Also known as Ankylosaurus type

Where: Garfield County, Montana (47.6° N, 106.6° W: paleocoordinates 54.3° N, 79.6° W)

• coordinate stated in text

• small collection-level geographic resolution

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

• 61-67 m below K-T boundary

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by P. Kaisen in 1906; reposited in the AMNH

Collection methods: quarrying, mechanical,

Primary reference: B. Brown. 1908. The Ankylosauridae, a new family of armored dinosaurs from the Upper Cretaceous. Bulletin of the American Museum of Natural History 24(12):187-201 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 11931: authorized by Matthew Carrano, entered by Matthew Carrano on 19.09.2001

Creative Commons license: CC BY (attribution)