![banner3 Molluscs of Tasmania](https://molluscsoftasmania.org.au/wp-content/uploads/2017/07/banner3.jpg)
Mytilidae: Rhomboidella radians (Suter, 1908) (‘radiant mussel’)
Synonym(s): radians Suter, 1908 rhyllensis Gatliff & Gabriel, 1912 concava Cotton, 1931.
Typical shell-length 3 mm. Shell dark purplish-brown and coarsely radially ribbed, but surface often radiant to pale purplish-brown, especially towards centre. Lives subtidally and offshore. Native. Endemic to southeastern and southwestern Australia (TAS, VIC, SA and WA).
Classification
Class: Bivalvia
Subclass: Pteriomorphia
Order: Mytiloida
Superfamily: Mytiloidea
Family: Mytilidae
Genus: Rhomboidella
![species image](https://molluscsoftasmania.org.au/wp-content/uploads/2017/07/no_image.jpg)
![locality map](https://molluscsoftasmania.org.au/wp-content/uploads/2017/09/Rhomboidella-radians.jpg)
no coastal locality records for this species currently available