TMM 41450, Dawson Creek (Cretaceous of the United States)

Also known as Quetzalcoatlus holotype; Big Bend N.P.

Where: Brewster County, Texas (29.3° N, 103.5° W: paleocoordinates 36.0° N, 82.9° W)

• coordinate based on nearby landmark

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

• Found 110-140 m above the base of the Tornillo Group

• bed-level stratigraphic resolution

Environment/lithology: fluvial; fine-grained sandstone

• "braided stream"

Size class: macrofossils

Collected by Lawson; reposited in the TMM

Primary reference: D. A. Lawson. 1975. Pterosaur from the latest Cretaceous of West Texas: discovery of the largest flying creature. Science 187:947-948 [R. Butler/R. Butler]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 92251: authorized by Richard Butler, entered by Richard Butler on 04.11.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Pterosauria - Azhdarchidae
Quetzalcoatlus northropi n. gen. n. sp.
Quetzalcoatlus northropi n. gen. n. sp. Lawson 1975 pterosaur
Single large individual; TMM 41450-3