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Molluscs of Tasmania

Naticidae – Sininae: Eunaticina umbilicata (Quoy & Gaimard, 1832) (‘umbilicated sand-snail’)

Synonym(s): umbilicata Quoy & Gaimard, 1833 pictum Reeve, 1846 globosa Tenison-Woods, 1876 minusculum Iredale, 1924 mimicum Iredale, 1924.

Typical shell-length 20 mm. Lives subtidally in sand and mud, in at least moderately sheltered 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 largest shells are found, but rare to the S.


Class: Gastropoda
Subclass: Caenogastropoda – Sorbeoconcha
Order: Hypsogastropoda – Littorinimorpha
Superfamily: Naticoidea
Family: Naticidae
Subfamily: Sininae
Genus: Eunaticina

A-L Localities for Eunaticina umbilicata

Ansons Bay
Arthur River: Nelson Bay
Bangor: Lagoon Bay
Bangor: Two Mile Beach
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
Cape Barren Island: Thunder & Lightning Bay
Cape Portland: Petal Point
Cape Portland (unlocalised)
Carlton: Park Beach
Clarke Island: Dip Point to Black Rocks
Clayton: foreshore
Clifton Beach (unlocalised)
Coles Bay: Richardsons Beach
Coningham: foreshore
Cox Bight (unlocalised)
Croppies Beach: northern end
D’Entrecasteaux Channel (unlocalised)
Derwent channel
Devonport: Bluff Beach
Devonport: Don Heads
Dianas Beach (unlocalised)
Eaglehawk Neck: eastern side
East Devonport: beach & breakwater
East Devonport: Moorland Beach
East Devonport: Pardoe Beach
East Devonport: Pardoe Point
East Ulverstone: Buttons Beach
Falmouth: Mariposa Beach
Flinders Island: Fotheringate Bay
Flinders Island: Fotheringate Beach: southern end
Flinders Island: Killiecrankie: foreshore
Flinders Island: Lillies Bay
Flinders Island: Northeast River: mouth
Flinders Island: Parrys Bay: Double Corner
Flinders Island: Patriarch Beach
Flinders Island: Patriarch Inlet
Flinders Island: Port Davies & Cave Beach
Flinders Island: Tanners Bay: Pine Scrub
Flinders Island: The Dock
Flinders Island: Trousers Point
Flinders Island: Trousers Point: beach
Flinders Island (unlocalised)
Fortescue Bay
Freycinet Peninsula (unlocalised)
Georges Bay: Blanche Point
Georges Bay (unlocalised)
Goat Island: foreshore of island and nearby mainland
Greens Beach: main beach
Hawley Beach: foreshore towards Point Sorell
Herbies Landing
King Island: British Admiral Beach
King Island: Cape Wickham: foreshore to E
King Island: City of Melbourne Bay
King Island: Currie Harbour
King Island: Ettrick Beach
King Island: Fitzmaurice Bay
King Island: Halfmoon Bay
King Island: Lavinia Beach: beach nr Lake Martha Lavinia
King Island: Little Porky Beach
King Island: Naracoopa: foreshore
King Island: Pass River Bay
King Island: Seal Bay: Black Point
King Island: Surprise Bay
King Island (unlocalised)
King Island: W coast
King Island: Yellow Rock Beach
Kingston Beach
Lauderdale: Roches Beach
Lauderdale: Seven Mile Beach
Leith: Lillico Beach
Little Peggs Beach
Low Head (unlocalised)
Lulworth: Tam O”Shanter Bay

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M-Z Localities for Eunaticina umbilicata

Macquarie Harbour: Kelly Basin
Maria Island: Bloodstone Beach
Maria Island: Darlington Bay
Maria Island: Shoal Bay: McRaes Isthmus
Maria Island: Trigonia Corner
Marion Bay: Bream Creek foreshore
Marion Bay (unlocalised)
Marrawah: West Point
Mayfield Beach to Mayfield Point
Narawntapu: Badger Beach
Narawntapu: Bakers Point & Springlawn Beach
Narawntapu: Copper Cove
Nine Mile Beach & Dolphin Sands
North Bruny Island: Miles Beach
North coast of Tasmania (unlocalised)
Nubeena: White Beach
Orford: Millingtons Beach
Orford: Spring Beach
Peggs Beach: eastern end
Peggs Beach (unlocalised)
Peggs Beach: western end
Penguin to Ulverstone: foreshore
Pipers Head
Pirates Bay (unlocalised)
Planters Beach to Fishers Point
Port Arthur: Denmans Cove
Port Arthur: Safety Cove
Port Arthur: Stewarts Bay
Port Latta: Brickmakers Beach
Port Latta: Cowrie Point
Port Sorell (unlocalised)
Rheban Beach
Robbins Island: Marys Island area
Rocky Cape: Burgess Cove
Rocky Cape: Castle Rock Bay
Rocky Cape: foreshore N of Picnic Beach
Rocky Cape: Forwards Beach
Rocky Cape: Mary Anne Cove area
Rocky Cape: Picnic Beach & rocks to S
Rocky Cape (unlocalised)
Schouten Island: Crocketts Bay
Seymour Beach: northern end
Shearwater: Freers Beach
Somerset: foreshore
South Arm: Hope Beach: southern end
South Bruny Island: Adventure Bay: Cemetery Bluff
South Bruny Island: Alonnah Beach
South Bruny Island: Butlers Beach
South Bruny Island: Cloudy Beaches: eastern beach
South Bruny Island: Cloudy Beaches: western beach
South Cape Rivulet: mouth
South coast of Tasmania (unlocalised)
South Croppies Point
Stanley: Anthony Beach
Stanley: Circular Head
Stanley: Cow Rock beach
Stanley: foreshore
Stanley: Godfreys Beach
Stanley: Halfmoon Bay
Stanley: Tatlows Beach
Swansea: Jubilee Beach
Swansea: Kelvedon Beach
Tamar River: heads
Taroona Beach
Taroona: Dixons Beach
Tasmania (unlocalised)
The Gardens: Coffeys Gulch
The Gardens: Swimcart Beach
Three Hummock Island: Rape Bay
Three Hummock Island: Three Gullies Bay
Three Hummock Island: Three Gullies Bay: northern end
Trial Harbour area
Turners Beach
Walker Island
West Ulverstone: foreshore
Woolnorth: Davisons Bay

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