†Cyclospira bisulcata Emmons 1842
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Rhynchonellata - Atrypida - Cyclospiridae
Alternative combination: Orthis bisulcata
Belongs to Cyclospira according to J. Jin and B. D. E. Chatterton 1997
See also Mitchell 1977
Sister taxa: Cyclospira elegantula, Cyclospira levisulcata, Cyclospira nana, Cyclospira orbus, Cyclospira perplexa, Cyclospira scanica
Distribution:
• Ordovician of Canada (3: Ontario, Quebec collections), United States (8: Illinois, Iowa, Minnesota)
Total: 11 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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