Chaparral Alto San Jose (Miocene of Colombia)

Also known as UCMP V4406

Where: Tolima, Colombia (3.8° N, 75.2° W)

• Paleocoordinates: 4.6° N, 69.2° W (Wright 2013)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Barzalosa Formation (Gualanday Group), Early/Lower Miocene (23.0 - 16.0 Ma)

• Originally regarded as Oligocene (e.g. Langston 1965), but now thought to be Early Miocene (e.g. Cadena et al. 2008 [JVP])

Environment/lithology: terrestrial; yellow, sandy breccia and blue claystone

• In a thin lense of yellowish sandy bone breccia within a blue clay member of the Gualanday, Barzalosa series.

Size class: macrofossils

Collected by R. A. Stirton, J.Royo y Gomez, J. Wyatt Durham in 1944; reposited in the UCMP

Collection methods: quarrying,

Primary reference: J. Royo y Gomez. 1945. Los vertebrados del Terciario continental de Colombia. Revista Colombiana de ciencias exactas, físicas y naturales 6(24):496-512 [C. Jaramillo/M. Vallejo]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 133440: authorized by Carlos Jaramillo, entered by Maria Vallejo on 13.09.2012, edited by Philip Mannion and Patricia Holroyd

Creative Commons license: CC0 (CC0)

Taxonomic list

• A further description of the fossils is made by R. A. Stirton in 1953
Show authors, comments, and common names
Mammalia
 Astrapotheria - Astrapotheriidae
Astrapotheriidae indet., Xenastrapotherium chaparralensis1
Astrapotheriidae indet. Ameghino 1887 placental
Ameghino 1887
Xenastrapotherium chaparralensis1 Johnson and Madden 1997 placental
UCMP37838; UCMP38733; UCMP37833; UCMP37835; UCMP37836; UCMP37837; UCMP37834
 Notoungulata - Toxodontidae
? Toxodontidae indet.3, Proadinotherium sp.
? Toxodontidae indet.3 Scott 1873 notoungulate
Proadinotherium sp. Ameghino 1894 notoungulate
Ameghino 1894
 Panameriungulata - Proterotheriidae
Protheosodon sp.3
Protheosodon sp.3 Ameghino 1897 placental
Ameghino 1897
  -
Lophiodolodus chaparralensis n. gen. n. sp.3
Lophiodolodus chaparralensis n. gen. n. sp.3 Stirton 1946 mammal
Stirton 1947
Reptilia
 Crocodylia -
Balanerodus logimus n. gen. n. sp.2
Balanerodus logimus n. gen. n. sp.2 Langston 1965 crocodilian
U.C.M.P. no. 45787 - holotype (tooth)
 Crocodylia - Gavialidae
Gavialidae indet.2
Gavialidae indet.2 Adams 1854 crocodilian
U.C.M.P. nos. 37845, 37846, and 38379, three lots of teeth; U.C.M.P. nos. 37869-37871, three teeth
 Testudines -
"Chelonia indet." = Testudines3
"Chelonia indet." = Testudines3 Batsch 1788 turtle
1Johnson and Madden 1997; 2Langston 1965; 3Stirton 1946