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Molluscs of Tasmania

Mitridae – Isarinae: Isara glabra Swainson, 1821 (‘smooth mitre’)

Synonym(s): glabra Swainson, 1821 buccinata Quoy & Gaimard, 1833 bulimioides Reeve, 1844 exposita Iredale, 1936.

Typical shell-length 90 mm. When alive, the shell is covered in a flaky, black periostracum. Shell often bears concentric dark lines, but these are often worn off in beached specimens. Lives subtidally amongst rocks and seaweed. Native. Endemic to southeastern and southwestern Australia (NSW, TAS, VIC, SA and WA). In Tasmanian waters, this is a widespread species; most common in the N.


Class: Gastropoda
Subclass: Caenogastropoda – Sorbeoconcha
Order: Hypsogastropoda – Neogastropoda
Superfamily: Muricoidea
Family: Mitridae
Subfamily: Isarinae
Genus: Isara

A-L Localities for Mitra glabra

Blackmans Bay
Black River Beach: northern end
Black River Beach: southern end
Boat Harbour: beach
Boltons Beach
Bridport: East Sandy Point
Bridport (unlocalised)
Burnie: Blythe Heads & estuary
Burnie: Sulphur Creek
Burnie: Titan Point
Burnie (unlocalised)
Cape Portland: Home Beach
Cape Portland: Lemons Beach
Cape Portland: Petal Point
Carlton Beach: Spectacle Island
Carlton: Park Beach
Chain of Lagoons: Four Mile Creek: beach
Clayton: foreshore
Clifton Beach: western end
Cooee Beach
Davey River: Carvers Point
Denison Beach: Porch Rocks
Derwent Estuary: ACMA Asterias survey Stn 20
Devonport: Bluff Beach
Devonport: Coles Beach
Devonport: Don Heads
Devonport (unlocalised)
Eaglehawk Neck: eastern side
East Devonport: beach & breakwater
East Devonport: Moorland Beach
East Devonport: Moorland Point
East Devonport: Pardoe Beach
East Devonport: Pardoe Point
East Ulverstone
East Ulverstone: Buttons Beach
East Wynyard: beach
Flinders Island: Foochow Beach
Flinders Island: Northeast River: mouth
Flinders Island: Patriarch Beach
Flinders Island: Tanners Bay
Flinders Island: Trousers Point
Freycinet Peninsula (unlocalised)
Goat Island: foreshore of island and nearby mainland
Greens Beach: main beach
Hawley Beach: foreshore towards Point Sorell
Hellyer Beach
Hunter Island (unlocalised)
King Island: Cape Wickham: foreshore to E
King Island: City of Melbourne Bay
King Island: Naracoopa: foreshore
King Island: Seal Bay: Black Point
King Island: Seal Point
King Island (unlocalised)
Kingston Beach
Lauderdale: Roches Beach
Lauderdale: Seven Mile Beach
Leith: foreshore
Leith: Lillico Beach
Leven River: mouth
Little Peggs Beach
Low Head (unlocalised)
Lulworth: Tam O”Shanter Bay

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