Where: Idaho (42.9° N, 111.4° W: paleocoordinates 15.4° N, 31.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• group of beds-level stratigraphic resolution

Environment/lithology: offshore ramp; lithified, phosphatic shale

Size class: macrofossils

Collection methods: Repository: material in a private collection

Primary reference: L. Tapanila and J. Pruitt. 2013. Unraveling species concepts for the Helicoprion tooth whorl. Journal of Paleontology 87:965-983 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 152127: authorized by Matthew Clapham, entered by Matthew Clapham on 08.11.2013

Creative Commons license: CC BY (attribution)