Microdrillia circumvertens

Microdrillia circumvertens
Original drawing of a shell of Microdrillia circumvertens
Scientific classification
Kingdom:Animalia
Phylum:Mollusca
Class:Gastropoda
Clade:Caenogastropoda
Clade:Hypsogastropoda
Clade:Neogastropoda
Superfamily:Conoidea
Family:Borsoniidae
Genus:Microdrillia
Species: M. circumvertens
Binomial name
Microdrillia circumvertens
(Melvill & Standen, 1901)
Synonyms[1]
  • Drillia circumvertens Melvill & Standen, 1901 (original combination)

Microdrillia circumvertens is a species of sea snail, a marine gastropod mollusk in the family Borsoniidae.[1]

Description

The height of the small, milky-white shell attains 6 mm, its width 2.25 mm. It has an ovate-fusiform shape. It contains 8 whorls. The body whorl is bicarinate. A very beautiful spirally carinate and lirate species. The short canal and wide sinus proclaim it rightly placed in Microdrillia and the acute carinae are peculiar. The aperture is oblique and oblong. The columella contains no plications.[2]

Distribution

This marine species occurs from the Gulf of Oman to Transkei, South Africa

References

  1. 1 2 WoRMS (2015). Microdrillia circumvertens (Melvill & Standen, 1901). In: MolluscaBase (2015). Accessed through: World Register of Marine Species at http://marinespecies.org/aphia.php/aphia.php?p=taxdetails&id=434400 on 2016-03-14
  2. ↑ Melvill & Standen (1901) Mollusks from the Persian Gulf and Arabian Sea; Proceedings of the Zoological Society of London. v. 2, 1901


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