Duke locality 50 (Miocene of Colombia)

Where: Huila, Colombia (3.2° N, 75.1° W: paleocoordinates 2.6° N, 72.6° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Laventan mammal zone, Villavieja Formation (Honda Group), Laventan (13.8 - 11.8 Ma)

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

• IGM 183441 - Lepidosiren paradoxa

•IGM 183434 - Colossoma macropomum

Collected by INGEOMINAS - Duke University in 1985 - 1991

Primary reference: J. Lundberg. 1997. Freshwater Fishes and their paleobiotic implicatios. In R. Kay, R. Madden, R. Cifelli, J. Flynn (eds.), Vertebrate Paleontology in the Neotropics. The Miocene Fauna from La Venta, Colombia 67-91 [A. Cardenas /L. Mora-Rojas]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 186669: authorized by Andrés Cardenas, entered by Laura Mora-Rojas on 29.06.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Actinopteri
 Siluriformes - Doradidae
Doradidae indet. catfish
Specimen n° IGM 183886
 Characiformes - Characidae
Colossoma macropomum Cuvier 1818
Specimen n° IGM 183434
Reptilia
 Squamata - Aniliidae
Colombophis portai1 Hoffstetter and Rage 1977 pipe snake
Specimen n° IGM 184579
Mammalia
 Rodentia - Caviidae
Caviidae indet.3 Gray 1821 caviomorph
Walton 1990 - IGM-DU 87-262 (This specimen was classified as Rhodanodolichotis antepridiana or Prodolichotis pridiana
Prodolichotis pridiana3 Fields 1957 caviomorph
Walton 1990 - IGM-DU 87-272
 Xenarthra - Mylodontidae
Pseudoprepotherium confusum2 Hirschfeld 1985 edentate
Specimen n° IGM 183439
Osteichthyes
 Ceratodontiformes - Lepidosirenidae
Lepidosiren paradoxa Fitzinger 1837 South American lungfish
Specimen n° IGM 183441