Divarilima
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Divarilima is a genus of marine bivalve molluscs in the family Limidae, the file shells or file clams.[1]
Description
In the original description, Powell described the genus as below:
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It is a miniature Lima with a Ctenoides sculptural pattern of divaricating threads. It resembles the typical species except that a mature stage of arrested growth is reached at a small size, corresponding with the early post-larval stages in Lima typical.[2]
Members of the genus are small, trigonally ovate, strongly inequilateral, and have sharp. backward-pointing umbones. The anterodorsal outline almost straight, extended, coinciding with well-marked a umbonal ridge which borders a concave lunule.[3]
Taxonomy
The genus was first described by A. W. B. Powell in 1958, who named Lima sydneyensis as the type species of the genus.[2] The genus is in the family Limidae.[4]
Distribution
Divarilima is found in oceans across the globe, including waters near Japan, the western Atlantic, South Africa, Australia and New Zealand.[5]
Species
Species within the genus Divarilima include:[1]
- Divarilima abscisa (Barnard, 1964)
- Divarilima albicoma (Dall, 1886)
- † Divarilima aucklandensis (Laws, 1950)[6]
- Divarilima elegans Hayami & Kase, 1993
- Divarilima handini J. Gibson-Smith & W. Gibson-Smith, 1982
- Divarilima iwaotakii (T. Habe, 1961)
- Divarilima sydneyensis (Hedley, 1904)
References
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- ^ a b Divarilima A. W. B. Powell, 1958. Retrieved through: World Register of Marine Species on 2 October 2025.
- ^ a b Template:Cite Q
- ^ Page Module:Citation/CS1/styles.css has no content.Cox, L. R.; Hertlein, L. G. (1969). "Mollusca 6 (Bivalvia)". In Moore, R. C. (ed.). Treatise on invertebrate Paleontology. Boulder: Geological Society of America. p. 389. doi:10.17161/dt.v0i0.5590.
- ^ Page Module:Citation/CS1/styles.css has no content.Beu, A.G.; Maxwell, P.A. (1990). "New Zealand Cenozoic Mollusca" (PDF). New Zealand Geological Survey Paleontological Bulletin. 58: 396. ISSN 0114-2283.
- ^ Template:Cite Q
- ^ Divarilima aucklandensis (Laws, 1950) †. Retrieved through: World Register of Marine Species on 2 October 2025.
Further reading
- Page Module:Citation/CS1/styles.css has no content.Powell, A. W. B. (1979). New Zealand Mollusca. Auckland, New Zealand: William Collins Publishers Ltd. p. 381. ISBN 0-00-216906-1.
External links
- Divarilima albicoma (Dall, 1886) at SealifeBase
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