†Tegula marylandicum Martin 1904 (top snail)
Gastropoda - Trochoidea - Trochidae
Alternative combination: Calliostoma marylandicum
Full reference: G. C. Martin. 1904. Gastropoda. Maryland Geological Survey Miocene(Text):131-269
Belongs to Tegula according to L. W. Ward 1998
Sister taxa: Tegula (Tegula), Tegula forbesi, Tegula jeanae, Tegula masiasi, Tegula melaleucos, Tegula pellisserpentis, Tegula tridentata, Tegula viridula
Ecology: epifaunal grazer