Nassariidae – Nassariinae: Nassarius (Hima) mobilis (Hedley & May, 1908) (‘mobile dog-whelk’)
Synonym(s): mobilis Hedley & May, 1908 costata Hedley & May, 1908 verconis Cotton & Godfrey, 1931 plankta Iredale, 1936 compacta Gabriel, 1962.
Typical shell-length 8.0 mm. Lives subtidally and offshore on sand and mud. Native. Endemic to southeastern Australia (NSW, TAS, VIC and SA). In Tasmanian waters, this species if found primarily in offshore waters, with the few records of beached shells coming from the E coast.
Subclass: Caenogastropoda – Sorbeoconcha
Order: Hypsogastropoda – Neogastropoda