Azhdarchid pterosaur, Glacier County [PROXY] (Cretaceous of the United States)

Also known as Montanazhdarcho holotype site

Where: Glacier County, Montana (48.1° N, 113.0° W: paleocoordinates 55.8° N, 78.6° W)

• coordinate based on political unit

When: Flag Butte Member (Two Medicine Formation), Late/Upper Campanian (83.5 - 70.6 Ma)

• High in the Two Medicine Formation, alongside the Two Medicine River slightly above an ash bed dated at 74.2 Ma

• bed-level stratigraphic resolution

Environment/lithology: "channel"; sandstone

• "Base of a channel sandstone, where it was surrounded by numerous rip-up clasts"

Size class: macrofossils

Collected by Robert Harmon

• MOR: Museum of the Rockies, Bozeman

Primary reference: K. Padian, A. J. de Ricqles, and J. R. Horner. 1995. Bone histology determines identification of a new fossil taxon of pterosaur (Reptilia: Archosauria). Comptes Rendus de l’Academie des Science, Serie II (320)77-84 [R. Butler/R. Butler]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 90189: authorized by Richard Butler, entered by Richard Butler on 13.07.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Pterosauria - Azhdarchidae
Montanazhdarcho minor n. gen. n. sp.
Montanazhdarcho minor n. gen. n. sp. Padian et al. 1995 pterosaur
MOR 691 (holotype), partial skeleton