![banner3 Molluscs of Tasmania](https://molluscsoftasmania.org.au/wp-content/uploads/2017/07/banner3.jpg)
Cystiscidae – Cystiscinae: Cystiscus bucca (Tomlin, 1916) (‘cheek margin-shell’)
Synonym(s): bucca Tomlin, 1916 ovulaeformis Tate & May, 1900 ventricosa Hedley, 1903.
Typical shell-length 1.5 mm. Lives in offshore waters under rocks and stones. Native. Endemic to southeastern Australia (TAS only).
Classification
Class: Gastropoda
Subclass: Caenogastropoda – Sorbeoconcha
Order: Hypsogastropoda – Neogastropoda
Superfamily: Muricoidea
Family: Cystiscidae
Subfamily: Cystiscinae
Genus: Cystiscus
Localities for Cystiscus bucca
![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/Cystiscus-bucca.jpg)