Dorothy, south side of the Red Deer River (Cretaceous of Canada)

Where: Alberta, Canada (51.3° N, 112.3° W: paleocoordinates 58.7° N, 76.6° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Baculites compressus ammonoid zone, Bearpaw Shale Formation, Late/Upper Campanian (83.5 - 70.6 Ma)

• From immediately above the Dorothy Bentonite dated at 73.2 Ma, Baculites compressus zone, middle upper Campanian

• bed-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collected in 2011; reposited in the TMP

Collection methods: surface (float),

Primary reference: T. Konishi. 2012. The northernmost occurrence of Prognathodon (Squamata: Mosasauridae) from the Western Interior Seaway of North America. Canadian Journal of Earth Sciences 49(9):1111-1115 [P. Mannion/P. Mannion/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 132555: authorized by Philip Mannion, entered by Philip Mannion on 22.08.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Squamata - Mosasauridae
Prognathodon sp. Dollo 1889 mosasaur
TMP 2011.048.0082 (distal two-fifths of a marginal tooth crown, most likely derived from the middle section of the jaw)