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Philobryidae: Cosa fimbriata (Tate, 1898) (‘basket micromussel’)
Synonym(s): fimbriata Tate, 1898.
Typical shell-length 4.5 mm. Lives subtidally and offshore in sand and mud. Native. Endemic to southeastern and southwestern Australia (TAS, VIC, SA and WA).
Classification
Class: Bivalvia
Subclass: Pteriomorphia
Order: Arcoida
Superfamily: Limopsoidea
Family: Philobryidae
Genus: Cosa
Localities for Cosa fimbriata
Marrawah (unlocalised)
Blackmans Bay
Burnie: Blythe Heads & estuary
Derwent Estuary (unlocalised)
De Witt Island
Huon Island
Ile du Golfe
King Island: Fitzmaurice Bay
Nubeena: Roaring Beach
Pirates Bay (unlocalised)
Port Arthur: Denmans Cove
Port Davey: Whalers Cove
South Bruny Island: Adventure Bay: East Cove
Tasmania (unlocalised)
Triabunna: Plain Place Beach
![species image](https://molluscsoftasmania.org.au/wp-content/uploads/2018/04/Cosa-fimbriata_a.jpg)
![species image](https://molluscsoftasmania.org.au/wp-content/uploads/2018/04/Cosa-fimbriata_b.jpg)
![locality map](https://molluscsoftasmania.org.au/wp-content/uploads/2018/04/Cosa-fimbriata.jpg)