This species is most similar to G. affinis from Queensland, but much larger.
Gabbia microcosta Ponder, 2003
Class Gastropoda
Infraclass Caenogastropoda
Order Littorinida
Suborder Rissoidina
Superfamily Truncatelloidea
Family Bithyniidae
Original name: Gabbia microcosta Ponder, 2003. In Ponder, W.F. (2003) Monograph of the Australian Bithyniidae (Caenogastropoda: Rissooidea). Zootaxa 230: 1-126.
Type locality: 1.5 km north of Bridge Creek, along Stuart Highway, about 32 km souheast of Adelaide River township, Northern Territory.
Gabbia microcosta occurs in seasonal swamps and pools.
This species appears to have a restricted distribution, known only from a small area south of Adelaide River township.
Ponder, W. F. (2003). Monograph of the Australian Bithyniidae (Caenogastropoda: Rissooidea). Zootaxa 230: 1-126.
