Shells of South
East Queensland

Tweed Heads to Noosa
Triviidae

Trivirostra oryza

(Lamarck, 1810)
Shell globular, ends slightly drawn out, spire concealed. Whole surface strongly ribbed, with about 27 ribs on the outer lip. Deep groove on the dorsum, crossed by weakened or obsolete ribs. Fossula deep, crossed by ribs, extending as a groove along the length of the aperture. Colour white. Size: Up to 11 mm in length.

https://seashellsofnsw.org.au/Triviidae/Pages/trivia_oryza.htm


Specimens

Trivirostra oryza
Trivirostra oryza
Trivirostra oryza
Bribie Is,  Australia
Size: 0mm    Collected: 2003
found dead in sand on beach
Trivirostra oryza
Trivirostra oryza
Trivirostra oryza
Shelly Beach,  Australia
Size: 8mm    Collected: 1987
found at southern end of the beach, dead, in amongst coarse sand and fine shell grit
Trivirostra oryza
Trivirostra oryza
Trivirostra oryza
Mactan Island,  Philippines
Size: 5mm    Collected: 2017
collected by diver 20-30 m depth