Shell: moderately small to medium, ovate to pyriform , ranging from 34-68 mm.
Spire concealed. Teeth: 18 to 27 columellar teeth; 20 to 28 labral teeth.
Sculpture: smooth, porcelaneous.
Aperture elongate, narrow.
Exterior colour tan crossed by three dark brown axial band; dorsum covered in diffuse white spots of varying size; base cream; margins darker, becoming dark brown with numerous striations towards the dorsum. Mantle line indistinct.
Specimens
Myora light, Australia Size: 53.66mm Collected: 1989 under large coral slabs in 1m of water 0.4m tide
forma: orcina (Iredale, 1931) This form from S QLD- New Zealand. Calloused; extremities blunt; dorsal window narrow. Myora light, Australia Size: 42.47mm Collected: 1998 Under rocks on intertidal reef at low tide.
Caloundra [Nth Headland], Australia Size: 57.67mm Collected: 1987 found under a rock on rocky reef at low tide. The area is in the wave crash zone at high tide level dead juvenile C. vitellus found
Curtain Artificial Reef, Australia Size: mm Collected: 2000 found dead in sand in 25m of water, on artificial reef
Myora Reef, Queensland, Australia Size: 50.01mm Collected: Unknown Collected from intertidal reef by hand [low tide]. Dead collected Collected by Robert Ellis 5/6/1995
Myora Reef, Queensland, Australia Size: 42.77mm Collected: Unknown Collected from intertidal reef by hand [low tide]. Dead collected Collected by Robert Ellis 5/6/1998
forma: orcina Iredale, 1931 Peel Island, Australia Size: 46.1mm Collected: Unknown No data.
Lamont Reef, Australia Size: 42.59mm Collected: 2019 Under rocks on weather edge of reef. At low tide.
Lamont Reef, Queensland, Australia Size: 4478mm Collected: 1996 No data. Dead collected Collected by Robert Ellis August 1996
Sykes Reef, Australia Size: 34.67mm Collected: 2019 Under coral rock on weather edge of reef at low tide.
Sykes Reef, Australia Size: 41.41mm Collected: 2019 On intertidal reef under dead coral slab. Common in the area
Mackerel Reef 21-466, Australia Size: 68.32mm Collected: 2011 On reef at 5-20m depth.
Dingo Beach, Australia Size: 58.89mm Collected: Unknown On reef at 5-20m depth.
Lamont Reef, Queensland, Australia Size: 42.91mm Collected: Unknown Collected from under coral slabs on intertidal coral reef by low at low tide. Dead collected Collected by Robert Ellis 26/8/2003
North West Cape, Australia Size: 28.9mm Collected: 1975 No data.
South Muiron Island, Australia Size: 47.9mm Collected: Unknown Collected from under rocks on coral reef at 1-3 m.
Mornington Island, Australia Size: 65.51mm Collected: 1991 Trawled at 38 m.
General Store, Solomon Islands Size: mm Collected: 2000 found dead in 5m of water on coral reef
Port Moresby, Papua New Guinea Size: 43.49mm Collected: 1983 No data.
forma: polynesiae F. A. Schilder & M. Schilder, 1939 Nadi, Fiji Size: 39.36mm Collected: Unknown Collected from under slabs on shallow reef by Hookah diver.
Secret Beach, Australia Size: 66.42mm Collected: Unknown Collected from Under rocks on coral and rock reef at 2-3 m by Snorkel. Dead collected
Investigator Shoals, Malaysia Size: 34.75mm Collected: Unknown Collected from amongst coral on coral slope at 8-45 m by scuba diver.
forma: dama Perry, 1811 Durban, South Africa Size: 41.03mm Collected: Unknown Collected from among rocks on wave swept reef by hand [low tide].
