near Rattlesnake Mountain (Cretaceous to of the United States)

Also known as TMM 45856, Big Bend National Park

Where: Brewster County, Texas (29.2° N, 103.6° W: paleocoordinates 35.7° N, 77.1° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Upper Shale Member (Aguja Formation), Middle Campanian to Middle Campanian (83.5 - 70.6 Ma)

• base of the upper shale member, about 5 m above the top of the Terlingua Creek sandstone

• bed-level stratigraphic resolution

Environment/lithology: coastal; carbonaceous claystone

• coastal environment - brackish water habitat
• thick claystone

Size class: macrofossils

Collected in 2005; reposited in the TMM

Primary reference: T. M. Lehman and S. L. Wick. 2010. Chupacabrachelys complexus, n. gen. n. sp. (Testudines: Bothremydidae), from the Aguja Formation (Campanian) of West Texas. Journal of Vertebrate Paleontology 30(6):1709-1725 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 115414: authorized by Philip Mannion, entered by Philip Mannion on 02.09.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Testudines - Bothremydidae
Chupacabrachelys complexus Lehman and Wick 2010 sideneck turtle
TMM 45856-1 (a complete shell with right and left innominates in articulation, left coracoid, left humerus, metatarsal, and phalanx)