ammonites
Carey Ranch, unit E (Carboniferous of the United States)

Where: Jefferson County, Montana (46.0° N, 111.8° W: paleocoordinates 9.6° S, 45.6° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: unit E Member (Sappington Formation), Kinderhookian (360.7 - 353.8 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified, oncoidal limestone

• biostrome of nodular calcareous algae (oncolites) and sponges; intra- and internoular brachiopod fauna; silicification of brachiopods in nodules.

Primary reference: J. Rodriguez and R. C. Gutschick. 1967. Brachiopods from the Sappinton Formation (Devonian - Mississippian) of western Montana. Journal of Paleontology 41(2):364-384 [J. Alroy/M. Sommers/J. Alroy] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 7161: authorized by John Alroy, entered by Mike Sommers on 02.05.2000

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)