Oenopota inequita

Oenopota inequita is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.[1]

Oenopota inequita
Original image of a shell of Oenopota inequita
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Caenogastropoda
Clade: Hypsogastropoda
Clade: Neogastropoda
Superfamily: Conoidea
Family: Mangeliidae
Genus: Oenopota
Species:
O. inequita
Binomial name
Oenopota inequita
(W.H. Dall, 1919)
Synonyms[1]
  • Lora inequita W.H. Dall, 1919 (original description)
  • Nodotoma inequita (W.H. Dall, 1919)

Description

The length of the shell attains 11 mm, its diameter 4 mm.

(Original description) The thin shell is yellowish white. It contains about six moderately rounded whorls, the protoconch is eroded. The suture is distinct. The spiral sculpture on the early whorls consists of two strong cords one on each side of the periphery between which are first one, later two, and finally four smaller threads. The posterior cord gives the whorl a slight shoulder. On the body whorl in front of the anterior cord to the end of the siphonal canal are smaller, more or less alternate flattish cords close-set, the interspaces wider on the canal. The axial sculpture consists of (on the penultimate whorl about 20) rounded sigmoid ribs with wider or subequal interspaces, crossing the early whorls, becoming less evident on the later whorls, and obsolete on the base of the body whorl. The incremental lines are more or less evident. The aperture is narrow and simple. The columella is white, erased and attenuated in front.[2]

Distribution

This marine species was found in Plover Bay, Bering Sea and off Japan.

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References
  1. Oenopota inequita (Dall, 1919). Retrieved through: World Register of Marine Species on 10 August 2011.
  2. Dall (1919) Descriptions of new species of Mollusca from the North Pacific Ocean; Proceedings of the U.S. National Museum, vol. 56 (1920) This article incorporates text from this source, which is in the public domain.
  • Tucker, J.K. 2004 Catalog of recent and fossil turrids (Mollusca: Gastropoda). Zootaxa 682:1–1295.
  • "Nodotoma inequita". Gastropods.com. Retrieved 16 January 2019.
  • MNHN, Paris: Oenopota inequita
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