Where: Idaho (42.9° N, 111.5° W: paleocoordinates 15.5° N, 32.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Meade Peak Member (Phosphoria Formation), Roadian (272.3 - 268.8 Ma)

• 4.7 foot thick interval, 129.8 feet above base of member

• bed-level stratigraphic resolution

Environment/lithology: offshore; lithified, phosphatic mudstone

Size class: macrofossils

Primary reference: M. Gordon. 1966. Permian coleoid cephalopods from the Phosphoria Formation in Idaho and Montana. United States Geological Survey Professional Paper 550-B:B28-B35 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 107752: authorized by Matthew Clapham, entered by Matthew Clapham on 14.04.2011

Creative Commons license: CC BY (attribution)