Diaugasma
{{Short description|Genus of gastropods}}
{{Automatic taxobox
| image = Diaugasma olyra 001.jpg
| image_caption = Shell of Diaugasma olyra (specimen at MNHN, Paris)
| display_parents = 3
| taxon = Diaugasma
| authority = Melvill, 1917
| synonyms_ref =
| synonyms =
| type_species = Daphnella epicharta
| type_species_authority = Melvill & Standen, 1903
| subdivision_ranks = Species
| subdivision = See text
}}
Diaugasma is a genus of sea snails, marine gastropod mollusks in the family Raphitomidae.{{WRMS species|432449|Diaugasma Melvill, 1917||14 April 2010}}
Description
The minute shell is oliviform, smoother microscopically spirally striolate, mainly on each side of the sutures, leaving the central portion of the whorl plain, in form cylindrical or elongate, compact, only slightly
impressed at the sutures. The whorls of the protoconch are closely and very finely cancellate. The whorls are semi-pellucid, unicolorous white, or flecked with pale stramineous. The aperture is narrowly oblong. The outer lip is nearly straight, slightly thickened,. The sinus is hardly expressed.[https://archive.org/details/proceedingsofmal1213191619mala 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] {{PD-notice}}
Species
Species within the genus Diaugasma include:
- Diaugasma epicharta (Melvill & Standen, 1903)
- Diaugasma olyra (Reeve, 1845)
;Species brought into synonymy:
- Diaugasma marchadi (Knudsen, 1956):{{WRMS species|433568|Diaugasma marchadi (Knudsen, 1956)||14 April 2010}} synonym of Kyllinia marchadi (Knudsen, 1956)
References
{{Reflist}}
External links
- [https://www.biodiversitylibrary.org/item/94944#page/311/mode/1up Melvill J.C. & Standen R. (1903). Descriptions of sixty-eight new Gastropoda from the Persian Gulf, Gulf of Oman, and North Arabian Sea, dredged by the Indo-European Telegraph Service, 1901–1903. Annals and Magazine of Natural History. ser. 7, 12: 289-324]
- [https://www.biodiversitylibrary.org/page/32629070 Rolán E., Otero-Schmitt J. & Fernandes F. (1998) The family Turridae s. l. (Mollusca, Neogastropoda) in Angola (West Africa). 1. Subfamily Daphnellinae. Iberus, 16: 95–118]
- [http://www.bagniliggia.it/WMSD/HtmFamily/RAPHITOMIDAELS.htm Worldwide Mollusc Species Data Base: Raphitomidae]
{{Taxonbar|from=Q3717837}}