El Pajarito Colhuehuapian (Miocene of Argentina)

Where: Chubut, Argentina (43.8° S, 69.4° W: paleocoordinates 44.5° S, 63.6° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Colhuehuapian (21.0 - 17.5 Ma)

Environment/lithology: terrestrial; lithology not reported

• "creciones silíceas", similar to Sacanana

Size class: mesofossils

Primary reference: F. Goin, A. Abello, E. Bellosi, R. Kay, R. Madden and A. Carlini. 2007. Los Metatheria sudamericanos de comienzos del Neógeno (Mioceno Temprano, Edad-mamí­fero Colhuehuapense). Parte I: Introducción, Didelphimorphia y Sparassodonta. Ameghiniana 44(1):29-71 [J. Zijlstra/J. Zijlstra/J. Zijlstra]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 176441: authorized by Jelle Zijlstra, entered by Jelle Zijlstra on 12.02.2016, edited by Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Mammalia
 Paucituberculata - Abderitidae
Abderitidae indet.
Abderitidae indet. Ameghino 1889 marsupial
 Paucituberculata - Palaeothentidae
Palaeothentidae indet.
Palaeothentidae indet. Sinclair 1906 marsupial
 Rodentia - Neoepiblemidae
Perimys indet.1
Perimys indet.1 Ameghino 1887 caviomorph
 Notoungulata - Interatheriidae
Cochilius indet.1
Cochilius indet.1 Ameghino 1902 notoungulate
 Notoungulata - Hegetotheriidae
Pachyrukhos sp.2
Pachyrukhos sp.2 Ameghino 1885 notoungulate
 Cingulata - Propalaehoplophoridae
Propalaehoplophorus indet.1, Cochlops indet.1
Propalaehoplophorus indet.1 Ameghino 1887 edentate
Cochlops indet.1 Ameghino 1889 edentate
1Scillato-Yané 1977; 2Seoane et al. 2019