east of La Paz, C├ęsar Valley, UCMP V4309 (Jurassic to of Colombia)

Also known as Caesar Valley

Where: Magdalena, Colombia (10.5° N, 73.0° W: paleocoordinates 10.1° N, 43.0° W)

• coordinate based on unpublished field data

• small collection-level geographic resolution

When: Giron Group, Jurassic to Jurassic (201.3 - 113.0 Ma)

• no formation given. Sediments can only be constrained as "pre-upper Aptian" and probably no older than Jurassic. UCMP site lists this as Late Triassic, but this cannot be confirmed. Ref 23520 lists formation as "Giron" although this is now a group.

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; coarse-grained, pebbly, sandy, calcareous conglomerate

• "apparently nonmarine sequence"
• "coarse conglomerate comprised of well-rounded quartzite pebbles in a clacareous sandstone matrix... [rest of sequence are] predominately olive-green to brown clastic sediments which carry a few thin limey lenses. Occasional bits of petrified wood were encountered in these sediments."

Size class: macrofossils

Collected by J.W. Durham+B. B. Colley in 1943; reposited in the UCMP

Collection methods: quarrying,

Primary reference: W. Langston, Jr. and J. W. Durham. 1955. A sauropod dinosaur from Colombia. Journal of Paleontology 29(6):1047-1051 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 34727: authorized by Matthew Carrano, entered by Matthew Carrano on 17.09.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

 Saurischia - Cetiosauridae
? Cetiosauridae indet. Lydekker 1888 cetiosaurid
dorsal vertebra
Plantae indet. Haeckel 1866