Where: Sublette County, Wyoming (42.3° N, 110.5° W: paleocoordinates 34.9° N, 51.6° W)

• coordinate estimated from map

When: Watton Canyon Member (Twin Creek Limestone Formation), Bathonian (168.3 - 166.1 Ma)

• About 150 ft above base of member and 16 ft below top of unit 12 of published section (Imlay, 1950a, p. 42).

Environment/lithology: marine; limestone

Size class: macrofossils

Collected by R. W. Imlay in 1947; reposited in the USNM

Primary reference: R. W. Imlay. 1967. Twin Creek Limestone (Jurassic) in the Western Interior of the United States. United States Geological Survey Professional Paper 540:1-105 [S. Holland/P. Monarrez]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 167255: authorized by Steven Holland, entered by Pedro Monarrez on 09.03.2015

Creative Commons license: CC BY (attribution)