Monkey Beds - Walton Rodents (Miocene of Colombia)

Where: Huila, Colombia (3.3° N, 75.2° W: paleocoordinates 2.7° N, 72.6° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Laventan mammal zone, Baraya Member (Villavieja Formation), Laventan (13.8 - 11.0 Ma)

• Monkey Beds

Environment/lithology: terrestrial; lithified, muddy mudstone

• Greenish gray mudstone with medium grained sandstones and redish brown sandy mudstone

Size class: macrofossils

Primary reference: A. H. Walton. 1990. Rodents of the La Venta Fauna, Miocene, Colombia: Biostratigraphy and Paleoenvironmentl implications. Southern Methodist University 1-147 [C. Jaramillo/M. Vallejo]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 194496: authorized by Andrés Cárdenas, entered by Laura Mora-Rojas on 21.06.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Mammalia
 Rodentia -
Acarechimys minutissimus, cf. Acarechimys minutissimus, ? Steiromys sp., Microscleromys jacobsi
Acarechimys minutissimus Ameghino 1887 caviomorph
IGM-DU 88-242
cf. Acarechimys minutissimus Ameghino 1887 caviomorph
Specimen nº IGM 184229
? Steiromys sp. Ameghino 1887 caviomorph
IGM 183417
Microscleromys jacobsi caviomorph
Specimen nº FMNH PM 54672
 Rodentia - Caviidae
Caviidae indet., Prodolichotis pridiana
Caviidae indet. Gray 1821 caviomorph
UNC-II-VI-87-11 (sample was classified as Rhodanodolichotis antepridiana or Prodolichotis pridiana - Walton 1990)
Prodolichotis pridiana Fields 1957 caviomorph
IGM-DU 89-302a
 Rodentia -
Neoreomys huilensis
Neoreomys huilensis Fields 1957 caviomorph
Specimen nº FMNH PM 54708. This species was reported like "Neoreomys" huilensis