Tergomya - Archinacellida

Full reference: J. B. Knight. 1956. New families of Gastropoda. Journal of the Washington Academy of Sciences 46(2):41-42

Parent taxon: Archinacelloidea according to P. Bouchet et al. 2005

Sister taxa: Archaeopragidae, Damilinidae, Metoptomatidae

Subtaxa: Archinacella, Archinacellopsis, Barrandicella, Barrandicellopsis, Floripatella, Guelphinacella, Marekicella

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Type: Archinacella

Ecology: epifaunal grazer