Shells of South
East Queensland

Tweed Heads to Noosa
Cypraeidae

Erronea errones

(Linnaeus, 1758)
Shell: small to medium, solid, subpyriform, ranging from 15-51 mm. Spire flattened, sometimes visible. Teeth: 10 to 16 columellar teeth; 13 to 14 labral teeth. Sculpture: smooth, porcelaneous. Aperture wider towards the anterior. Exterior colour dorsum olive green with 3 blueish bands dusted with fine, diffuse brown freckles; a darker dorsum blotch is sometimes present; base and margins cream to yellow..


Specimens

forma: coxi  Brazier, 1872
 This form elongate oval to pyriform; well developed callous; columellar teeth short and distinct; callous whitish; dorsum pale blue to greenish; clear banding with distinct dorsal blotch.
 The Wrecks to Myora Light,  Australia
 Size: mm    Collected: 1989
found under slabs of coral with sand, mud and coral rubble bottom 0.4m tide
Alexandra Headland,  Australia
 Size: 25mm    Collected: 1996
Dead collected.
Keppel Island,  Australia
 Size: 34mm    Collected: Unknown
No data.
forma: coxi  Brazier, 1872
 This form elongate oval to pyriform; well developed callous; columellar teeth short and distinct; callous whitish; dorsum pale blue to greenish; clear banding with distinct dorsal blotch.
 Dingo Beach,  Australia
 Size: 27mm    Collected: 1996
Dead collected.
Hervey Bay,  Australia
 Size: 35.96mm    Collected: Unknown
Collected by hand [low tide] at low tide.

Sykes Reef,  Australia
 Size: 21mm    Collected: 2019
Dead in sand and rubble near large rocks on intertidal coral reef.
Stanage Bay,  Australia
 Size: 32.41mm    Collected: Unknown
Collected from under algae covered rocks and coral slabs on slightly silty rock and coral reef at 2-3 m by hand [low tide] at extreme low tide.

Great Keppel Island,  Australia
 Size: 30.89mm    Collected: Unknown
No data.
Exhibits slight melanism and rostration.
Minnie Waters, Sth Headland,  Australia
 Size: mm    Collected: 1989
found 10m from shore in the early morning on rocky reef under a rock

Wooli,  Australia
 Size: mm    Collected: 1989
found on rocky reef at low tide
Fannie Bay,  Australia
 Size: 24.46mm    Collected: Unknown
Collected from under dead coral slab on sandy mud at extreme low tide.
 Intermediate shell bewteen WA & QLD forms
forma: azurea  Schilder, 1968
 This form from the Broome area. Dorsum banded, blue with no darker pattern.
 Roebuck Bay,  Australia
 Size: 51.77mm    Collected: Unknown
Collected from under coral rocks at extreme low tide.
forma: coxi  Brazier, 1872
 This form elongate oval to pyriform; well developed callous; columellar teeth short and distinct; callous whitish; dorsum pale blue to greenish; clear banding with distinct dorsal blotch.
 Roebuck Bay,  Australia
 Size: 31.13mm    Collected: Unknown
Collected from under coral slab at low tide.
Uepi Is Lagoon,  Solomon Islands
 Size: mm    Collected: 2005
found dead in sand

Port Moresby,  Papua New Guinea
 Size: mm    Collected: 1983
No data.
Nadi,  Fiji
 Size: 17.18mm    Collected: Unknown
Collected from under dead coral at low tide.
Changi Coast,  Singapore
 Size: 28.68mm    Collected: Unknown
Collected live from under rocks on muddy sand at low tide.
Menjangen Island,  Indonesia
 Size: 15.9mm    Collected: Unknown
Collected from under dead coral slab on muddy sandy bottom.
forma: bimaculata  (Gray, 1824)
 This form from North Indian Ocean. Thickened teeth; dorsum greenish; base and margins yellow to tan, unspotted; coarse dorsum paler with less distinct banding.
 Kerala,  India
 Size: 25.43mm    Collected: 2001
Collected from rubble on hard reef at low tide.
forma: bimaculata  (Gray, 1824)
 N. Indian Ocean. Elongate oval. Base and margins calloused; posterior columellar teeth more produced and long; aperture narrower; base and margins yellow to orange; greenish dorsum, coarse dorsal pattern, lest distinct banding.
 Bazaruto,  Mozambique
 Size: 17.99mm    Collected: Unknown
No data.
Dwarf specimen
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