Cerro Bosta (La Colonia marine reptiles) (Cretaceous to of Argentina)

Where: Chubut, Argentina (43.0° S, 67.6° W: paleocoordinates 45.7° S, 53.8° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Reigitherium mammal zone, Middle Member (La Colonia Formation), Late/Upper Campanian to Late/Upper Campanian (83.5 - 66.0 Ma)

• "Middle levels of the La Colonia Formation, upper Campanian–lower Maastrichtian (Page et al. 1999)" (O'Gorman et al. 2013)

• bed-level stratigraphic resolution

Environment/lithology: marginal marine; lithology not reported

Size class: macrofossils

Primary reference: J. O'Gorman and Z. Gasparini. 2013. Revision of Sulcusuchus erraini (Sauropterygia, Polycotylidae) from the Upper Cretaceous of Patagonia, Argentina. Alcheringa 37(2):163-176 [P. Mannion/J. Tennant]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 99438: authorized by Matthew Carrano, entered by Hallie Street on 11.11.2010, edited by Jonathan Tennant and Evangelos Vlachos

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Testudines - Panchelidae
Chelidae "indet. 2"2 sideneck turtle
Chelidae "indet. 3"2 sideneck turtle
Chelidae "indet. 4"2 sideneck turtle
Chelidae "indet. 5"2 sideneck turtle
Yaminuechelys sulcipeculiaris4 Oriozabala et al. 2020 sideneck turtle
 Testudinata -
Patagoniaemys gasparinae3 Sterli and de la Fuente 2011 turtle
 Sauropterygia - Polycotylidae
Sulcusuchus erraini3 Gasparini and Spalletti 1990 plesiosaur
MPEF-PV 650, part of skull and mandible
 Sauropterygia - Elasmosauridae
Elasmosauridae indet.1 Cope 1869 elasmosaur
Numerous isolated vertebrae