Diaugasma olyra

Diaugasma olyra is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.[1]

Diaugasma olyra
Shell of Diaugasma olyra (specimen at MNHN, Paris)
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Caenogastropoda
Clade: Hypsogastropoda
Clade: Neogastropoda
Family: Raphitomidae
Genus: Diaugasma
Species:
D. olyra
Binomial name
Diaugasma olyra
(Reeve, 1845)
Synonyms[1]
  • Daphnella (Diaugasma) olyra (Reeve, 1845)
  • Pleurotoma olyra Reeve, 1845

Description

The length of the shell attains 11 mm. It can be distinguishged from It can be distinguished from Diaugasma epicharta by its much larger size, say 11 mm. long, a wider aperture, a shorter spire, and a pink-tipped apex. It is likewise semi-transparent, and the very delicate spiral striation across the whorls is represented by the Reeve as sometimes evanescent altogether. [2]

Distribution

This marine species occurs off the Philippines and Taiwan.

References
  1. MolluscaBase (2019). MolluscaBase. Diaugasma olyra (Reeve, 1845). Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=719363 on 2019-03-06
  2. J.C. Melvill (1917), A revision of the Turridae (Pleurotomidae) occurring in the Persian Gulf, Gulf of Oman and North Arabian Sea, as evidenced mostly through the results of dredgings carried out by Mr. F. W. Townsend, 1893-1914; Proceedings of the Malacological Society of London vol. 12, 1917 This article incorporates text from this source, which is in the public domain.
  • Reeve, L.A. 1845. Monograph of the genus Pleurotoma. pls 20-33 in Reeve, L.A. (ed). Conchologia Iconica. London : L. Reeve & Co. Vol. 1.
  • Tucker, J.K. (2004). "Catalog of recent and fossil turrids (Mollusca: Gastropoda)" (PDF). Zootaxa. 682: 1–1295.


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