Triphoridae – Triphorinae: Isotriphora tasmanica (Tenison-Woods, 1876) (‘Tasmanian sinistral-creeper’)
Synonym(s): tasmanica Tenison-Woods, 1876 echina Laseron, 1954.
Typical shell-length 11 mm. Lives subtidally and offshore amongst sponges. Native. Endemic to southeastern Australia (NSW, TAS, VIC and SA).
Classification
Class: Gastropoda
Subclass: Caenogastropoda – Sorbeoconcha
Order: Hypsogastropoda – Littorinimorpha
Superfamily: Triphoroidea
Family: Triphoridae
Subfamily: Triphorinae
Genus: Isotriphora
Localities for Isotriphora tasmanica
Blackmans Bay
Cape Pillar
Eaglehawk Neck: eastern side
Flinders Island: E coast (unlocalised)
Georges Bay: Blanche Point
King Island: Colliers Beach
King Island (unlocalised)
Maria Island: Trigonia Corner
Marion Bay: Bream Creek foreshore
Pirates Bay: middle rocks
Pirates Bay: near landing
Pirates Bay (unlocalised)
Port Davey: Whalers Cove
Robbins Island: Marys Island area
Seymour Beach: northern end
South Bruny Island: Adventure Bay: Grass Point
Taroona: Dixons Beach
Tasmania (unlocalised)
