 1976...

Darriwilian 467.3 ± 1.1* Dapingian 470.0 ± 1.4* Lower Floian (formerly Arenig) 477.7 ± 1.4* Tremadocian 485.4 ± 1.9* Cambrian Furongian Stage 10 c. 489...

ISBN 978-3-89675-740-1. E. Reitz and others: A first record of Lower Ordovician (Arenig) on the southern edge of the Rhenish Slate Mountains in the Vordertaunus:...

of the valley to the Carneddau mountains, and even as far south as the Arenig mountains. The summit of the hill, a bit further up from the crag, reaches...

1934 93 Llyn Arenig Fawr Wales Gwynedd SH8500037900 52°55′34″N 3°42′44″W / 52.926156°N 3.7121426°W / 52.926156; -3.7121426 (Llyn Arenig Fawr Reservoir)...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

trilobites. It lived in what is now South America during the early part of the Arenig stage of the Ordovician Period, a faunal stage which lasted from approximately...

Retrieved 2025-02-12. Turvey, Samuel T. (2004). "Agnostid trilobites from the Arenig–Llanvirn of South China". Earth and Environmental Science Transactions of...

Geological Conservation Review Series No. 18, JNCC, Peterborough; Chapter 8, Arenig to Ashgill in South Wales, p. 143. https://data.jncc.gov...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

marine arthropods, the trilobites. It lived during the later part of the Arenig stage of the Ordovician Period, approximately 478 to 471 million years ago...

cast as Film Music Suite No.2, for dance orchestra and piano ] Impromptu Arenig Carneval Casanova Marimba Flammella Serenade Appassionata Charivari Suite...

has been found in the Middle Ordovician of China (Dawan Formation, upper Arenig, Fenxiang, Yichang County, West Hubei). Trinodus knockerkensis has been...

; Benedetto, Juan Luis; Carrera, Marcelo G. (2003). "Early Ordovician (Arenig) faunal assemblages from western Argentina: biodiversification trends in...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

500, in November 2004, to commemorate 500th issue of Rail Magazine 60 017 Arenig Fawr Shotton Works Centenary Year 1996 DB Cargo UK Stored 60 018 Moel Siabod...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

Cambrian - Upper Cambrian) Family Eoconulidae Rowell, 1965 (Middle Ordovician [Arenig] - Upper Ordovician [Ashgill]) Family Ephippelasmatidae Rowell, 1965 (Upper...

G&SWR 1968 reopened 1987 Ardrossan Winton Pier G&SWR 1987 Ardsley GNR 1964 Arenig GWR 1960 Argoed Halt LNWR 1960 Argyle Halt Swansea Improvements and Tramway...

Sbor. Nár. Muz. (Praha), Ř. B 31, 211–238. Kraft J., Kraft P. (1993): The Arenig/Llanvirn boundary (Ordovician) in the Prague Basin (Bohemia). J. Czech Geol...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

earliest known petalocrinoid, known from a single set of five arms from Arenig-aged strata of Southern China. Petalocrinus is the most successful genus...

Koken, 1889 [Ordovician] †Pseudocrania McCoy, 1851 [Lower Ordovician ("Arenig")] Valdiviathyris Helmcke, 1940 Petrocrania (small rounded shells) encrusting...

island from Aber Mawr to the vicinity of The Bitches is a band of late Arenig age tuffs and 'pencil slates' assigned to the Aber Mawr Formation. Its boundary...

Snowdonia National Park in Gwynedd, North Wales, and forms part of the Arenig mountain range. Its parent peak is Moel Llyfnant. The peak is often known...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

†Walencrinuroides †Wallacia Fossils were found in strata dating from the Arenig to Lochkovian ages. Locations were varied and stretched from Florentine...

Hemichoanella Temporal range: Arenig PreꞒ Ꞓ O S D C P T J K Pg N Scientific classification Kingdom: Animalia Phylum: Mollusca Class: Cephalopoda Order:...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

the line regularly ran as a mixed train, with a second between Bala and Arenig. By that time such trains had become rare on Britain's railways. Workmen's...

NPRN: not yet identified. GAT PRN not yet identified. Cadw SAM: ME257: Arenig Fawr Cairn coflein NPRN: not yet identified. GAT PRN not yet identified...

López-Soriano (2012). "A new asaphid trilobite from the Lower Ordovician (Arenig) of Morocco". Batalleria. 17: 3–12. Juan Carlos Gutiérrez-Marco; Artur Abreu...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

and South America during the latter part of the Early Ordovician (late Arenig) from about 475 – 472 mya, existing for approximately 3 million years. Cyptendoceras...

marine arthropods, the trilobites. It lived during the later part of the Arenig stage of the Ordovician Period, approximately 478 to 471 million years ago...

