Stenolaemata - Trepostomata - Dittoporidae
Parent taxon: Dittoporidae according to V. I. Pushkin and L. E. Popov 1999
See also Bassler 1911, Bassler 1953 and Sepkoski 2002
Sister taxa: none
Subtaxa: Hemiphragma batheri Hemiphragma glabrum Hemiphragma irrasum Hemiphragma maculatum Hemiphragma panderi Hemiphragma priscum Hemiphragma pygmaeum Hemiphragma rotundatum Hemiphragma subsphericum Hemiphragma tenuimurale
Type: Batostoma irrasum
Ecology: stationary epifaunal suspension feeder
Distribution:
• Uhaku of Sweden (1 collection)
• Chazyan of United States (2: Virginia)
• Billingen of the Russian Federation (8)
• Ordovician of Canada (5: Ontario, Quebec), Estonia (9), France (2), Norway (1), the Russian Federation (4), Sweden (2), United States (31: Iowa, Kentucky, Minnesota, Minnesota, Iowa, Minnesota, Iowa, Wisconsin, Illinois, Ohio, Oklahoma, Tennessee, Virginia)
Total: 65 collections including 73 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.