Shells of South
East Queensland

Tweed Heads to Noosa

Opalia australis

(Lamarck, 1822)
Shell: moderately small, solid, turriform, ranging from 25-34 mm. Whorls Joined. Spire high to very high, about 64%-96% of shell height; suture impressed. Sculpture: smooth; 8-10 costae per whorl with each costa being low, rounded and aligned between whorls. Aperture ovate. Exterior colour white, chalky.


Coolum Beach, Queensland,  Australia
Size: 33.89mm    Collected: Unknown
On beach after storm. Dead collected.

Wild Cattle Island, Queensland,  Australia
Size: 25.42mm    Collected: 1986
found dead in sand at high tide line

Arrawarra, New South Wales,  Australia
Size: 32.8mm    Collected: Unknown
No data.

Wooli, New South Wales,  Australia
Size: 26.63mm    Collected: 1989
found dead on rocky reef

Killcarnup, Western Australia,  Australia
Size: 34.93mm    Collected: Unknown
buried in sand near anemones in 1-2m of water