Lago Pueyrredón and Lago Posadas (Miocene of Argentina)

Where: Santa Cruz, Argentina (47.5° S, 71.9° W: paleocoordinates 48.2° S, 66.5° 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

Collection methods: "Few and small collections have been made."

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 176598: authorized by Jelle Zijlstra, entered by Jelle Zijlstra on 17.02.2016, edited by Grace Varnham

Creative Commons license: CC BY (attribution)

Taxonomic list

 Gruiformes - Phorusrhacidae
"Psilopterus bachmanni" = Patagornis bachmanni3
"Psilopterus bachmanni" = Patagornis bachmanni3 Moreno and Mercerat 1891 terror bird
YPM-VPPU 15904, almost complete skeleton, Lago Pueyrredón
 Sparassodonta -
Cladosictis patagonica5 Ameghino 1887 metatherian
PU 15556, partial humerus; PU 15705, skull and skeleton fragments; PU 15831, fragmentary skull and postcrania; PU 15837, fragmentary skull and postcrania (all Lake Pueyrredón)
 Megatherioidea - Megalonychidae
Hapalops platycephalus1 Scott 1903 edentate
YPM-VPPU 15536, postcrania; 15564, skull and postcrania; both Lago Pueyrredón
 Panameriungulata - Proterotheriidae
"Anisolophus australis" = Proterotherium australe2, "Tetramerorhinus mixtum" = Proterotherium australe4
"Anisolophus australis" = Proterotherium australe2 Burmeister 1879 placental
YPM-VPPU 15711, cranium, femur, tibia (Lago Pueyrredón)
"Tetramerorhinus mixtum" = Proterotherium australe4 Burmeister 1879 placental
YPM PU 15107