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Coniopternium

Coniopternium
Temporal range: Late Oligocene (Deseadan)
~29.0–23.0 Ma
Astragali of Coniopternium andinum
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: †Litopterna
Family: †Macraucheniidae
Subfamily: †Cramaucheniinae
Genus: †Coniopternium
Ameghino, 1894
Type species
†Coniopternium andinum
Ameghino, 1894
Species
  • †C. andinum Ameghino, 1894
  • †C. primitivum Cifelli and Soria, 1983
Synonyms

†Notodiaphorus crassus Loomis, 1914

Coniopternium is an extinct genus of macraucheniids from the Late Oligocene of South America. Fossils of Coniopternium have been found in the Agua de la Piedra, Deseado, and Sarmiento Formations of Argentina,[1][2] the Salla Formation of Bolivia,[3] and the Moquegua Formation of Peru.[4]

Taxonomy

Coniopternium was first described by Ameghino in 1895 based on fossils found in the Sarmiento Formation of Chubut Province, Argentina. 19 years later, in 1914, the species Notodiaphorus crassus had been described, whose fossils were discovered in the La Flecha locality of the Deseado Formation in Santa Cruz Province.[5] However, later authorities have since synonymized Notodiaphorus with Coniopternium andinum.[6]

References

  1. ^ Schmidt, Gabriela Ines; Cerdeño, Esperanza; Pino, Santiago Hernández Del (2019-05-31). "Macraucheniidae and Proterotheriidae (Mammalia, Litopterna) from Quebrada Fiera (Late Oligocene), Mendoza Province, Argentina". Andean Geology. 46 (2): 368–382. doi:10.5027/andgeoV46n2-3109. hdl:11336/80129. ISSN 0718-7106.
  2. ^ Cerdeño, E. (2011-12-30). "Quebrada Fiera (Mendoza), un importante centro paleobiogeográfico en el Oligoceno tardío de América del Sur". Estudios Geológicos (in Spanish). 67 (2): 375–384. doi:10.3989/egeol.40519.194. ISSN 1988-3250.
  3. ^ Shockey, B.; Anaya, F. (2008). "Postcranial Osteology of Mammals from Salla, Bolivia (Late Oligocene): Form, Function, and Phylogenetic Implications". In Sargis, E. J.; Dagosto, M. (eds.). Mammalian Evolutionary Morphology: A Tribute to Frederick S. Szalay. Vertebrate Paleobiology and Paleoanthropology Series. Springer. pp. 135–157. doi:10.1007/978-1-4020-6997-0_7. ISBN 978-1-4020-6996-3.
  4. ^ Shockey, Bruce J.; Gismondi, Rodolfo Salas; Gans, Phillip; Jeong, Annie; Flynn, John J. (2009). "Paleontology and Geochronology of the Deseadan (late Oligocene) of Moquegua, Perú". American Museum Novitates. 2009 (3668): 1–24. doi:10.1206/662.1. ISSN 0003-0082.
  5. ^ Loomis, Frederic Brewster (1914). The Deseado Formation of Patagonia. Amherst College. pp. 1–232. doi:10.5962/bhl.title.28110. LCCN 14014187. OCLC 1053693.
  6. ^ Cifelli, Richard L.; Soria, Miguel F. (1983). "Notes on Deseadan Macraucheniidae". Ameghiniana (in Spanish). 20 (1–2): 141–153. ISSN 1851-8044.
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