| Rotaliotina discoidea | |
|---|---|
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| Drawing of a shell of Rotaliotina discoidea | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Vetigastropoda |
| Order: | Trochida |
| Superfamily: | Trochoidea |
| Family: | Liotiidae |
| Genus: | Rotaliotina |
| Species: | R. discoidea |
| Binomial name | |
| Rotaliotina discoidea (Reeve, 1843) | |
| Synonyms | |
| |
Rotaliotina discoidea , common name the discoid delphinula, is a species of small sea snail, a marine gastropod mollusk, in the family Liotiidae. [1]
The 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]
This marine species occurs off the Philippines, Papua New Guinea and Australia (Queensland) and Norfolk Island and Lord Howe Island.
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Gingicithara cylindrica is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.
Pseudorhaphitoma pyramis is a small sea snail, a marine gastropod mollusk in the family Mangeliidae.
Crassispira cerithina is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae.
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Rotaliotina is a genus of small sea snails, marine gastropod mollusks in the family Liotiidae.