Trapalcó, locality C (Cretaceous of Argentina)

Also known as Tuarangisaurus cabazai type

Where: Río Negro, Argentina (39.8° S, 66.7° W: paleocoordinates 42.3° S, 54.8° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Jagüel Formation (Malargüe Group), Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• 5 m below the Cretaceous/Paleogene boundary

•Upper part of the Jagüel Formation, Upper Maastrichtian

• bed-level stratigraphic resolution

Environment/lithology: marine; mudstone

• shallow inner-platform environment
• Mudstone

Size class: macrofossils

Collected by Hector Cabaza and Museo Municipal de Lamarque in 1998-2001

• MML, Museo Municipal de Lamarque, Rio Negro, Argentina

Primary reference: Z. Gasparini, L. Salgado, and S. Casadio. 2003. Maastrichtian plesiosaurs from northern Patagonia. Cretaceous Research 240:157-170 [P. Mannion/P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 140999: authorized by Philip Mannion, entered by Philip Mannion on 20.03.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

 Sauropterygia - Elasmosauridae
Tuarangisaurus cabazai n. sp. Gasparini et al. 2003 elasmosaur
MML-PV5 - type (17 dorsal vertebrae, 30 caudals, ribs and gastralia, incomplete anterior and posterior limbs, left coracoid and fragments of the right scapula, complete ischium and pubis)