Locality I, Tapera de López, Riconada de los López (Eocene of Argentina)

Where: Chubut, Argentina (44.7° S, 68.4° W: paleocoordinates 47.2° S, 58.4° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Casamayoran mammal zone, Sarmiento Formation, Casamayoran (56.0 - 48.0 Ma)

• Lower Unit, right side, of section V in Figure 6 of Marshall et al. 1986

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Collected by Scarritt Expedition in 1933; reposited in the AMNH

Primary reference: L. G. Marshall, R. L. Cifelli, R. E. Drake and G. H. Curtis. 1986. Vertebrate paleontology, geology, and geochronology of the Tapera de López and Scarritt Pocket, Chubut Province, Argentina. Journal of Paleontology 60(4):920-951 [D. Croft/D. Croft/D. Croft]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 49898: authorized by Darin Croft, entered by Darin Croft on 01.05.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

 Panameriungulata - Didolodontidae
Didolodontidae indet. Simpson 1934 placental
AMNH 28945; listed as Didolodontidae n. gen., n. sp.
 Polydolopimorphia - Polydolopidae
Amphidolops serrula Ameghino 1902 metatherian
AMNH 28933
Polydolops thomasi Ameghino 1897 metatherian
AMNH 28934