Ungulinidae: Zemysina sphaericula (Deshayes, 1855) (‘spherical globe-shell’)
Synonym(s): sphaericula Deshayes, 1855 globulosa Adams, 1856.
Typical shell-length 25 mm. Lives in offshore waters. Native. Endemic to eastern Australia (QLD, NSW and TAS).
Classification
Class: Bivalvia
Subclass: Heterodonta
Order: Veneroida
Superfamily: Ungulinoidea
Family: Ungulinidae
Genus: Zemysina