ammonites
Wah Wah Mountains, unnamed fm. upper member, Utah (Carboniferous of the United States)

Where: Utah (38.4° N, 113.6° W: paleocoordinates 13.7° S, 52.3° W)

• coordinate based on nearby landmark

When: upper limestone Member, Kinderhookian (360.7 - 353.8 Ma)

• no formation name given

• member-level stratigraphic resolution

Environment/lithology: calcareous, cherty/siliceous limestone and shale

• "thin to med bedded fine-grained to dense cherty ls w/minor intercalation of calcareous shale. BA4"

Primary reference: J. J. Sepkoski Jr. 1998. Rates of speciation in the fossil record. Philosophical Transaction of the Royal Society Biological Sciences 353(1366):315-326 [J. Sepkoski/M. Sommers/A. Clement] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 554: authorized by Jack Sepkoski, entered by Mike Sommers on 14.01.1999