Also known as Rio Chico 1er. yac. Pyroth.
Where: Chubut, Argentina (44.9° S, 67.2° W: paleocoordinates 47.4° S, 57.2° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Casamayoran zone, Casamayoran (56.0 - 48.0 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size class: mesofossils
Collected by Carlos Ameghino, Scarritt Expedition in c. 1900, 1931; reposited in the AMNH
Primary reference: L. G. Marshall. 1982. Systematics of the extinct South American marsupial family Polydolopidae. Fieldiana Geology 12:1-109 [R. Butler/R. Butler]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 175738: authorized by Richard Butler, entered by Richard Butler on 08.01.2016, edited by Jelle Zijlstra and Philip Mannion
Creative Commons license: CC BY (attribution)
Taxonomic list
| Mammalia | |
"Entelostylops appressus n. sp." = Notostylops2
"Entelostylops appressus n. sp." = Notostylops2 notoungulate MACN 10489, P2, P3, M1, M2 (lectotype), m3.
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Archaeopithecus rogeri3 Ameghino 1897 notoungulate AMNH FM 28824, 28871, 28872; MLP 79-I-17-10, 12, 20, 22, 36, 37, 41, 48 and 50
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