Where: Oklahoma (34.3° N, 96.4° W: paleocoordinates 10.4° S, 35.9° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Caney Formation, Arnsbergian (327.0 - 323.7 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified, condensed shale
Size class: macrofossils
Collected by G.B. Richardson, 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
Purpose of describing collection: taxonomic analysis
PaleoDB collection 158039: authorized by Matthew Clapham, entered by Matthew Clapham on 13.07.2014
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
"Gastrioceras richardsonianum n. sp." = Richardsonites richardsonianus
"Gastrioceras richardsonianum n. sp." = Richardsonites richardsonianus Girty 1909 ammonite | |
Eumorphoceras bisulcatum Girty 1909 ammonite | |
Bactrites smithianus Girty 1909 | |
Michelinoceras wapanuckense Girty 1909 |