Calerías tracksite (Cretaceous to of Bolivia)

Where: Potosi, Bolivia (20.3° S, 66.6° W: paleocoordinates 25.6° S, 45.0° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Aroifilla Formation (Puca Group), Coniacian to Coniacian (89.8 - 83.5 Ma)

• 4 m below "basal limestone" of the overlying Chaunaca Fm.

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Preservation: mold/impression, trace

Collected by Brigada 10, YPFB

Collection methods: surface (in situ),

• discovered by Brigada 10 of the YPFB

Primary reference: M. Gayet, L. G. Marshall, and T. Sempere. 1991. The Mesozoic and Paleocene vertebrates of Bolivia and their stratigraphic context: a review. In R. Suarez-Soruco (ed.), Fosiles y Facies de Bolivia. Volumen 1—Vertebrados. Revista Técnica de YPFB 12(3-4):393-433 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 67655: authorized by Matthew Carrano, entered by Matthew Carrano on 01.12.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Dinosauria -
Dinosauria indet. dinosaur
4 tracks of a large quadrupedal dinosaur