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Molluscs of Tasmania

Epitoniidae: Opalia (Opalia) australis (Lamarck, 1822) (‘southern wentletrap’)

Synonym(s): australis Lamarck, 1822.
Typical shell-length 30 mm. Lives intertidally and subtidally amongst sea-anemones, especially n moderately exposed environments. Native. Endemic to southeastern and southwestern Australia (QLD, NSW, TAS, VIC, SA and WA). In Tasmanian waters, this is a widespread species; common in the N, where the shells tend to be larger; rarer to the S.

Classification

Class: Gastropoda
Subclass: Caenogastropoda – Sorbeoconcha
Order: Hypsogastropoda – Littorinimorpha
Superfamily: Epitonioidea
Family: Epitoniidae
Genus: Opalia

A-L Localities for Opalia australis

Arthur River: Couta Rocks
Arthur River: Nelson Bay
Arthur River: Sarah Anne Rocks
Bangor: Lagoon Bay
Bangor: Two Mile Beach
Bay of Fires: Break Yoke Beach to Pebbly Beach
Beaumaris: Shelly Point
Bellingham
Bicheno
Bicheno: Cod Rock
Bicheno: Courland Bay
Bicheno: Diamond Island
Bicheno: Redbill Beach
Bicheno: Rice Beach
Bicheno: Waubs Beach
Binalong Bay: gulches
Blackmans Bay
Black River Beach: northern end
Black River Beach: southern end
Boat Harbour: beach
Boat Harbour: Western Bay
Bridport: beach
Bridport: East Sandy Point
Bridport: Lades Beach
Bridport (unlocalised)
Bruny Island (unlocalised)
Burnie: Blythe Heads & estuary
Burnie: Sulphur Creek
Burnie: Titan Point
Calverts Beach & Goats Bluff
Cape Barren Island: Tinkers Gut
Cape Portland: Home Beach
Cape Portland: Petal Point
Carlton Beach: Spectacle Island
Carlton: Park Beach
Chain of Lagoons: Four Mile Creek: beach
Chain of Lagoons: Piccaninny Point
Clarke Island: Dip Point to Black Rocks
Clayton: foreshore
Clifton Beach: western end
Coles Bay: Bluestone Bay
Coles Bay: foreshore
Coles Bay: Honeymoon Bay
Coles Bay: Muirs Beach
Cooee Beach
Croppies Beach: northern end
Denison Beach: Porch Rocks
Denison Beach (unlocalised)
Devonport: Back Beach
Devonport: Bluff Beach
Devonport: Coles Beach
Devonport: Don Heads
Devonport: Mersey River
Devonport: Paradise Cove (unlocalised)
Douglas River: beach
Dover: Roaring Bay Beach
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
Eddystone Point (unlocalised)
Falmouth: foreshore
Falmouth: Mariposa Beach
Flinders Island: Killiecrankie: foreshore
Flinders Island: Leeka: foreshore towards Twelve Hour Point
Flinders Island: Northeast River: mouth
Flinders Island: Palana Beach
Flinders Island: Patriarch Beach
Flinders Island: Port Davies & Cave Beach
Flinders Island: Tanners Bay: Pine Scrub
Flinders Island: The Dock
Fortescue Bay
Frederick Henry Bay: Sloping Island
Freycinet Peninsula (unlocalised)
Freycinet Peninsula: Wineglass Bay
Friendly Beaches
Georges Bay: Burns Bay
Georges Bay: St Helens (unlocalised)
Goat Island: foreshore of island and nearby mainland
Granville Harbour
Greens Beach: main beach
Greens Beach: Nudists Beach
Hawley Beach: foreshore towards Point Sorell
King Island: British Admiral Beach
King Island: Cape Wickham: foreshore to E
King Island: Fitzmaurice Bay
King Island: Grassy Harbour
King Island: Halfmoon Bay
King Island: Little Porky Beach
King Island: Naracoopa: foreshore
King Island: Pass River Bay
King Island: Red Hut Point
King Island: S coast (unlocalised)
King Island: Seal Bay: Black Point
King Island: Seal Point
King Island (unlocalised)
King Island: W coast
King Island: Yellow Rock Beach
Lagoon River: mouth
Lauderdale: Seven Mile Beach
Leith: foreshore
Leith: Lillico Beach
Lime Bay: Green Head
Little Musselroe Bay: Tree Point area
Little Peggs Beach
Little Swanport: Saltworks Beach
Low Head: East Beach
Low Head (unlocalised)
Lulworth: Tam O”Shanter Bay

