Where: Alberta, Canada (51.8° N, 112.9° W: paleocoordinates 59.5° N, 84.6° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Morrin Member (Horseshoe Canyon Formation), Early/Lower Maastrichtian (70.6 - 66.0 Ma)

• Unit 2. Middle (AMNH 5261)... portion of the Horseshoe Canyon Formation of the Edmonton

•Group. Maastrichtian, possibly including the uppermost Campanian.

• bed-level stratigraphic resolution

Environment/lithology: marine; siliciclastic sediments

Size class: macrofossils

Collected by B. Brown; reposited in the AMNH

Collection methods: mechanical,

Primary reference: B. Brown. 1913. A new plesiosaur, Leurospondylus, from the Edmonton Cretaceous of Alberta. Bulletin of the American Museum of Natural History 32(40):605-615 [M. Carrano/H. Street]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 173060: authorized by Mark Uhen, entered by Advait Jukar on 08.09.2015

Creative Commons license: CC BY (attribution)