Where: Teton County, Wyoming (43.6° N, 110.5° W: paleocoordinates 36.8° N, 52.0° W)

• coordinate estimated from map

When: F Member, Callovian (166.1 - 163.5 Ma)

• Unit 22, Member F of unknown formation name, equivalent to Twin Creek Limestone and Sundance Formation. 163ft. thick, from 35 to 40 feet above base.

Environment/lithology: gray, calcareous shale and gray limestone

Size class: macrofossils

Primary reference: R. W. Imlay. 1956. Interpretations of the Marine Jurassic Fossil Record at Lower Slide Lake, Teton County, Wyoming. Wyoming Geological Association 11th Annual Field Conference Guidebook 70-71 [S. Holland/P. Monarrez]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 172986: authorized by Steven Holland, entered by Pedro Monarrez on 06.09.2015

Creative Commons license: CC BY (attribution)