Tergomya - Archinacellida - Archinacellidae

Full reference: G.P. Wahlman. 1992. Middle and Upper Ordovician symmetrical univalved molluscs (Monoplacophora and Bellerophontina) of the Cincinnati Arch region. United States Geological Survey Professional Paper 1066(O):1-123

Belongs to Archinacella according to P. J. Wagner 2011

Sister taxa: Archinacella alta, Archinacella approximans, Archinacella arca, Archinacella cingulata, Archinacella clochensis, 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 powersi, Archinacella prendergasti, Archinacella proprius, Archinacella pulaskiensis, Archinacella richmondensis, 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

Ecology: epifaunal grazer