Austrosassia is a genus of sea snails, a marine gastropod mollusc in the family Cymatiidae.
The genus contains the following species:
- Species brought into synonymy
Austrosassia pahaoaensis Vella, 1954 †: synonym of Sassia pahaoaensis (Vella, 1954) †
Austrosassia parkinsoniana [sic]: synonym of Austrosassia parkinsonia (Perry, 1811) (misspelling)
Austrosassia procera Finlay, 1931 †: synonym of Sassia minima (Hutton, 1873) † (original combination)
Austrosassia pusulosa Marwick, 1965 †: synonym of Sassia pusulosa (Marwick, 1965) † (original combination)
Austrosassia zealta Laws, 1939 †: synonym of Sassia zealta (Laws, 1939) † (original combination)
- Finlay H.J. (1931). On Austrosassia, Austroharpa, and Austrolithes, new genera; with some remarks on the gastropod protoconch. Transactions of the New Zealand Institute. 62: 7-19.