Where: Oklahoma (34.5° N, 95.6° W: paleocoordinates 13.1° S, 38.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Goniatites granosus ammonoid zone, Caney Formation, Brigantian (336.0 - 330.9 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified shale

Size class: macrofossils

Collected by H.D. Miser in 1929; reposited in the USNM

Primary reference: M. Gordon. 1964. Carboniferous Cephalopods of Arkansas. United States Geological Survey Professional Paper 460:1-322 [J. Alroy/C. Simpson/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 158038: authorized by Matthew Clapham, entered by Matthew Clapham on 13.07.2014

Creative Commons license: CC BY (attribution)