Philobryidae: Cosa pharetra Iredale, 1931 (‘pharetra micromussel’)
Synonym(s): pharetra Iredale, 1931.
Typical shell-length 2.5 mm. Lives in offshore waters. Native. Endemic to southeastern Australia (NSW and TAS). In Tasmanian waters, this species is currently known only from a single record offshore from the east coast.
no coastal locality records for this species currently available