Tergomya - Archinacellida - Archinacellidae
Alternative combination: Metoptoma estella
Full reference: E. Billings. 1865. Palaeozoic fossils, volume 1. Geological Survey of Canada 1-426
Belongs to Archinacella according to P. J. Wagner 2023
See also Billings 1865, Twenhofel 1928 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 explanata, Archinacella indianensis, Archinacella instabilis, Archinacella kagawongensis, Archinacella laevis, Archinacella magna, Archinacella melissa, Archinacella norwegica, Archinacella parva, Archinacella patelliformis, Archinacella perovalis, Archinacella pileolum, Archinacella powersi, 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
Ecology: epifaunal grazer
Distribution: found only at English Head Section, 69-79 feet from base of formation (Ordovician of Quebec)
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.