Gastropoda - Murchisoniina - Lophospiridae
Alternative combination: Cyclonema semicarinatum
Synonyms: Gyronema duplicata Ulrich and Scofield 1897, Gyronema duplicatum Ulrich and Scofield 1897
Full reference: J. W. Salter. 1859. Figures and descriptions of Canadian organic remains 1-47
Belongs to Gyronema according to P. J. Wagner 2023
See also Salter 1859, Thompson 1970, Ulrich and Scofield 1897 and Wilson 1951
Sister taxa: Gyronema altispiralis, Gyronema pulchellum, Gyronema rotalineum
Ecology: epifaunal detritivore
Distribution:
• Ordovician of Canada (2: Quebec collections), United States (18: Illinois, Illinois, Iowa, Minnesota, Wisconsin)
Total: 20 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.