Diloma nanum
Diloma nanum is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.[1][2]
| Diloma nanum | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Clade: | Vetigastropoda |
| Order: | Trochida |
| Superfamily: | Trochoidea |
| Family: | Trochidae |
| Genus: | Diloma |
| Species: | D. nanum |
| Binomial name | |
| Diloma nanum Gould, 1861 | |
Description
The small, solid, brown shell has an oval-round shape with a diameter of 5 mm. It contains four convex, very distinct whorls. The apex is simple. The light-colored base of the shell is rounded and hardly perforated. The umbilicus is rather large and plicate-crenulate. The arcuate columella is denticulate. The inner lip is undulate. The throat is livid.[3]
Distribution
This marine species occurs off the Ryukyu Islands
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References
- Bouchet, P. (2012). Diloma nanum Gould, 1861. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=546861 on 2012-11-23
- Donald K.M., Kennedy M. & Spencer H.G. (2005) The phylogeny and taxonomy of austral monodontine topshells (Mollusca: Gastropoda: Trochidae), inferred from DNA sequences. Molecular Phylogenetics and Evolution 37: 474-483.
- Tryon (1889), Manual of Conchology XI, Academy of Natural Sciences, Philadelphia
External links
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