Gabbia napierensis has a narrow thickened callus behind the inner lip that covers the umbilical chink, a feature not seen in any other Australian bithyniid.
Gabbia napierensis Ponder, 2003
Class Gastropoda
Infraclass Caenogastropoda
Order Littorinida
Suborder Rissoidina
Superfamily Truncatelloidea
Family Bithyniidae
Original name: Gabbia napierensis Ponder, 2003. In Ponder, W.F. (2003) Monograph of the Australian Bithyniidae (Caenogastropoda: Rissooidea). Zootaxa 230: 1-126.
Type locality: Barnet Cave, northwest end of Napier Range, southwest facing side of Range, Kimberley, Western Australia.
This species occurs mainly in pools in creek beds, and occasionally in water flowing from caves.
Kimberley, northern Western Australia.
Ponder, W. F. (2003). Monograph of the Australian Bithyniidae (Caenogastropoda: Rissooidea). Zootaxa 230: 1-126.
