Nanocochlea exigua differs from other Nanocochlea with regards to its operculum, which bears a single large peg. Furthermore, this species lacks a ctenidium (gill).
Nanocochlea exigua Ponder, Clark, Eberhard & Studdert, 2005
Class Gastropoda
Infraclass Caenogastropoda
Order Littorinida
Suborder Rissoidina
Superfamily Truncatelloidea
Family Tateidae
Genus Nanocochlea Ponder & Clark, 1993
Original name: Nanocochlea exigua Ponder, Clark, Eberhard & Studdert, 2005. In Ponder, W. F., Clark, S. A., Eberhard, S and Studdert, J. B. (2005). A radiation of hydrobiid snails in the caves and streams at Precipitous Bluff, southwest Tasmania, Australia (Mollusca: Caenogastropoda: Rissooidea: Hydrobiidae s.l.). Zootaxa: 1074: 1-66.
Type locality: Cane Toad Abuse Streamway, Damper Cave, Precipitous Bluff, southern Tasmania.
This species is found mainly in small, low energy streams and seepages.
Damper Cave, Precipitous Bluff, southern Tasmania.
Ponder, W. F., Clark, S. A., Eberhard, S. & Studdert, J. B. (2005). A radiation of hydrobiid snails in the caves and streams at Precipitous Bluff, southwest Tasmania, Australia (Mollusca: Caenogastropoda: Rissooidea: Hydrobiidae s.l.). Zootaxa 1074: 1-66.
