Where: Searcy County, Arkansas (35.9° N, 92.6° W: paleocoordinates 10.8° S, 32.4° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Eumorphoceras milleri ammonoid zone, Fayetteville Formation, Pendleian (330.9 - 327.0 Ma)
• Fayetteville Shale, basal 5 feet.
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified shale
Size class: macrofossils
Collected by M. Gordon, R.A. Lewandowski in 1953; 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 157683: authorized by Matthew Clapham, entered by Matthew Clapham on 30.06.2014
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Mitorthoceras crebriliratum Girty 1909 | |
Paracravenoceras ozarkense Gordon 1960 ammonite | |
Muensteroceras pisiforme Gordon 1964 ammonite | |
"Paradimorphoceras (Glyphiolobus) sp." = Glyphiolobus
"Paradimorphoceras (Glyphiolobus) sp." = Glyphiolobus Gordon 1964 ammonite | |
Eumorphoceras milleri Gordon 1964 ammonite |