Salinas de Trapalco (Cretaceous to of Argentina)

Where: Rio Negro, Argentina (39.8° S, 66.8° W: paleocoordinates 42.6° S, 52.4° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Late/Upper Campanian to Late/Upper Campanian (83.5 - 66.0 Ma)

• The precise stratigraphical level is unknown, however, in the area where MML PV 192 was collected, only the Allen and Jaguel formations are exposed

• bed-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: J. P. O'Gorman, Z. Gasparini, and L. Salgado. 2013. Postcranial morphology of Aristonectes (Plesiosauria, Elasmosauridae) from the Upper Cretaceous of Patagonia and Antarctica. Antarctic Science 25(1):71-82 [P. Mannion/P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 140330: authorized by Philip Mannion, entered by Philip Mannion on 07.03.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

 Sauropterygia - Elasmosauridae
Aristonectes cf. parvidens Cabrera 1941 elasmosaur
MML PV 192 (three cervical vertebrae of a juvenile)