Puesto Estancia La Costa Fossiliferous Level 7 (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: Estancia La Costa Member (Santa Cruz Formation), Santacrucian (17.5 - 16.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; green, sandy claystone and tuffaceous, silty sandstone

Size class: macrofossils

Primary reference: F. J. Prevosti, A. M. Forasiepi, M. D. Ercoli and G. F. Turazzini. 2012. Paleoecology of the mammalian carnivores (Metatheria, Sparassodonta) of the Santa Cruz Formation (late Early Miocene). In S. F. Vizcaíno, R. F. Kay, M. S. Bargo (eds.), Early Miocene Paleobiology in Patagonia: High-Latitude Paleocommunities of the Santa Cruz Formation 173-193 [J. Zijlstra/J. Zijlstra/J. Zijlstra]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 176636: authorized by Jelle Zijlstra, entered by Jelle Zijlstra on 19.02.2016, edited by Miranta Kouvari

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Sparassodonta - Borhyaenidae
Borhyaena tuberata Ameghino 1887 metatherian
MPM-PV 4330, 4380
 Sparassodonta -
Cladosictis patagonica Ameghino 1887 metatherian
MPM-PV 3646
 Notoungulata - Interatheriidae
"Protypotherium attenuatum" = Protypotherium praerutilum5, "Interatherium robustum" = Interatherium extensus3
"Protypotherium attenuatum" = Protypotherium praerutilum5 Ameghino 1887 notoungulate
"Interatherium robustum" = Interatherium extensus3 Fernández et al. 2023 notoungulate
MPM-PV 4263, skeleton
 Notoungulata - Homalodotheriidae
Homalodotherium cunninghami3 Flower 1884 notoungulate
MPM-PV 3706, fragmentary cranium
 Megatherioidea - Megalonychidae
Hyperleptus sp.1 Ameghino 1891 edentate
MPM-PV 4251, sull and mandible
 Panameriungulata - Proterotheriidae
"Diadiaphorus sp." = Proterotherium5
"Diadiaphorus sp." = Proterotherium5 Ameghino 1883 placental
 Primates - Homunculidae
Homunculus sp.4 Ameghino 1891 monkey
MPM-PV 3708, mandible
 Rodentia - Eocardiidae
Eocardiidae indet.5, "Eocardia fissa" = Dicardia fissa2
Eocardiidae indet.5 Ameghino 1891 caviomorph
"Eocardia fissa" = Dicardia fissa2 Ameghino 1891 caviomorph
MPM-PV 3683, skull and postcrania
 Rodentia -
Neoreomys australis2 Ameghino 1887 caviomorph
MPM-PV 4339, skull
Neoreomys cf. australis5 Ameghino 1887 caviomorph