USGS 2078 green, McAlester quad (Carboniferous of the United States)

Where: Oklahoma (34.7° N, 95.7° W: paleocoordinates 12.9° 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)

• Caney shale, from concretions in black shale.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, concretionary shale

• Calcareous concretions in shale

Size class: macrofossils

Collected by J.A. Taff, G.H. Girty in 1898; 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

PaleoDB collection 160480: authorized by Matthew Clapham, entered by Matthew Clapham on 23.08.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Goniatitida - Goniatitidae
"Gastrioceras caneyanum n. sp." = Neoglyphioceras caneyanum
"Gastrioceras caneyanum n. sp." = Neoglyphioceras caneyanum Girty 1909 ammonite
 Pseudorthocerida - Pseudorthoceratidae
"Orthoceras crebriliratum n. sp." = Mitorthoceras crebriliratum
"Orthoceras crebriliratum n. sp." = Mitorthoceras crebriliratum Girty 1909