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Gateway to the Paleobiology Database
Río Chico (Cretaceous to of Argentina)

Where: Chubut, Argentina (45.5° S, 69.2° W: paleocoordinates 52.0° S, 46.9° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Bajo Barreal Formation (Chubut Group), Late/Upper Cenomanian to Late/Upper Cenomanian (99.7 - 89.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by J. F. Bonaparte in 1980

Collection methods: quarrying, surface (in situ), mechanical,

Primary reference: J. E. Powell. 2003. Revision of South American titanosaurid dinosaurs: palaeobiological, palaeobiogeographical and phylogenetic aspects. Records of the Queen Victoria Museum Launceston 111:1-173 [M. Carrano/M. Carrano/M. Carrano] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 51619: authorized by Matt Carrano, entered by Matt Carrano on 09.06.2005