Diaugasma

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

See text

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

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

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 Public Domain 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.