Rotaliotina discoidea

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
Drawing of a shell of Rotaliotina discoidea
Scientific classification Edit this classification
Domain: Eukaryota
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
  • Delphinula discoidea Reeve, 1843
  • Liotia discoidea Reeve, 1843
  • Pseudoliotina discoidea (Reeve, 1843)

Description

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]

Distribution

This marine species occurs off the Philippines, Papua New Guinea and Australia (Queensland) and Norfolk Island and Lord Howe Island.

References
  1. 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
  2. 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.
  • Reeve, L.A. 1843. Monograph of the genus Delphinula. pls 1-5 in Reeve, L.A. (ed). Conchologia Iconica. London : L. Reeve & Co. Vol. 1.
  • To World Register of Marine Species
  • "Pseudoliotina discoidea". Gastropods.com. Retrieved 16 January 2019.
  • Australian Faunal Directory: Pseudoliotina discoidea
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