Toxodont Locality; UCMP V4519: Laventan, Colombia
collected by R. W. Fields and R. A. Stirton 1945 1949

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
Charactosuchus fieldsi n. gen., n. sp. Langston 1965
Langston 1965
U.C.M.P. no. 39646 - holotype (mandible); referred specimen: U.C.M.P. no. 37093 (partial mandible)
Reptilia - Alligatoridae
Alligatoridae indet. Gray 1844
Langston 1965
Mammalia - Sparassodonta - Hondadelphidae
Hondadelphys fieldsi Marshall 1976
Marshall 1976
UCMP 39251
Mammalia - Notoungulata - Interatheriidae
Miocochilius anomopodus Stirton 1953
Stirton 1953
UCMP 37905, UCMP 37926, UCMP 39246
Mammalia - Notoungulata - Leontiniidae
Huilatherium pluripicatum Villarroel and Guerrero Diaz 1985
Villarroel and Colwell Danis 1997
UCMP 37938; UCMP 37988, UCMP 38996
Mammalia - Notoungulata - Toxodontidae
Pericotoxodon platignathus Madden 1997
Madden 1997
UCMP 39632; UCMP 39631
Mammalia - Astrapotheria - Astrapotheriidae
Granastrapotherium snorki Johnson and Madden 1997
Johnson and Madden 1997
UCMP 39635
Mammalia - Rodentia - Dinomyidae
Olenopsis aequatorialis (Anthony 1922)
original and current combination Drytomomys aequatorialis
Anthony 1922 UCMP 41636, 39969, 40055, 39898, 39653 (92 measurements)
Scleromys colombianus Fields 1957
Fields 1957 - Specimen 37927, 40549, 40550 (12 measurements)
Scleromys schurmanni Stehlin 1940
UCMP 39894, UCMP 40551
Mammalia - Rodentia - Caviidae
Prodolichotis pridiana Fields 1957
Walton 1990
UCMP 38761
Prodolichotis guerreroi Walton 1990
Walton 1990
Walton 1990 UCMP 39901
Mammalia - Cingulata - Pampatheriidae
Scirrotherium hondaensis Edmund and Theodor 1997
Edmund and Theodor 1997
UCMP 40056 (right mandible);UCMP 37924 (osteodrem)
Mammalia - Mylodontidae
Pseudoprepotherium confusum Hirschfeld 1985
Hirschfeld 1985
recombined as Magdalenabradys confusum
Hirschfeld 1985, UCMP 39585, 39950
see common names

Geography
Country:Colombia State/province:Huila County:Villavieja
Coordinates: 3.3° North, 75.2° West (view map)
Paleocoordinates:2.7° North, 72.6° West
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period:Neogene Epoch:Miocene
10 m.y. bin:Cenozoic 5-6
Key time interval:Laventan Mammal zone: Laventan
Age range of interval:13.70000 - 10.90000 m.y. ago
Stratigraphy
Geological group:Honda Formation:Villavieja
Stratigraphic resolution:bed
Stratigraphy comments: Monkey Unit (Fields 1959)

The Honda Group is constrained by radiometric and paleomagnetic evidence to between approximately 13.5 Ma–11.8 Ma (Flynn et al., 1996; Guerrero, 1996; Madden et al., 1996).
Lithology and environment
Primary lithology:gray claystone
Lithology description: Gray claystone
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Abundance in sediment:few
Fragmentation:frequent
Collection methods and comments
Collection methods:field collection,survey of museum collection
Reason for describing collection:taxonomic analysis
Museum repositories:UCMP
Collectors:R. W. Fields and R. A. Stirton Collection dates:1945 and 1949
Metadata
Also known as:Scleromys Villavieja
Database number:134806
Authorizer:C. Jaramillo, P. Mannion, A. Cárdenas Enterer:M. Vallejo, P. Mannion, L. Mora-Rojas
Modifier:G. Varnham Research group:vertebrate
Created:2012-10-17 03:20:41 Last modified:2022-02-14 10:52:55
Access level:group members Released:2015-10-17 03:20:41
Creative Commons license:CC BY
Reference information

Primary reference:

43121. 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. Cárdenas]

Secondary references:

46924 G. Edmund and J. Theodor. 1997. A new giant Pampatheriid Armadillo. In R. F. Kay, R. H. Madden, J. J. Flynn. (eds.), Vertebrate Paleontology in the Neotropics. The Miocene fauna of La Venta, Colombia 226-233 [C. Jaramillo/M. Vallejo/A. Cárdenas]
45203 S. E. Hirschfeld. 1985. Ground sloths from the Friasian La Venta fauna, with additions to the pre-Frasian Coyaima fauna of Colombia, South America. University of California Publications in Geological Sciences 128:1-91 [C. Jaramillo/M. Vallejo/A. Cárdenas]
43668 S. E. Johnson and R. H. Madden. 1997. Uruguaytheriine Astrapotheres of Tropical South America. In R. F. Kay, R. H. Madden, R. L. Cifelli, J. J. Flynn (eds.), Vertebrate Paleontology in the Neotropics. The Miocene fauna of La Venta, Colombia 355-382 [C. Jaramillo/M. Vallejo/L. Mora-Rojas]
46538 W. Langston. 1965. Fossil crocodilians from Colombia and the Cenozoic history of the Crocodilia in South America. University of California Publications in Geological Sciences 52:1-169 [P. Mannion/P. Mannion/M. Carrano]
46970 R. H. Madden. 1997. A new Toxodontid Notoungulate. In R. F. Kay, R. H. Madden, J. J. Flynn. (eds.), Vertebrate Paleontology in the Neotropics. The Miocene fauna of La Venta, Colombia 335-354 [C. Jaramillo/M. Vallejo/A. Cárdenas]
43580 L. G. Marshall. 1976. New Didelphine Marsupials from the La Venta Fauna (Miocene) of Colombia, South America. Journal of Paleontology 50(3):402-418 [C. Jaramillo/M. Vallejo/A. Cárdenas]
43342 R. A. Stirton. 1953. A new genus of interatheres from the Miocene of Colombia. California University Department of Geological Sciences B 29(6):265-347 [C. Jaramillo/M. Vallejo/A. Cárdenas]
46952 C. Villarroel and J. Colwell Danis. 1997. New Leontiniid Notoungulate. In R. F. Kay, R. H. Madden, J. J. Flynn. (eds.), Vertebrate Paleontology in the Neotropics. The Miocene fauna of La Venta, Colombia 303-318 [C. Jaramillo/M. Vallejo/A. Cárdenas]
45865 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]