![banner3 Molluscs of Tasmania](https://molluscsoftasmania.org.au/wp-content/uploads/2017/07/banner3.jpg)
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.
Classification
Class: Bivalvia
Subclass: Pteriomorphia
Order: Arcoida
Superfamily: Limopsoidea
Family: Philobryidae
Genus: Cosa
![species image](https://molluscsoftasmania.org.au/wp-content/uploads/2017/07/no_image.jpg)
![locality map](https://molluscsoftasmania.org.au/wp-content/uploads/2018/04/Cosa-pharetra.jpg)
no coastal locality records for this species currently available