Diaugasma

Diaugasma is a genus of sea snails, marine gastropod mollusks in the family Raphitomidae.[1]

Diaugasma
Shell of Diaugasma olyra (specimen at MNHN, Paris)
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Caenogastropoda
Clade: Hypsogastropoda
Clade: Neogastropoda
Superfamily: Conoidea
Family: Raphitomidae
Genus: Diaugasma
Melvill, 1917
Type species
Daphnella epicharta Melvill & Standen, 1903
Species

See text

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.[2]

Species

Species within the genus Diaugasma include:

Species brought into synonymy
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References
  1. Diaugasma Melvill, 1917. Retrieved through: World Register of Marine Species on 14 April 2010.
  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.
  3. Diaugasma marchadi (Knudsen, 1956). Retrieved through: World Register of Marine Species on 14 April 2010.
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