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Molluscs of Tasmania

Buccinidae – Siphonaliinae: Penion maximus (Tryon, 1881) (‘great whelk’)

Synonym(s): maximus Tryon, 1881.

Typical shell-length 200 mm. Similar to Australaria australasia, but grows larger and lacks columellar folds and dark periostracum. Lives subtidally and offshore on sand. Native. Endemic to eastern Australia (QLD, NSW, TAS and VIC). In Tasmanian waters, this is a widespread species, but seldom beached; most beached shells are juveniles.


Class: Gastropoda
Subclass: Caenogastropoda – Sorbeoconcha
Order: Hypsogastropoda – Neogastropoda
Superfamily: Buccinoidea
Family: Buccinidae
Subfamily: Siphonaliinae
Genus: Penion

Localities for Penion maximus

Bangor: Tasman Bay
Binalong Bay: gulches
Blackman Bay: Little Chinaman Bay
Blackmans Bay
Black River Beach: northern end
Bruny Island: Isthmus Bay
Clifton Beach: western end
Coles Bay: Richardsons Beach
Cremorne: foreshore
Denison Beach: Porch Rocks
D’Entrecasteaux Channel (unlocalised)
Derwent channel
Devonport: Bluff Beach
Devonport: Mersey River
Devonport (unlocalised)
Earlham: foreshore
East Devonport: Moorland Beach
East Devonport: Pardoe Point
Falmouth: Mariposa Beach
Flinders Island: Northeast River: mouth
Flinders Island: Patriarch Beach
Flinders Island (unlocalised)
Freycinet Peninsula: Bryans Beach
Freycinet Peninsula: Cooks Beach
Freycinet Peninsula: Hazards Beach
Freycinet Peninsula: The Hazards
Freycinet Peninsula (unlocalised)
Goat Island: foreshore of island and nearby mainland
Greens Beach: Nudists Beach
Hawley Beach
Hawley Beach: foreshore towards Point Sorell
King Island: Lavinia Beach: beach nr Lake Martha Lavinia
King Island: Naracoopa: foreshore
King Island: Sea Elephant Bay: Cowper Point
Kingston Beach
Lauderdale: Roches Beach
Lauderdale: Seven Mile Beach
Leith: Lillico Beach
Little Peggs Beach
Maria Island: Coxswain Creek: foreshore
Maria Island: Point Lesueur
Maria Island: Return Point
Maria Island: Shoal Bay: McRaes Isthmus
Maria Island: Trigonia Corner
Marion Bay: Bream Creek foreshore
Marion Bay: northern beaches
Marion Bay (unlocalised)
Mayfield Point to Little Christmas Island
Middleton: foreshore
Narawntapu: Bakers Beach
Narawntapu: Copper Cove
North Bruny Island: Dennes Point
Port Davey: Bond Bay
Port Latta: Cowrie Point
Rheban Beach
Schouten Island: Sandspit Point
Sloping Lagoon: Lagoon Beach
South Arm: Hope Beach: southern end
South Bruny Island: Butlers Beach
South Bruny Island: Great Taylors Bay
South Bruny Island: Old Jetty Beach
Southport Bluff: beach
Stanley: Anthony Beach
Stanley: foreshore
Stanley: Tatlows Beach
Stanley (unlocalised)
Swansea: Jubilee Beach
Swansea: Kelvedon Beach
Swansea: Kelvedon Beach: Shelly Point
Taroona: Alum Cliffs
Taroona Beach
Taroona: Dixons Beach
Tasmania (unlocalised)
Turners Beach
Woodbridge: Fleurtys Bay & Point

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