Duke locality 91- Crab and Mammals (Miocene of Colombia)

Where: Huila, Colombia (3.4° N, 75.1° W: paleocoordinates 2.8° N, 72.6° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: La Victoria Formation (Honda Group), Laventan (13.8 - 11.8 Ma)

• Unit between Cerro Gordo Ss. Beds and Chunchullo Ss. Beds

Environment/lithology: fluvial; lithology not reported

Size class: macrofossils

• Two immovable fingers cel. approximately 16.0 mm (tip broken) and 11.5 mm, three movable fingers cel. approximately 16.8, 17.0, and 22 mm (all tips broken), palm and bases of fingers partially embedded in rock, fragment of palm, fragment of immovable finger (IGM 184420)

Collected by INGEOMINAS - Duke University in 1987

Primary reference: G. Rodríguez. 1997. Trichodactylid Crabs. In R. Kay, R. Madden, R. Cifelli, J. Flynn (eds.), Vertebrate Paleontology in the Neotropics. The Miocene Fauna of La Venta, Colombia 63-66 [A. Cardenas /L. Mora-Rojas]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 186629: authorized by Andrés Cardenas, entered by Laura Mora-Rojas on 28.06.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Malacostraca
 Decapoda - Trichodactylidae
Sylviocarcinus piriformis Pretzmann 1968 crab
Specimen n° IGM 184420
Mammalia
 Notoungulata - Toxodontidae
Pericotoxodon platignathus2 Madden 1997 notoungulate
Specimen n° IGM 184399
 Rodentia - Caviidae
Rhodanodolichotis antepridiana4 Walton 1990 mara
Specimen nº IGM-DU 88-679
 Xenarthra - Mylodontidae
Pseudoprepotherium confusum3 Hirschfeld 1985 edentate
Specimen n° IGM 184413
 Ungulata - Macraucheniidae
Theosodon sp.1 Ameghino 1887 eutherian