La Cañada, Pinturas Fm., Río Chico, Santa Cruz (Miocene of Argentina)

Also known as Estancia La Cañada

Where: Santa Cruz, Argentina (48.1° S, 70.1° W: paleocoordinates 48.7° S, 64.6° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Pinturas Formation, Santacrucian (17.5 - 16.3 Ma)

• Pertains to "Upper Sequence" according to Kramarz and Bellosi, 2005 = typical Santacrucian

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Reposited in the MACN

Primary reference: T. M. Bown and C. N. Larriestra. 1990. Sedimentary paleoenvironments of fossil platyrrhine localities, Miocene Pinturas Formation, Santa Cruz Province, Argentina. Journal of Human Evolution 19(1-2):87-119 [D. Croft/D. Croft]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 59332: authorized by Darin Croft, entered by Darin Croft on 26.03.2006, edited by Juan Carrillo and Grace Varnham

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Rodentia -
Stichomys sp.3 Ameghino 1887 caviomorph
17 specimens
 Rodentia - Neoepiblemidae
Perimys sp.2 Ameghino 1887 caviomorph
2 specimens; probably a new species, but material is too fragmentary
 Rodentia -
Luantus toldensis4 Kramarz 2006 caviomorph
4 specimens
Neoreomys australis5 Ameghino 1887 caviomorph
1 specimen
 Panameriungulata - Proterotheriidae
"? Diadiaphorus sp." = Proterotherium6 Ameghino 1883 placental
one specimen, could be different species
? Diadiaphorus caniadensis n. sp.6 Kramarz and Bond 2005 placental
holotype plus 1 specimen
Tetramerorhinus ? cingulatum6 Ameghino 1891 placental
2 specimens
 Paucituberculata - Palaeothentidae
Acdestis oweni1 Ameghino 1887 marsupial
MACN SC-3162