Where: Carter County, Montana (45.6° N, 104.9° W: paleocoordinates 52.0° N, 78.7° W)

• coordinate estimated from map

• small collection-level geographic resolution

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

• described as uppermost Maastrichtian, Lancian NALMA; site is approx. 75 m below the K/T boundary in the local area

• bed-level stratigraphic resolution

Environment/lithology: "channel"; medium-grained sandstone

Size class: mesofossils

Collected by L. Goodman in 2001

Collection methods: surface (in situ),

• Lou Goodman

Primary reference: C. J. Ott. 2007. Cranial anatomy and biogeography of the first Leptoceratops gracilis (Dinosauria: Ornithischia) specimens from the Hell Creek Formation, southeast Montana. In K. Carpenter (ed.), Horns and Beaks: Ceratopsian and Ornithopod Dinosaurs 213-233 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 73948: authorized by Matthew Carrano, entered by Matthew Carrano on 13.07.2007

Creative Commons license: CC BY (attribution)