Tergomya - Archinacellida - Archinacellidae
Full reference: E. L. Yochelson. 1988. A new genus of Patellacea (Gastropoda) from the Middle Ordovician of Utah: the oldest known example of the superfamily. New Mexico Bureau of Mines and Mineral Resources Memoir 44:195-200
Parent taxon: Archinacellidae according to E. L. Yochelson 1988
See also Sepkoski 2002
Sister taxa: Archinacella, Archinacellopsis, Barrandicella, Barrandicellopsis, Guelphinacella, Marekicella
Subtaxa: Floripatella humilis Floripatella irregularis Floripatella orphyne Floripatella quebecensis Floripatella rousseaui
Ecology: epifaunal grazer
Distribution:
• Chazyan of United States (3: New York collections)
• Ordovician of Greenland (1), United States (7: Illinois, Iowa, Minnesota)
Total: 11 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.