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Molluscs of Tasmania

Turritellidae – Turritellinae: Colpospira (Ctenocolpus) australis (Lamarck, 1822) (‘southern screw-shell’)

Synonym(s): australis Lamarck, 1822 granulifera Tenison-Woods, 1876 terebellata Tate, 1893 diffidens Iredale, 1925.

Typical shell-length 20 mm. Lives subtidally and offshore on sand, especially in exposed environments. Native. Endemic to southeastern Australia (NSW, TAS, VIC and SA). In Tasmanian waters, this is a widespread species but only common as a beached shell in a few locations, particularly on the E coast.


Class: Gastropoda
Subclass: Caenogastropoda – Sorbeoconcha
Order: Cerithiimorpha – Cerithiimorpha
Superfamily: Cerithioidea
Family: Turritellidae
Subfamily: Turritellinae
Genus: Colpospira

Localities for Colpospira australis

Bangor: Lagoon Bay
Bangor: Two Mile Beach
Beaumaris: Shelly Point
Bicheno: Courland Bay
Bicheno: Diamond Island
Bicheno: Redbill Beach
Blackmans Bay
Black River Beach: southern end
Boltons Beach
Bruny Island (unlocalised)
Carlton Beach: Spectacle Island
Carlton: Park Beach
Chain of Lagoons: Four Mile Creek: beach
Chain of Lagoons: Piccaninny Point
Clayton: foreshore
Clifton Beach: eastern end
Clifton Beach (unlocalised)
Clifton Beach: western end
Cremorne: foreshore
Denison Beach: Porch Rocks
Denison Beach (unlocalised)
Dianas Beach (unlocalised)
Eaglehawk Neck: eastern side
Falmouth: foreshore
Falmouth: Mariposa Beach
Flinders Island: E coast (unlocalised)
Flinders Island: Foochow Beach
Flinders Island: Northeast River: mouth
Flinders Island: Palana Beach
Flinders Island: Patriarch Beach
Flinders Island: Patriarch Inlet
Freycinet Peninsula (unlocalised)
Freycinet Peninsula: Wineglass Bay
Friendly Beaches
Georges Bay: St Helens (unlocalised)
Great Musselroe Bay
King Island: Colliers Beach
King Island: Lavinia Beach: beach nr Lake Martha Lavinia
King Island: Naracoopa: foreshore
King Island (unlocalised)
Kingston Beach
Lauderdale: Seven Mile Beach
Little Musselroe Bay: Tree Point area
Little Swanport: Saltworks Beach
Maria Island: Chinamans Bay
Maria Island: Darlington Bay
Maria Island: Gulls Nest Point
Maria Island: Trigonia Corner
Marion Bay: Bream Creek foreshore
Marion Bay: northern beaches
Mayfield Beach to Mayfield Point
Mayfield Point to Little Christmas Island
Mercury Passage: ACMA Asterias survey Stn 04
Narawntapu: Bakers Beach
Narawntapu: Bakers Point & Springlawn Beach
Narawntapu: Griffiths Point
North Bruny Island: Bull Bay
North Bruny Island: Miles Beach
Nubeena: Roaring Beach
Orford (unlocalised)
Pirates Bay: near landing
Pirates Bay (unlocalised)
Port Arthur: Denmans Cove
Port Arthur: Safety Cove
Port Arthur (unlocalised)
Rheban Beach
Rocky Cape: foreshore N of Picnic Beach
Rocky Cape: Forwards Beach
Rocky Cape: Picnic Beach & rocks to S
Seymour Beach: northern end
Shearwater: Freers Beach
Smithton: Duck River mouth
South Bruny Island: Cloudy Beaches: eastern beach
South coast of Tasmania (unlocalised)
South East coast of Tasmania (unlocalised)
Southport: Big Lagoon Beach
Southport: Roaring Beach
Stanley: Anthony Beach
Stanley: East Inlet
Stanley: Halfmoon Bay
Swansea: Kelvedon Beach
Swansea: Kennedia Beach
Swansea: Spiky Beach
Swansea (unlocalised)
Taroona Beach
Taroona: Dixons Beach
Tasmania (unlocalised)
The Gardens: Cosy Corner
The Gardens: Swimcart Beach
Tinderbox Beach
Wynyard: Fossil Bluff

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