Tergomya - Archinacellida - Archinacellidae
Full reference: E. O. Ulrich and W. H. Scofield. 1897. The Lower Silurian Gastropoda of Minnesota. The Paleontology of Minnesota 39(2):813-1081
Belongs to Archinacella according to J. S. Peel and R. J. Horný 1999
See also Knight 1941, Peel 1990, Reed 1906 and Ulrich and Scofield 1897
Sister taxa: Archinacella alta, Archinacella approximans, Archinacella arca, Archinacella beloitensis, Archinacella cingulata, Archinacella clochensis, Archinacella davisi, Archinacella deformata, Archinacella deleta, Archinacella depressa, Archinacella elevata, Archinacella estella, Archinacella explanata, Archinacella indianensis, Archinacella instabilis, Archinacella kagawongensis, Archinacella laevis, Archinacella magna, Archinacella melissa, Archinacella norwegica, Archinacella parva, Archinacella patelliformis, Archinacella perovalis, Archinacella pileolum, Archinacella prendergasti, Archinacella proprius, Archinacella pulaskiensis, Archinacella rostrata, Archinacella rotunda, Archinacella rugatina, Archinacella semicarinata, Archinacella simplex, Archinacella simulatrix, Archinacella stoermeri, Archinacella subcarinata, Archinacella subglobosa, Archinacella subrotunda, Archinacella trentonensis, Archinacella valida, Archinacella wanwanensis
Type specimen: UW o/20359, a shell. Its type locality is Vanuxemia beds, Beloit, which is in a Blackriveran carbonate limestone in the McGregor Formation of Wisconsin.
Ecology: epifaunal grazer
Distribution:
• Ordovician of United States (3: Minnesota, Wisconsin collections)
Total: 3 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.