Sopas Formation

The Sopas Formation is a Late Pleistocene geologic formation in Uruguay.

Fossil content

The following fossils have been reported from the formation:

Xenarthra

Genus	Species	Family	Locality	Material	Notes	Images
Propraopus	P. sp	Dasypodidae	Sopas Creek Pintado Malo Creek
Dasypus	Dasypus novemcinctus	Dasypodidae	Sopas Creek
Glyptodon	G. clavipes	Glyptodontidae	Sopas Creek Pintado Malo Creek
Panochthus	P. tuberculatus	Glyptodontidae	Sopas Creek Pintado Malo Creek
Neuryurus	N. rudis	Glyptodontidae	Pintado
Pampatherium	P. humboldtii	Pampatheriidae	Pintado Malo Creek
Glossotherium	G.robustum	Mylodontidae	Sopas Creek Pintado
Lestodon	L. armatus	Mylodontidae	Pintado
cf. Scelidotherium	S. sp	Mylodontidae	Malo Creek
Megatherium	M. americanum	Megatheriidae	Pintado Malo Creek
Nothrotherium	N.maquinense	Nothrotheriidae	Sopas Creek

Meridiungulata

Genus	Species	Family	Locality	Material	Notes	Images
Neolicaphrium	N. recens	Proterotheriidae	Sopas Creek Río Arapey Grande Pintado Malo Creek
Macrauchenia	M. patagonica	Macraucheniidae	Sopas Creek Malo Creek
Toxodon	T. platensis	Toxodontidae	Pintado

Perissodactyla

Genus	Species	Family	Locality	Material	Notes	Images
Tapirus	Tapirus terrestris	Tapiridae	Sopas Creek Pintado Malo Creek
Equus	E. neogens	Equidae	Sopas Creek Pintado
Hippidion	H. principale	Equidae	Sopas Creek Pintado

Artiodactyla

Genus	Species	Family	Locality	Material	Notes	Images
Antifer	A.ultra	Cervidae	Sopas Creek Pintado
Ozotoceros	O. bezoarticus	Cervidae	Pintado Malo Creek		The Modern Pampas Deer
Morenelaphus	brachyceros	Cervidae	Pintado
Paraceros	P. fragilis	Cervidae	Pintado
Tayassu	Tayassu pecari	Tayassuidae	Sopas Creek		White-Lipped Peccary
Catagonus	C. sp	Tayassuidae	Sopas Creek Pintado
Hemiauchenia	H. paradoxa	Camelidae	Sopas Creek Pintado Malo Creek
Llama	L. sp	Camelidae	Sopas Creek Pintado

Carnivora

Genus	Species	Family	Locality	Material	Notes	Images
Puma	P. concolor	Felidae	Sopas Creek Pintado		A mountain lion
Panthera	P. onca	Felidae	Sopas Creek Malo Creek		A Jaguar
Smilodon	S. fatalis	Felidae	Tres Cruces Grande Creek
	S. populator		Pintado Malo Creek
Leopardus	L. pardalis	Felidae	Malo Creek
Lontra	L. longicaudis	Mustelidae	Malo Creek
Dusicyon	D. avus	Canidae	Sopas Creek
Lycalopex	L. gymnoceras	Canidae	Sopas Creek Malo Creek
Protocyon	P. troglodytes	Canidae	Sopas Creek
Tremarctinae indt		Ursidae	Pintado

Rodentia

Genus	Species	Family	Locality	Material	Notes	Images
Cavia	C. sp	Caviidae	Sopas Creek Pintado Malo Creek
Microcavia	M. criolloensis	Caviidae	Sopas Creek
Neochoerus	N. cf. aesopi	Caviidae	Malo Creek
Hydrochoerus	H. hydrochaeris	Caviidae	Pintado Malo Creek		Capybara
Dolichotis	D. sp.	Caviidae	Malo Creek
Galea	G. sp.	Caviidae	Malo Creek
Holochilus	H. sp.	Cricetidae	Pintado
Lundomys	L. molitor	Cricetidae	Pintado
Reithrodon	R. sp.	Cricetidae	Malo Creek
cf. Wilfredomys	cf. W. oenax	Cricetidae	Malo Creek
Coendou	C. magnus	Erethizontidae	Pintado Malo Creek
Myocastor	M. coypus	Echimyidae	Pintado		Nutria

See also

• List of fossiliferous stratigraphic units in Uruguay

References

Bibliography

• Corona, Andrea; Ubilla, Martín; Perea, Daniel (2019), "New records and diet reconstruction using dental microwear analysis for Neolicaphrium recens Frenguelli, 1921 (Litopterna, Proterotheriidae)", Andean Geology, 46: 153–167, doi:10.5027/andgeoV46n1-3136, hdl:20.500.12008/22426, retrieved 2019-02-28
• M. Ubilla. 1985. Mamíferos fósiles, geocronología y paleoecología de la Fm. Sopas (Pleistoceno sup.) del Uruguay. Ameghiniana 22(3–4):185-196.

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