La Parrita (Cretaceous of Mexico)

Where: Coahuila, Mexico (25.5° N, 101.4° W: paleocoordinates 31.7° N, 75.9° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Cerro del Pueblo Formation (Difunta Group), Late/Upper Campanian (83.5 - 70.6 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marginal marine; shale

Size class: macrofossils

Preservation: concretion

Collected in 2006

Primary reference: D. Brinkman, M. C. Aquillon-Martinez, C. A. De Leon Dávila, H. Jamniczky, D. A. Eberth and M. Colbert. 2009. Euclastes coahuilaensis sp. nov., a basal cheloniid turtle from the late Campanian Cerro del Pueblo Formation of Coahuila State, Mexico. PaleoBios 28(3):76-88 [D. Nicholson/D. Nicholson]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 154244: authorized by David Nicholson, entered by David Nicholson on 05.02.2014, edited by Matthew Carrano, Patricia Holroyd and Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Sphenodiscidae
Sphenodiscus sp. Meek 1871 ammonite
Listed as associated fauna - no specimen numbers given.
Osteichthyes
 Salientia -
Anura indet.1 Fischer von Waldheim 1813 frog
 Caudata - Urodela
Lisserpeton sp.1 Estes 1965 salamander
Reptilia
 Testudines - Pancheloniidae
Euclastes coahuilaensis n. sp. Brinkman et al. 2009 turtle
 Testudines - Bothremydidae
Chedighaii hutchisoni Gaffney et al. 2006 sideneck turtle
Listed as associated fauna - no specimen numbers given.
 Neornithischia - Hadrosauridae
Hadrosauridae indet.2 Cope 1869 hadrosaurid
long bones, skull elements (BENC)
Lambeosaurinae indet.2 Parks 1923 lambeosaurine
BENC 18/1-0901
Saurolophinae indet.2 Brown 1914 hadrosaurid
BENC 1-007
 Loricata -
Eusuchia indet.3 crocodilian
CPC 1479-1482 and 1484-1490
 Crocodylia -
Globidonta indet.3 Brochu 1999 crocodilian
CPC 1483
 Squamata - Mosasauridae
Mosasauridae indet. Gervais 1852 mosasaur
Listed as associated fauna - no specimen numbers given.