TMM 42489, Pterodactyl Ridge (lower section) (Cretaceous of the United States)

Also known as Amaral site, Big Bend National Park

Where: Brewster County, Texas (29.3° N, 103.3° W: paleocoordinates 35.9° N, 82.6° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Javelina Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• unit 10 of the Javelina Formation

• group of beds-level stratigraphic resolution

Environment/lithology: fluvial; gray, green siltstone and green, yellow claystone

• "The surrounding matrix consisted of gray-green siltstone and green to yellow claystone and shale"

Size class: macrofossils

Collected by W. Langston, Jr.; reposited in the TMM

Collection methods: chemical, mechanical,

Primary reference: B. Andres and W. Langston Jr. 2021. Morphology and taxonomy of Quetzalcoatlus Lawson 1975 (Pterodactyloidea: Azhdarchoidea). Journal of Vertebrate Paleontology 41(2):46-202 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 230204: authorized by Philip Mannion, entered by Philip Mannion on 23.05.2023

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Pterosauria - Azhdarchidae
Wellnhopterus brevirostris n. gen. n. sp.
Wellnhopterus brevirostris n. gen. n. sp. Andres and Langston 2021 pterosaur
TMM 42489-2 - holotype