Also known as TMM 45818, Big Bend NP
Where: Brewster County, Texas (29.4° N, 103.5° W: paleocoordinates 36.0° N, 82.9° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Black Peaks Formation (Tornillo Group), Late/Upper Maastrichtian (70.6 - 66.0 Ma)
• "from the lower part of the Black Peaks Formation"
• bed-level stratigraphic resolution
Environment/lithology: "floodplain"; nodular, red mudstone
Size class: macrofossils
• "a fragmentary skeleton including basioccipital, left jugal and quadratojugal, parts of the right ramus of the mandible, two loose teeth, ten dorsal vertebral centra, parts of two neural arches, three complete dorsal ribs and five rib heads, many fragments of gastralia, central part of left clavicle, left scapula, parts of several epipodials, and many fragments of uncertain identity."
Collected by K. Barnes; reposited in the TMM
Collection methods: surface (float),
Primary reference: T. M. Lehman and K. Barnes. 2010. Champsosaurus (Diapsida: Choristodera) from the Paleocene of West Texas: Paleoclimatic Implications. Journal of Paleontology 84(2):341-345 [M. Carrano/H. Street]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 110177: authorized by Matthew Carrano, entered by Hallie Street on 03.06.2011
Creative Commons license: CC BY (attribution)