Estancia La Costa (Miocene of Argentina)

Where: Santa Cruz, Argentina (51.2° S, 69.1° W: paleocoordinates 51.8° S, 63.4° W)

• coordinate stated in text

• local area-level geographic resolution

When: Santa Cruz Formation, Santacrucian (17.5 - 16.3 Ma)

• formation-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: mesofossils

Primary reference: S. F. Vizcaíno, R. F. Kay, and M. S. Bargo. 2012. Background for a paleoecological study of the Santa Cruz Formation (late Early Miocene) on the Atlantic Coast of Patagonia. In S. F. Vizcaí­no, R. F. Kay, M. S. Bargo (eds.), Early Miocene Paleobiology in Patagonia: High-Latitude Paleocommunities of the Santa Cruz Formation 1-22 [J. Zijlstra/J. Zijlstra/J. Zijlstra]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 176581: authorized by Jelle Zijlstra, entered by Jelle Zijlstra on 17.02.2016, edited by Kateryn Pino

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Sparassodonta -
Sipalocyon gracilis3 Ameghino 1887 metatherian
Cladosictis patagonica3 Ameghino 1887 metatherian
 Sparassodonta - Borhyaenidae
Acrocyon sectorius3 Ameghino 1887 metatherian
 Sparassodonta -
Lycopsis torresi3 Cabrera 1927 metatherian
 Notoungulata - Interatheriidae
"Interatherium extensus" = Interatherium extensus2, "Interatherium robustum" = Interatherium extensus1, Protypotherium australe3
"Interatherium extensus" = Interatherium extensus2 Fernández et al. 2023 notoungulate
"Interatherium robustum" = Interatherium extensus1 Fernández et al. 2023 notoungulate
MPM-PV 3469, cranium, mandible, ulna
Protypotherium australe3 Moreno 1882 notoungulate
 Notoungulata - Toxodontidae
Adinotherium ovinum1 Owen 1846 notoungulate
MPM-PV 3668, cranium, mandible, from "arcillas below FL 2"
Nesodon imbricatus3 Owen 1846 notoungulate
 Astrapotheria - Astrapotheriidae
? Astrapotherium magnum3 Owen 1853 placental
 Cingulata - Peltephilidae
Peltephilus pumilus3 Ameghino 1887 edentate
 Cingulata - Chlamyphoridae
"Proeutatus oenophorus" = Proeutatus oenophorum3, Prozaedyus proximus3
"Proeutatus oenophorus" = Proeutatus oenophorum3 Ameghino 1887 edentate
Prozaedyus proximus3 Ameghino 1887 edentate
 Megatherioidea -
Pelecyodon cristatus3 Ameghino 1891 edentate
 Megatherioidea - Megalonychidae
Hapalops "sp. 1"3 Ameghino 1887 edentate
Hapalops "sp. 2"3 Ameghino 1887 edentate
Eucholoeops fronto3 Ameghino 1891 edentate
  - Mylodontidae
Nematherium sp.3 Ameghino 1887 edentate
 Theriamorpha - Myrmecophagidae
Protamandua rothi3 Ameghino 1904 edentate
 Primates - Homunculidae
Homunculus patagonicus3 Ameghino 1891 monkey