Where: Brewster County, Texas (29.4° N, 103.2° W: paleocoordinates 36.0° N, 82.5° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Javelina Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)
• located a few meters below a tuff dated as 69.0 ± 0.9 Ma (U-Pb) (late Edmontonian to Lancian NALMA)
• bed-level stratigraphic resolution
Environment/lithology: fluvial; mudstone
Size class: macrofossils
Reposited in the TMM
Collection methods: quarrying, surface (float), surface (in situ), mechanical,
Primary reference: T. M. Lehman. 1985. Stratigraphy, Sedimentology, and Paleontology of Upper Cretaceous (Campanian–Maastrichtian) Sedimentary Rocks in Trans-Pecos Texas xiv-299 [M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 52091: authorized by Matthew Carrano, entered by Kaitlin Maguire on 21.07.2005, edited by Matthew Carrano
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
Alamosaurus sanjuanensis Gilmore 1922 saltasaurine | |
Ceratopsidae indet. Marsh 1888 ceratopsid |