Pyramidellidae – Odostomiinae: Megastomia simplex (Angas, 1871) (‘simple pyramid-shell’)
Synonym(s): simplex Angas, 1871.
Typical shell-length 3.0 mm. Lives subtidally as an ectoparasite of other invertebrates. Native. Endemic to southeastern Australia (NSW and TAS).
Classification
Class: Gastropoda
Subclass: Heterobranchia
Order: Lower Heterobranchia
Superfamily: Pyramidelloidea
Family: Pyramidellidae
Subfamily: Odostomiinae
Genus: Megastomia
Localities for Megastomia simplex
Black River Beach: southern end
Cape Portland: Home Beach
Carlton: Park Beach
D’Entrecasteaux Channel (unlocalised)
Dunalley (unlocalised)
Flinders Island: Arthur Bay: Long Point
Flinders Island: Leeka: foreshore towards Twelve Hour Point
Flinders Island: The Dock
Hobart (unlocalised)
Maria Island: Encampment Cove
Marrawah: West Point
Penguin: Lonah & Lodders Point
Stanley: West Inlet
Taroona: Dixons Beach
