Gastropoda - Euomphalina - Helicotomidae
Full reference: J. W. Salter. 1859. Figures and descriptions of Canadian organic remains 1-47
Parent taxon: Helicotomidae according to P. Bouchet et al. 2005
See also Knight et al. 1960, Morris and Cleevely 1981, Sepkoski 2002, Ulrich and Scofield 1897 and Wagner 1999
Sister taxa: Amphelissa, Boucotspira, Boucotspira, Lophonema, Ophiletina, Palaeomphalus, Paraviviana, Yochelsoniella
Subtaxa: Helicotoma blodgetti Helicotoma brocki Helicotoma declivis Helicotoma gorgonea Helicotoma granosa Helicotoma griffinorum Helicotoma marginata Helicotoma miser Helicotoma missouriensis Helicotoma oriens Helicotoma planulata Helicotoma planulatoides Helicotoma proserpina Helicotoma robinsoni Helicotoma robusta Helicotoma subquadrata Helicotoma superba Helicotoma tennesseensis Helicotoma tritonia Helicotoma umbilicata Helicotoma verticalis Helicotoma whiteavesiana
Type: Helicotoma planulata
Ecology: stationary epifaunal suspension feeder
Distribution:
• Chazyan of Canada (3: Quebec collections)
• Whiterockian of United States (2: Virginia)
• Arenig of Greenland (4)
• Ordovician of Australia (4), Canada (19: Newfoundland and Labrador, Nunavut, Ontario, Quebec), China (2), the Czech Republic (1), Estonia (1), Greenland (2), Norway (1), South Korea (1), United States (54: Alaska, California, Colorado, Georgia, Illinois, Illinois, Iowa, Indiana, Kentucky, Michigan, Minnesota, Missouri, Nevada, Ohio, Tennessee, Virginia, Wisconsin)
Total: 94 collections including 106 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.