Ctenacanthus
Extinct genus of cartilaginous fishes
Ctenacanthus (from Greek : κτείς kteis , 'comb' and Greek : ἄκανθα akantha , 'spine')[ 1] is an extinct genus of ctenacanthiform chondrichthyan . Remains have been found in the Bloyd Formation (Carboniferous Period) of Arkansas and the Cleveland Shale (Devonian Period) of Ohio in the United States and in South America.[ 2] [ 3] [ 4]
Valid species
Ctenacanthus sp. fin spine
Ctenacanthus buttersi St. John & Worthen, 1883
Ctenacanthus chemungensis Claypole, 1885
Ctenacanthus concinnus Newberry, 1875
Ctenacanthus denticulatus McCoy, 1848
Ctenacanthus formosus Newberry, 1873
Ctenacanthus harrissi Caster, 1930
Ctenacanthus lamborni Wells, 1944
Ctenacanthus major Agassiz, 1843
Ctenacanthus pellensis St. John & Worthen, 1883
Ctenacanthus sculptus St. John & Worthen, 1875
Ctenacanthus terrelli Newberry, 1889
Ctenacanthus tumidus Newberry, 1889
Ctenacanthus vetustus Eastman, 1902
Ctenacanthus wrightii Newberry, 1884
Ctenacanthus amblyxiphias Cope, 1891
See also
References
^ Roberts, George (1839). An etymological and explanatory dictionary of the terms and language of geology . London: Longman, Orme, Brown, Green, & Longmans. p. 38. Retrieved 29 December 2021 .
^ Acanthodian fish remains from the Upper Silurian or Lower Devonian of the Amazon Basin, Brazil. Philippe Janvier, Jose Henrique G. Melo, Palaeontology, Aug 1988, Vol 31, part 3
^ Agassiz, Louis (1837). "De genre Ctenacanthus Agass" . Contenant l'Histoire de l'Ordre de Placoïdes . Recherches sur les poissons fossiles. Vol. 3. Neuchâtel: Petitpierre. pp. 10–12.
^ "Ctenacanthus" . paleobiodb.org . Retrieved 2023-04-25 .
External links
"Conventionally defined chondrichthyans"
"Conventionally defined chondrichthyans"