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: Lefipán Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)
Environment/lithology: marine; lithology not reported
Size class: macrofossils
• MLP 40-XI-14-6, part of a cranium attached to the mandible, atlas-axis complex, anterior and middle cervical vertebrae, anterior caudal vertebrae and one posterior caudal vertebrae, caudal ribs and an incomplete limb.
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
Reptilia | |
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)
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