Ankylosaur Point (Cretaceous to of the United States)

Where: Chouteau County, Montana (47.7° N, 110.7° W: paleocoordinates 55.0° N, 77.0° W)

• coordinate based on political unit

When: Judith River Formation (Montana Group), Middle Campanian to Middle Campanian (83.5 - 70.6 Ma)

• Judithian based on fauna

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: mesofossils

Primary reference: A. Sahni. 1972. The vertebrate fauna of the Judith River Formation, Montana. Bulletin of the American Museum of Natural History 147(6):321-412 [J. Alroy/J. Alroy/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 14432: authorized by John Alroy, entered by John Alroy on 15.05.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Polydolopimorphia -
Ectocentrocristus foxi Rigby and Wolberg 1987 metatherian