Alternative combination: Cycloceras cylindratum
Belongs to Spyroceras according to A. E. Wilson 1961
See also Wilson 1946
Sister taxa: Spyroceras baffinense, Spyroceras bilineatum, Spyroceras boreale, Spyroceras chambliense, Spyroceras clathratoannulatum, Spyroceras crotalum, Spyroceras cyrtopatronus, Spyroceras damesi, Spyroceras ferum, Spyroceras fukuijense, Spyroceras giganteum, Spyroceras latepatronus, Spyroceras middlevillense, Spyroceras olorus, Spyroceras patronus, Spyroceras perlaeve, Spyroceras persculptum, Spyroceras textumarenaceum
Ecology: fast-moving nektonic carnivore
Distribution:
• Ordovician of Canada (1: Ontario collection), United States (4: Illinois, Iowa, Wisconsin, Minnesota)
Total: 5 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.