– Upper Cambrian Torynelasmatidae 9 Ordovician (Arenig) – Silurian Eoconulidae 3 Ordovician (Arenig – Ashgill) Ceratretidae 8 Lower – Upper Cambrian...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

Mayer-Eymar, 1857 Archean 4,000 2,500 eon ICS Dana, 1876 Arenig(-ian) epoch Ordovician Europe Arenig Fawr (Wales) Sedgwick, 1847; Fearnsides 1905 Arikareean...

Magazine, 2, 216–249. Elles G. L. (1904). Some graptolite zones in the arenig rocks of wales. Geological magazine. Elles G. L. (1931). The study of geological...

skirts the hills lower slopes. Moel y Gydros is a member of the Arenig range with Arenig Fawr lying approximately 8 miles (13 km) to the south west. Its...

Company of Jackfield, the Nuway Mat Company of Coalport, Shropshire, and the Arenig Granite Company at Bala. Dyas served in local public and political life...

Cautleyan Narwhal Sound Formation Llandeilo Rangerian Cape Weber Formation Arenig (Cassinian) Poulsen Cliff Formation Tremadocian Cass Fjord Formation Tremadocian...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

Cumbria 857 109 2,812 358 34C 90 NY342205 Hu,Sim,Hew,N,W,B,Sy,Fel 57 Wales 24 Arenig Fawr Gwynedd 854 479 2,802 1,572 30D 124 125 SH827369 Ma,Sim,Hew,N 58 Ireland...

Schultze and S. Egenhoff. 2000. A possible agnathan plate from the lower Arenig (Lower Ordovician) of South Bolivia. Journal of Vertebrate Paleontology...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

of Nations (for St. Francis Hotel, San Francisco) James Dickson Innes – Arenig, North Wales Wassily Kandinsky Composition VI Composition VII Improvisation...

RoPax Ferry 8 December 2006 Caledonian Maritime Assets 54.27 x 13.9m 722 MV Arenig Fawr Suction Dredger 2007 Airbus UK 18.5 x 5m 725 MV Hallaig Double Ended...

Snowdonia National Park in Gwynedd, North Wales, and forms part of the Arenig mountain range. It is a top of Moel Llyfnant, and is twin peaked. It lies...

Schultze and S. Egenhoff. 2000. A possible agnathan plate from the lower Arenig (Lower Ordovician) of South Bolivia. Journal of Vertebrate Paleontology...

and Pensarnia were described by Cope in 1997 from fossils found in early Arenig sediments of South Wales. The genus Similodonta is known from several species...

Sands/Traeth Lafan, Conwy Bay Conwy Gwynedd UK9013031 SC654286 Migneint–Arenig–Dduallt Conwy Gwynedd UK9013131 SH786437 Mynydd Cilan, Trwyn y Wylfa ac...

Trawsfynydd Llafar Halt Bryn-Celynog Halt Cwm Prysor Viaduct Cwm Prysor Halt Arenig Capel Celyn Halt Section flooded by Llyn Celyn Tyddyn Bridge Halt (under...

Siabod 18 Dolgellau Gwynedd 863 m Mynydd Moel 19 Llanycil Gwynedd 854 m Arenig Fawr 20 Llanrhaeadr-ym-Mochnant Powys 830 m Cadair Berwyn 21 Llandrillo...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

Foel Goch may refer to: Foel Goch (Arenigs), a 611m mountain in north-east Wales Foel Goch (Hirnant), a 613m subsidiary summit of Esgeiriau Gwynion Foel-goch...

They argued that the beds lay above strata accepted as belonging to the Arenig (equivalent to the Floian) and so, that they had to be younger. Later authors...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

Trawsfynydd Llafar Halt Bryn-Celynog Halt Cwm Prysor Viaduct Cwm Prysor Halt Arenig Capel Celyn Halt Section flooded by Llyn Celyn Tyddyn Bridge Halt (under...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...

Zealand, Norway, Sweden, the United Kingdom, United States; Chazy of Canada; Arenig of Greenland. List of marine gastropod genera in the fossil record † Holopea...

Garneddwen Halt Glan Llyn Halt Llys Halt Wnion Halt Bala and Festiniog Railway Arenig Bala (New) Blaenau Ffestiniog Central Bryn-Celynog Halt Capel Celyn Halt...