Cañadón del Loro (Cretaceous of Argentina)

Where: Chubut, Argentina (42.7° S, 70.0° W: paleocoordinates 44.9° S, 58.5° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Lefipan Member (Paso del Sapo Formation), Late/Upper Maastrichtian (70.6 - 66.0 Ma)

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: Z. Gasparini, N. Bardet, J. E. Martin and M. Fernandez. 2003. The elasmosaurid plesiosaur Aristonectes Cabrera from the latest Cretaceous of South America and Antarctica. Journal of Vertebrate Paleontology 23(1):104-115 [M. Carrano/H. Street]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 97872: authorized by Matthew Carrano, entered by Hallie Street on 03.09.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

 Sauropterygia - Elasmosauridae
Aristonectes parvidens n. gen. n. sp.
Aristonectes parvidens n. gen. n. sp. Cabrera 1941 elasmosaur
MLP 40-XI-14-6 (holotype skull and cervical vertebrae)