![banner3 Molluscs of Tasmania](https://molluscsoftasmania.org.au/wp-content/uploads/2017/07/banner3.jpg)
Juliidae – Bertheliniinae: Berthelinia typica (Gatliff & Gabriel, 1911) (‘typical sea-slug’)
Synonym(s): typica Gatliff & Gabriel, 1911.
Typical body-length 5.0 mm. Lives intertidally amongst seaweed, specifically Caulerpa brownii, on which it feeds. Native. Endemic to southeastern Australia (TAS, VIC and SA).
Classification
Class: Gastropoda
Subclass: Heterobranchia
Order: Sacoglossa – Oxynoacea
Superfamily: Oxynooidea
Family: Juliidae
Subfamily: Bertheliniinae
Genus: Berthelinia
Localities for Berthelinia typica
![species image](https://molluscsoftasmania.org.au/wp-content/uploads/2018/04/Berthelinia-typica_a.jpg)
![species image](https://molluscsoftasmania.org.au/wp-content/uploads/2018/04/Berthelinia-typica_b.jpg)
![locality map](https://molluscsoftasmania.org.au/wp-content/uploads/2018/04/Berthelinia-typica.jpg)
![species image](https://molluscsoftasmania.org.au/wp-content/uploads/2018/04/Berthelinia-typica_c.jpg)