Redwall area (Jurassic to of the United States)

Also known as Icthyosaur locality

Where: Natrona County, Wyoming (44.6° N, 104.1° W: paleocoordinates 38.4° N, 48.0° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Redwater Shale Member (Sundance Formation), Late/Upper Callovian to Late/Upper Callovian (164.7 - 155.7 Ma)

• Specimen found 2.5m below the lower Camptonectes bed, which is less than 20m thick at this location.

Environment/lithology: marine; shale

Size class: macrofossils

Preservation: concretion

Collected by University of Wyoming in 2002

Collection methods: bulk,

Primary reference: J. A. Massare and H. A. Young. 2005. Gastric contents of an ichthyosaur from the Sundance Formation (Jurassic) of Central Wyoming. Paludicola 5(1):20-27 [P. Mannion/J. Tennant]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 140543: authorized by Philip Mannion, entered by Jonathan Tennant on 12.03.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Ichthyosauria - Ophthalmosauridae
Ophthalmosaurus natans Marsh 1879 ichthyosaur
UW34653, partial skeleton in a concretion