Cephalopoda - Orthocerida - Proteoceratidae
Alternative combination: Orthoceras sociale
Belongs to Isorthoceras according to B. Kröger and M. Aubrechtová 2019
See also Kröger 2013, Kröger and Aubrechtova 2017 and Niko 2007
Sister taxa: Isorthoceras albersi, Isorthoceras angelini, Isorthoceras cavi, Isorthoceras curvilineatum, Isorthoceras dalecarlense, Isorthoceras elongatocinctum, Isorthoceras heintzi, Isorthoceras heroyense, Isorthoceras hudsonicum, Isorthoceras junceum, Isorthoceras maris, Isorthoceras nikwis, Isorthoceras padisense, Isorthoceras rogersensis, Isorthoceras strigatum, Isorthoceras suave, Isorthoceras subcostatum, Isorthoceras sylphide, Isorthoceras urdr, Isorthoceras vexilli, Isorthoceras wahlenbergi
Ecology: nektonic carnivore
Distribution:
• Ordovician of United States (7: Illinois, Iowa, Wisconsin, Iowa, Michigan, Minnesota, Missouri collections)
Total: 7 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.