Estancia La Costa Fossiliferous Level 3 (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: J. C. Fernicola and A. Albino. 2012. Amphibians and squamate reptiles from the Santa Cruz Formation (late Early Miocene), Santa Cruz Province, Argentina: paleoenvironmental and paleobiological considerations. In S. F. VizcaĆ­no, R. F. Kay, M. S. Bargo (eds.), Early Miocene Paleobiology in Patagonia: High-Latitude Paleocommunities of the Santa Cruz Formation 129-137 [J. Zijlstra/J. Zijlstra/J. Zijlstra]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 176599: authorized by Jelle Zijlstra, entered by Jelle Zijlstra on 17.02.2016, edited by Miranta Kouvari

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Megatherioidea - Megalonychidae
Hapalops sp.1 Ameghino 1887 edentate
MPM-PV 3400, skeleton
Hapalops longiceps3 Scott 1903 edentate
Hapalops cf. longiceps3 Scott 1903 edentate
 Megatherioidea -
Pelecyodon cristatus1 Ameghino 1891 edentate
MPM-PV 3409, skull
  - Mylodontidae
Mylodontidae indet.1 Ameghino 1889 edentate
MPM-PV 3406, postcrania
Nematherium sp.1 Ameghino 1887 edentate
MPM-PV 3407, skull
 Cingulata - Peltephilidae
Peltephilus pumilus4 Ameghino 1887 edentate
MPM-PV 3427, skull
 Notoungulata - Interatheriidae
"Protypotherium praerutilum" = Protypotherium praerutilum3, "Protypotherium attenuatum" = Protypotherium praerutilum3, Cochilius "sp. nov."3
"Protypotherium praerutilum" = Protypotherium praerutilum3 Ameghino 1887 notoungulate
"Protypotherium attenuatum" = Protypotherium praerutilum3 Ameghino 1887 notoungulate
Cochilius "sp. nov."3 Ameghino 1902 notoungulate
 Astrapotheria - Astrapotheriidae
Astrapotherium sp.3 Burmeister 1879 placental
Astrapotherium magnum3 Owen 1853 placental
Astrapotherium cf. magnum3 Owen 1853 placental
 Rodentia -
Steiromys detentus3 Ameghino 1887 caviomorph
Spaniomys sp.3 Ameghino 1877 caviomorph
Spaniomys riparius3 Ameghino 1887 caviomorph
Eocardia cf. excavata3 Ameghino 1891 caviomorph
Neoreomys australis3 Ameghino 1887 caviomorph
Neoreomys cf. australis3 Ameghino 1887 caviomorph
 Rodentia - Neoepiblemidae
Perimys cf. erutus3 Ameghino 1887 caviomorph
 Panameriungulata - Macraucheniidae
"Theosodon lallemanti" = Theosodon lydekkeri3
"Theosodon lallemanti" = Theosodon lydekkeri3 Ameghino 1887 placental
 Panameriungulata - Proterotheriidae
Diadiaphorus robustus3 Ameghino 1894 placental
"Proterotherium" cavum3 Ameghino 1887 placental
 Sparassodonta -
"Hathlyacyninae indet." = Hathlyacininae3 Ameghino 1894 metatherian
Sipalocyon sp.2 Ameghino 1887 metatherian
MPM-PV 4316
Sipalocyon gracilis2 Ameghino 1887 metatherian
MPM-PV 4332
Cladosictis patagonica2 Ameghino 1887 metatherian
MPM-PV 4323
Lycopsis torresi2 Cabrera 1927 metatherian
MPM-PV 4328
Amphibia
 Salientia - Calyptocephalellidae
Calyptocephalella sp. Strand 1926 helmeted water toad
MPM-PV 3712, fontoparietal; MPM-PV 3507, frontoparietal