Cranchiidae – Taoniinae: Mesonychoteuthis hamiltoni Robson, 1925 (‘colossal squid’)
Synonym(s): hamiltoni Robson, 1925.
Typical mantle-length 2000 mm. Lives in offshore waters in midwater. Native. Occurs in southeastern Australia (TAS only); also the Southern Ocean. In Tasmanian waters, this species has been recorded as beak(s) recovered from the guts of beached whale(s).
Superfamily: Oegopsida – unplaced