Cystiscidae – Cystiscinae: Cystiscus halli (Pritchard & Gatliff, 1899) (‘Hall’s margin-shell’)
Synonym(s): halli Pritchard & Gatliff, 1899 inaequidens May, 1912 problematica Gatliff & Gabriel, 1916.
Typical shell-length 1.6 mm. Lives subtidally and offshore under rocks and stones. Native. Endemic to southeastern and southwestern Australia (NSW, TAS, VIC, SA and WA).
Classification
Class: Gastropoda
Subclass: Caenogastropoda – Sorbeoconcha
Order: Hypsogastropoda – Neogastropoda
Superfamily: Muricoidea
Family: Cystiscidae
Subfamily: Cystiscinae
Genus: Cystiscus
Localities for Cystiscus halli
