Gastropoda - Murchisoniina - Lophospiridae
Alternative spellings: Cyclonema (Gyronema), Trochonema (Gyronema)
Full reference: E. O. Ulrich and W. H. Scofield. 1897. The Lower Silurian Gastropoda of Minnesota. The Paleontology of Minnesota 39(2):813-1081
Parent taxon: Gyronematinae according to P. J. Wagner 2023
See also Bassler 1932, Bouchet et al. 2005, Knight et al. 1960, Perner 1907, Sepkoski 2002 and Wagner 1999
Subtaxa: Gyronema altispiralis Gyronema pulchellum Gyronema rotalineum Gyronema semicarinatum
Type: Gyronema pulchellum
Ecology: epifaunal detritivore
Distribution:
• Carboniferous of China (1 collection)
• Silurian of Canada (1: Northwest Territories), China (1), the Czech Republic (1), Estonia (1)
• Ordovician of Canada (3: Nunavut, Quebec), Sweden (1), the United Kingdom (3), United States (32: Alaska, Illinois, Illinois, Iowa, Kentucky, Minnesota, Oklahoma, Wisconsin)
Total: 44 collections including 63 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.