Anomiidae – Placunanomiinae: Monia zelandica (Gray, 1843) (‘New Zealand saddle-oyster’)

Synonym(s): zelandica Gray, 1843 ione Gray, 1850 stowei Hutton, 1873 furcata Suter, 1907.
Typical shell-length 50 mm. Upper valve shown; lower valve bears a large hole. Lives subtidally and offshore attached to shell debris and to living shells by a shelly plug that occupies a hole in the left valve. Native. Endemic to southeastern and southwestern Australia (NSW, TAS, VIC, SA and WA). In Tasmanian waters, this species is known from few, scattered localities; seldom beached.