Casamayor bed 1 (Eocene of Argentina)

Also known as Notostylops beds

Where: Santa Cruz, Argentina (47.7° S, 66.7° W: paleocoordinates 50.3° S, 56.7° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Casamayor Formation, Casamayoran (56.0 - 48.0 Ma)

• Notostylops bed

Environment/lithology: terrestrial; concretionary mudstone

• Argillite with ferruginous concretions

Size class: macrofossils

Primary reference: A. Tournouër. 1903. Note sur la géologie et la paléontologie de la Patagonie. Bulletin de la Société Géologique de France 3:464-473 [J. Alroy/J. Wertheim/J. Wertheim]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 50066: authorized by John Alroy, entered by Jill Wertheim on 05.05.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Astrapotheria - Trigonostylopidae
Trigonostylops sp. Ameghino 1897 placental
 Notoungulata - Notopithecidae
Notopithecus adapinus Ameghino 1897 notoungulate
 Notoungulata - Notostylopidae
Notostylops murinus Ameghino 1897 notoungulate