species image
species image
M-Z Localities for Opalia australis

Maria Island: Darlington Bay
Maria Island: Hopground Beach
Maria Island: Howells Point & Painted Cliffs
Maria Island: Return Point
Maria Island: Trigonia Corner
Marion Bay: northern beaches
Marrawah: Green Point Beach
Marrawah (unlocalised)
Marrawah: West Point
Mayfield Beach to Mayfield Point
Mayfield Point to Little Christmas Island
Musselroe: Cape Naturaliste
Narawntapu: Bakers Beach
Narawntapu: Bakers Point & Springlawn Beach
Narawntapu: Copper Cove
Narawntapu: Griffiths Point
Narawntapu: Little Badger Head
Narawntapu: West Head
New Harbour
North Bruny Island: Cape Queen Elizabeth
North Bruny Island: Dennes Point
Northdown Beach
Nubeena: Roaring Beach
Nubeena: White Beach
Orford: East Shelly Beach
Orford: Emerald Beach
Orford: Spring Beach
Peggs Beach: western end
Penguin: Johnsons Beach
Penguin: Lonah & Lodders Point
Penguin Point
Pipers Head
Pirates Bay: Fossil Island
Pirates Bay (unlocalised)
Planters Beach to Fishers Point
Port Arthur: Crescent Bay
Port Arthur: Denmans Cove
Port Arthur: Safety Cove
Port Davey: Schooner Cove
Port Latta: Brickmakers Beach
Port Latta: Cowrie Point
Port Sorell: beach
Port Sorell (unlocalised)
Primrose Sands
Randalls Bay
Rocky Cape: Burgess Cove
Rocky Cape: Castle Rock Bay
Rocky Cape: foreshore N of Picnic Beach
Rocky Cape: Picnic Beach & rocks to S
Rocky Cape (unlocalised)
Schouten Island: Crocketts Bay
Seymour Beach: northern end
Shearwater: Freers Beach
Sisters Beach
Somerset: foreshore
South Arm: Fort Beach
South Bruny Island: Adventure Bay: Cemetery Bluff
South Bruny Island: Adventure Bay: East Cove
South Bruny Island: Adventure Bay: Grass Point
South Bruny Island: Cloudy Beaches: eastern beach
South Cape Bay: Lion Rock: beach to SE
South Cape Rivulet: mouth
South East coast of Tasmania (unlocalised)
Stanley: Cow Rock beach
Stanley: foreshore
Stanley: Godfreys Beach
Stanley: Halfmoon Bay
Stanley (unlocalised)
Swansea: Jubilee Beach
Swansea: Kelvedon Beach
Swansea: Kelvedon Beach: Shelly Point
Swansea: Lisdillon Beach
Swansea: Spiky Beach
Tamar River: Kelso: foreshore
Taroona Beach
Taroona: Dixons Beach
Taroona: Hinsby Beach
Tasmania (unlocalised)
The Gardens: beach
The Gardens: Coffeys Gulch
The Gardens: Cosy Corner
The Gardens: Mateys Gulch to Gardens Lagoon
The Gardens: Seatons Cove
The Gardens: Swimcart Beach
Three Hummock Island: Mermaid Bay
Three Hummock Island: Ranger Retreat
Three Hummock Island: Rape Bay
Three Hummock Island: Three Gullies Bay
Three Hummock Island: Three Gullies Bay area
Tinderbox Beach
Trial Harbour
Trial Harbour area
Turners Beach
Ulverstone (unlocalised)
Waterhouse Point
West Ulverstone: foreshore
Woolnorth: Valley Bay
Wynyard: Fossil Bluff

locality map