Toxodont Locality; UCMP V4519 (Miocene of Colombia)

Also known as Scleromys Villavieja

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

• coordinate estimated from map

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

• Monkey Unit (Fields 1959)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; gray claystone

• Gray claystone

Size classes: macrofossils, mesofossils

Collected by R. W. Fields and R. A. Stirton in 1945 and 1949; reposited in the UCMP

Primary reference: R. W. Fields. 1957. Hystricomorph rodents from the late Miocene of Colombia, South America. University of California Publications in Geological Sciences 32:273-404 [C. Jaramillo/M. Vallejo/A. Cardenas ]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 134806: authorized by Carlos Jaramillo, entered by Maria Vallejo on 17.10.2012, edited by Philip Mannion and Laura Mora-Rojas

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Crocodylia - Crocodylidae
Charactosuchus fieldsi n. gen. n. sp.4
Charactosuchus fieldsi n. gen. n. sp.4 Langston 1965 crocodile
U.C.M.P. no. 39646 - holotype (mandible); referred specimen: U.C.M.P. no. 37093 (partial mandible)
 Crocodylia - Alligatoridae
Alligatoridae indet.4 Gray 1844 crocodilian
Mammalia
 Notoungulata - Toxodontidae
Pericotoxodon platignathus5 Madden 1997 notoungulate
UCMP 39632; UCMP 39631
 Notoungulata - Leontiniidae
Huilatherium pluripicatum8 Villarroel and Guerrero Diaz 1985 notoungulate
UCMP 37938; UCMP 37988, UCMP 38996
 Notoungulata - Interatheriidae
Miocochilius anomopodus7 Stirton 1953 notoungulate
UCMP 37905, UCMP 37926, UCMP 39246
 Rodentia - Dinomyidae
Scleromys colombianus Fields 1957 caviomorph
Fields 1957 - Specimen 37927, 40549, 40550
Scleromys schurmanni Stehlin 1940 caviomorph
UCMP 39894, UCMP 40551
"Olenopsis aequatorialis" = Drytomomys aequatorialis Anthony 1922 caviomorph
Anthony 1922 UCMP 41636, 39969, 40055, 39898, 39653
 Rodentia - Caviidae
Prodolichotis guerreroi9 Walton 1990 caviomorph
Walton 1990 UCMP 39901
Prodolichotis pridiana9 Fields 1957 caviomorph
UCMP 38761
 Astrapotheria - Astrapotheriidae
Granastrapotherium snorki3 Johnson and Madden 1997 placental
UCMP 39635
 Xenarthra - Pampatheriidae
Scirrotherium hondaensis1 Edmund and Theodor 1997 edentate
UCMP 40056 (right mandible);UCMP 37924 (osteodrem)
 Xenarthra - Mylodontidae
Pseudoprepotherium confusum2 Hirschfeld 1985 edentate
Hirschfeld 1985, UCMP 39585, 39950
 Sparassodonta - Hondadelphidae
Hondadelphys fieldsi6 Marshall 1976 metatherian
UCMP 39251