Gastropoda - Murchisoniina - Lophospiridae
Alternative combinations: Eotomaria prisca, Eunema prisca, Solenospira prisca
Synonyms: Ectomaria exigua Donald 1899, Ectomaria girvanensis Donald 1899
Full reference: E. Billings. 1859. Fossils of the Calciferous Sandrock, including those of a deposit of white limestone at Mingan, supposed to belong to the formation. The Canadian Naturalist and Geologist 4:345-367
Belongs to Ectomaria according to P. J. Wagner 2023
See also Billings 1859, Donald 1899, Rohr 1980, Sloan and Webers 1987, Ulrich and Scofield 1897, Wagner 1999 and Wilson 1951
Sister taxa: Ectomaria adelina, Ectomaria adventa, Ectomaria callahanensis, Ectomaria nieszkowskii, Ectomaria orientalis, Ectomaria pagoda, Solenospira multicostata
Ecology: epifaunal detritivore
Distribution:
• Ordovician of the Russian Federation (1 collection), the United Kingdom (1), United States (20: Alaska, California, Illinois, Illinois, Iowa, Minnesota, Tennessee)
Total: 22 collections including 28 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.