Cephalopoda - Goniatitida - Girtyoceratidae
Full reference: M. Gordon. 1964. Carboniferous Cephalopods of Arkansas. United States Geological Survey Professional Paper 460:1-322
Belongs to Eumorphoceras according to M. Gordon 1964
Sister taxa: Eumorphoceras angustum, Eumorphoceras bisati, Eumorphoceras bisulcatum, Eumorphoceras brevornatum, Eumorphoceras chungweiense, Eumorphoceras girtyi, Eumorphoceras goddardensis, Eumorphoceras hudsoni, Eumorphoceras involutum, Eumorphoceras medusa, Eumorphoceras ornatissimum, Eumorphoceras paucinodum, Eumorphoceras pseudobilingue, Eumorphoceras pseudocoronula, Eumorphoceras richardsoni, Eumorphoceras rostratum, Eumorphoceras rota, Eumorphoceras rotuliforme, Eumorphoceras stubblefieldi, Eumorphoceras tornquisti, Eumorphoceras transuralense, Eumorphoceras tumulosum
Type specimen: USNM 119637, a shell. Its type locality is USNM 3301, East (Sequoyah) Mountain, which is in a Pendleian marine shale in the Fayetteville Formation of Arkansas.
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell diameter 13.7
Distribution:
• Carboniferous of United States (24: Arkansas collections)
Total: 24 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.