Assimineidae – Assimineinae: Cryptassiminea tasmanica Tenison-Woods, 1876 (‘Tasmanian assiminea’)
Synonym(s): tasmanica Tenison-Woods, 1876 bicincta Petterd, 1889.
Typical shell-length 4.0 mm. Lives intertidally on mud, in sheltered environments. Native. Endemic to eastern Australia (QLD, NSW, TAS and VIC). In Tasmanian waters, this ia a locally common species.
Classification
Class: Gastropoda
Subclass: Caenogastropoda – Sorbeoconcha
Order: Hypsogastropoda – Littorinimorpha
Superfamily: Truncatelloidea
Family: Assimineidae
Subfamily: Assimineinae
Genus: Cryptassiminea
Localities for Cryptassiminea tasmanica
Eaglehawk Neck: western side
Flinders Island: Arthur Bay: Long Point
Flinders Island: Fotheringate Beach: southern end
Flinders Island: Parrys Bay: Double Corner
Flinders Island: Patriarch Inlet
Flinders Island: The Dock
Franklin: foreshore
Lauderdale: Roches Beach
Lime Bay
Little Coningham Beach
Low Head (unlocalised)
Narawntapu: Bakers Point & Springlawn Beach
North coast of Tasmania (unlocalised)
Nubeena: White Beach
Port Esperance: Hawkers Green
Sorell
Sorell: causeway
Sorell: Oaks Point
Tamar River: Rosevears: foreshore