Rotaliotina discoidea , common name the discoid delphinula, is a species of small sea snail, a marine gastropod mollusk, in the family Liotiidae.[1]
| Rotaliotina discoidea | |
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| Drawing of a shell of Rotaliotina discoidea | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Vetigastropoda |
| Order: | Trochida |
| Superfamily: | Trochoidea |
| Family: | Liotiidae |
| Genus: | Rotaliotina |
| Species: | R. discoidea
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| Binomial name | |
| Rotaliotina discoidea (Reeve, 1843)
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| Synonyms | |
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Description
editThe size of the shell varies between 4 mm and 9 mm. The shell has a discoidal shape, with a flattened spire. The periphery shows two prominent ribs, connected by lattices which a subspinously project. The surface contains clathrate ridges, the interstices of which are finely striated.[2]
Distribution
editThis marine species occurs off the Philippines, Papua New Guinea and Australia (Queensland) and Norfolk Island and Lord Howe Island.
References
edit- ^ MolluscaBase eds. (2023). MolluscaBase. Rotaliotina discoidea (Reeve, 1843). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1633240 on 2023-01-30
- ^ G.W. Tryon (1888), Manual of Conchology X; Academy of Natural Sciences, Philadelphia
- Jenkins, B.W. 1984. Northern Australian Liotiidae. Australian Shell News 48: 8-9
- Huang, Shih-I. (2023). Nomenclatural notes on fossil liotiid taxa and description of Cyclostrema filipino n. sp. from the Philippines (Mollusca: Gastropoda, Liotiidae). Bulletin of Malacology, Taiwan. 46: 24-46.