Cephalopoda - Orthocerida - Proteoceratidae
Alternative combination: Geisonoceras heroyense
Belongs to Isorthoceras according to Strand 1934
Sister taxa: Isorthoceras albersi, Isorthoceras angelini, Isorthoceras cavi, Isorthoceras curvilineatum, Isorthoceras dalecarlense, Isorthoceras elongatocinctum, Isorthoceras heintzi, Isorthoceras hudsonicum, Isorthoceras junceum, Isorthoceras maris, Isorthoceras nikwis, Isorthoceras padisense, Isorthoceras rogersensis, Isorthoceras sociale, Isorthoceras strigatum, Isorthoceras suave, Isorthoceras subcostatum, Isorthoceras sylphide, Isorthoceras urdr, Isorthoceras vexilli, Isorthoceras wahlenbergi
Ecology: nektonic carnivore
Distribution:
• Ordovician of Norway (2 collections), Sweden (1)
Total: 3 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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