Utikumasis Lake (Cretaceous of Canada)

Also known as Utikuma Lake

Where: Alberta, Canada (55.9° N, 115.4° W: paleocoordinates 63.7° N, 76.6° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Nomad Member (Puskwaskau Formation), Early/Lower Campanian (83.5 - 70.6 Ma)

Environment/lithology: offshore; mudstone and siltstone

• The Puskwaskau was characterized by a low gradient, low relief sea floor, where mudstone, siltstone, and minor sandstone accumulated in relatively shallow water, probably less than 50m

Size class: macrofossils

Primary reference: P. R. Bell, F. Fanti, M. T. Mitchell and P. J. Currie. 2014. Marine reptiles (Plesiosauria and Mosasauridae) from the Puskwaskau Formation (Santonian-Campanian), West-Central Alberta. Journal of Paleontology 88(1):187-194 [P. Mannion/J. Tennant]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 153811: authorized by Philip Mannion, entered by Jonathan Tennant on 15.01.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Plesiosauria - Polycotylidae
Polycotylidae indet.
Polycotylidae indet. Williston 1908 plesiosaur
TMP 1978.022.0001 is an isolated posterior cervical centrum; TMP1973.011.3048 is an isolated dorsal centrum; TMP 1973.011.3049 is an isolated caudal centrum; TMP1973.011.3050 is an isolated dorsal