PBDB Collection

Divisadero Largo: Divisaderan, Argentina
collected by E. Rolleri

List of taxa

Where & when

Geology

Taphonomy & methods

Metadata & references

Taxonomic list

Mammalia - Panameriungulata - Proterotheriidae

	Phoradiadius divortiensis n. gen., n. sp. Simpson et al. 1962		8 specimens
	MACN 18.061, maxilla M2-3, holotype; MCZ 7407, maxilla M3; MCZ 7416, dentary m2; MNHM 3005 PV, dentary m3; AMNH 45932, mandible i3, p2-4; AMNH 45933, dentary m3; AMNH 45931, maxilla ?dP3-4, ?M1; AMNH 45930, maxilla P3-M3
Mammalia - Panameriungulata - Adianthidae

	Adiantoides leali n. gen., n. sp. Simpson and Minoprio 1949		1 specimen
	MNHM 3004 PV, skull
Mammalia - Notoungulata

	? Notoungulata indet. Roth 1903		1 specimen
	MACN 16610, mandible p3-m2, previously assigned tentatively to Interatheriidae
Mammalia - Notoungulata - Oldfieldthomasiidae

	Xenostephanus chiottii n. gen., n. sp. Simpson et al. 1962		5 specimens
	AMNH 45947, skull; AMNH 45948, c-m3; MLP 49-XI-21-20, m2-3; MCZ 7415, jaw fragments with P4-M1; MHNM 3008 PV, skull and P4-M3

	Brachystephanus postremus n. gen., n. sp. Simpson et al. 1962		18 specimens
	AMNH 45946, skull; AMNH 45945, skull; AMNH 45940, P3-M3; AMNH 45941, P2-M2; AMNH 45942, P3-M2; AMNH 45943, P3-M3; AMNH 45944, P3-M2; MCZ 7408, p4-m2; MCZ 7406, m1-3; MCZ 7409, P2-M3; MCZ 7410, M1-2; MCZ 7411, m2-3; MCZ 7413, m1; MLP 49-XI-21-16, skull; MLP 49-XI-21-22, P2-M3; MLP 45-VII-10-12, partial skull; MNHM 3006 PV, P3-M2; MNHM 3007 PV, M2-3
Mammalia - Notoungulata

	Allalmeia atalaensis n. gen., n. sp. Rusconi 1946		7 specimens
	MNHM 507 PV, partial skull and skeleton; MLP 45-VII-10-9, mandible left c-m1, right p3-m3; MLP 45-VII-10-10, maxilla P3-M3; MLP 45-VII-10-16, maxilla P2-M3; MLP 49-XI-21-21, maxilla M3 partial M2; MCZ 7412, maxilla M1-2, partial M3; MNHM 3009 PV, skull and jaws
Mammalia - Notoungulata - Henricosborniidae

	Acamana ambiguus n. gen., n. sp. Simpson et al. 1962		1 specimen
	MNHM 3010 PV, partial skull
Mammalia - Astrapotheria - Trigonostylopidae

	Trigonostylopidae indet. Ameghino 1901	López 2010
	= Trigonostylops sp. Ameghino 1897	López 2009
	MLP 87-II-20-74
Mammalia

	Groeberia pattersoni n. sp. Simpson 1970	López 2010

	Groeberia minoprioi n. gen., n. sp. Patterson 1952		1 specimen
	MMMP 738, holotype, mandible
Reptilia - Sebecidae

	Ilchunaia parva n. gen., n. sp. Rusconi 1946	López 2010

	Sebecosuchia indet. (Colbert 1946)	Gasparini 1984	1 specimen
	MLP 73-III-15-1 (premaxilla joined with anterior part of the mandible)
	= Barinasuchus sp. Paolillo and Linares 2007	Paolillo and Linares 2007
Reptilia

	Cunampaia simplex n. gen., n. sp. Rusconi 1946	López 2010
see common names

Country:	Argentina	State/province:	Mendoza
Coordinates:	32.9° South, 68.9° West (view map)
Paleocoordinates:	33.5° South, 59.7° West (Wright 2013)
Basis of coordinate:	estimated from map
Geographic resolution:	small collection

Period:	Paleogene	Epoch:	Eocene
10 m.y. bin:	Cenozoic 2-3
Key time interval:	Divisaderan
Age range of interval:	41.9 - 35.9 m.y. ago

Formation:	Divisadero Largo
Stratigraphic resolution:	group of beds

Primary lithology:	not reported
Environment:	terrestrial indet.

Modes of preservation:	body
Size of fossils:	macrofossils

Collection methods:	survey of museum collection
Reason for describing collection:	taxonomic analysis
Museum repositories:	MLP
Collectors:	E. Rolleri

Also known as:	Divisadero Hill
Database number:	92669
Authorizer:	J. Alroy, P. Mannion, J. Zijlstra	Enterer:	J. Alroy, J. Zijlstra, P. Mannion
Modifier:	P. Mannion	Research group:	vertebrate
Created:	2009-11-23 13:07:47	Last modified:	2025-02-22 15:12:02
Access level:	the public	Released:	2009-11-23 13:07:47
Creative Commons license:	CC0

58083		F. L. Agnolin and D. F. Pais. 2006. Revisión de Cunampaia simplex Rusconi, 1946 (Crocodylomorpha, Mesoeucrocodylia; non Aves) del Terciario Inferior de Mendoza, Argentina. Revista del Museo Argentino de Ciencias Naturales 8(1):35-40 [J. Zijlstra/J. Zijlstra/J. Zijlstra]
31227		Z. Gasparini. 1984. New Tertiary Sebecosuchia (Crocodylia: Mesosuchia) from Argentina. Journal of Vertebrate Paleontology 4(1):85-95 [J. Alroy/J. Alroy]
62672		G. M. López. 2009. Primer registro del Orden Astrapotheria en la Formación Divisadero Largo (Mendoza, Argentina). Ameghiniana 46(1):189-192 [P. Mannion/P. Mannion]
58082		G. M. López. 2010. Divisaderan: Land Mammal Age or local fauna?. In R. H. Madden, A. A. Carlini, M. G. Vucetich, R. F. Kay (eds.), The Paleontology of Gran Barranca: Evolution and Environmental Change through the Middle Cenozoic of Patagonia 410-420 [J. Zijlstra/J. Zijlstra/J. Zijlstra]
62581		M. Lorente, J. N. Gelfo, and G. M. López. 2014. Postcranial anatomy of the early notoungulate Allalmeia atalaensis from the Eocene of Argentina. Alcheringa 38(3):398-411 [P. Mannion/P. Mannion]
36755		A. Paolillo and O. J. Linares. 2007. Nuevos cocodrilos Sebecosuchia del Cenozoico Suramericano (Mesosuchia: Crocodylia). Paleobiologia Neotropical 3:1-25 [P. Mannion/P. Mannion]