IGM-DU Locality 032 (Miocene of Colombia)

Where: Huila, Colombia (3.3° N, 75.1° W: paleocoordinates 2.7° N, 72.6° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• El Cardón Red Beds

Environment/lithology: terrestrial; lithology not reported

Size classes: mesofossils, microfossils

Collected by Duke University-Ingeominas in 1988-1989

Collection methods: quarrying,

• Rodents from screen washing

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 141256: authorized by Carlos Jaramillo, entered by Maria Vallejo on 23.03.2013, edited by Laura Mora-Rojas

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Astrapotheria - Astrapotheriidae
Xenastrapotherium kraglievichi1 Cabrera 1929 placental
IGM 250579
 Primates - Pitheciidae
Nuciruptor rubricae2 Meldrum and Kay 1997 monkey
Meldrum & Kay 1997, Specimen n° IGM 251074
 Rodentia - Erethizontidae
Microsteiromys jacobsi Walton 1990 porcupine
Walton 1990 Specimen n° IGM-DU-89-249 a left mandible fragment with p4 m1
 Rodentia - Echimyidae
Ricardomys longidens Walton 1990 spiny rat
Walton 1990 Specimen n° IGM-DU 87-228
 Rodentia - Caviidae
Caviidae indet. Gray 1821 caviomorph
Walton 1990 IGM-DU-89-139 (this specimen were reported like "Eodolichotis sp. or Prodolichotis sp." - Walton 1990 p. 80)
Rhodanodolichotis sp. Walton 1990 mara
Walton 1990 Specimen n° IGM-DU-89-97