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| Triviidae | ||||||||||||||||||||
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 Beachworn shells of Trivia merces, with sand grains stuck in the aperture
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Ellatrivia Iredale, 1931 |
Triviidae is a taxonomic family of small sea snails, marine gastropod molluscs in the infraorder Littorinimorpha, within the order Sorbeoconcha.
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Distribution
Species in this family are found in most temperate and tropical seas.
Shell description
Shells of this family are mostly small, oval or rounded, of cowry-shape, with the outer lip incurved to form a narrow denticulate aperture. The sculpture is of transverse ribs that may be interrupted by a dorsal groove.
Taxonomy
The following subfamilies have been recognized in the taxonomy of Bouchet & Rocroi of 2005
- Eratoinae Gill, 1871
- tribe Eratoini Gill, 1871
- † tribe Johnstrupiini Schilder, 1939
- † tribe Eratotriviini Schilder, 1936
- Triviinae Troschel, 1863
Genera within the family Triviidae
- Decoriatrivia Cate, 1979
- Erato Risso, 1826
- Hespererato Schilder, 1932
- Niveria Jousseaume, 1884
- Proterato Schilder, 1927
- Pusula Jousseaume, 1884
- Trivia Broderip, 1837
References
- Triviidae (TSN 73170). Integrated Taxonomic Information System.
- Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1
- Glen Pownall, New Zealand Shells and Shellfish, Seven Seas Publishing Pty Ltd, Wellington, New Zealand 1979 ISBN 85467-054-8
