Notostylops

Notostylops; Temporal range: Early-Late Eocene (Casamayoran-Divisaderan); ~48.6–37.2 Ma PreꞒ Ꞓ O S D C P T J K Pg N
	Notostylops
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	†Notoungulata
Suborder:	†Notioprogonia
Family:	†Notostylopidae
Genus:	†Notostylops; Ameghino 1897
Species
	N. murinus (type species) Ameghino 1897; N. appressus (Ameghino 1902); N. pendens (Ameghino 1901); N. pigafettai Simpson 1948;
Synonyms
	Anastylops Ameghino 1897; Catastylops Ameghino 1901; Entelostylops Ameghino 1901; Eostylops Ameghino 1901; Isostylops Ameghino 1902; Pliostylops Ameghino 1901;

Notostylops ("South Pillar Face") is a genus of extinct South American ungulate from Eocene Argentina. Fossils of the genus have been found in the Sarmiento, Casamayor, Andesitas Huancache and Koluel Kaike Formations.^[1]

Description

Notostylops was a very generalized animal, very similar to first eutherians and ungulates. It would have resembled a raccoon or weasel animal and is suspected to have browsed on low-growing plants. Notostylops was a generalised animal, likely adapted to a fairly wide range of ecological niches, but its robustness indicates it have same digging traits.^[2]^[3] Its tall skull housed rodent-like incisor teeth. Notostylops was about 75 centimetres (30 in) long.^[4]

References

^ Notostylops at Fossilworks.org
^ Croft, Darin. Horned Armadillos and Rafting Monkeys. Indiana University Press.
^ Lorente, Malena; Gelfo, Javier; Lopez, Guillermo (2018). "First skeleton of the notoungulate mammal Notostylops murinus and palaeobiology of Eocene Notostylopidae". Lethaia. doi:10.1111/let.12310.
^ Palmer, D., ed. (1999). The Marshall Illustrated Encyclopedia of Dinosaurs and Prehistoric Animals. London: Marshall Editions. p. 250. ISBN 978-1-84028-152-1.

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[FWNotostylops-1] Notostylops at Fossilworks.org

[2] Croft, Darin. Horned Armadillos and Rafting Monkeys. Indiana University Press.

[3] Lorente, Malena; Gelfo, Javier; Lopez, Guillermo (2018). "First skeleton of the notoungulate mammal Notostylops murinus and palaeobiology of Eocene Notostylopidae". Lethaia. doi:10.1111/let.12310.

[EoDP-4] Palmer, D., ed. (1999). The Marshall Illustrated Encyclopedia of Dinosaurs and Prehistoric Animals. London: Marshall Editions. p. 250. ISBN 978-1-84028-152-1.

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