Oenopota quadra

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

Oenopota quadra
Shell of Oenopota quadra (holotype at the Smithsonian Institution)
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Caenogastropoda
Clade: Hypsogastropoda
Clade: Neogastropoda
Superfamily: Conoidea
Family: Mangeliidae
Genus: Oenopota
Species:
O. quadra
Binomial name
Oenopota quadra
(W.H. Dall, 1919)
Synonyms[1]

Lora quadra Dall, 1919 (original description)

Description

The length of the shell attains 8 mm, its diameter 4.5 mm.

(Original description) The short and stout shell is white. It contains about five whorls. The apex is eroded. The suture is distinct,. The anal fasciole is narrow, excavated, and finely spirally striated. The axial sculpture consists of (on the body whorl about 18) stout nearly vertical ribs angulated at the edge of the fasciole, forming a narrow shoulder, but without a limiting cord, with usually narrower interspaces and obsolete on the base. The incremental lines are not conspicuous. The spiral sculpture consists of spiral grooves with much wider flat interspaces. The siphonal canal is constricted, spirally threaded and very short. The aperture is simple. The inner lip is erased.[2]

Distribution

This marine species occurs from the Aleutian Islands to Puget Sound.

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References
  1. Oenopota quadra (Dall, 1919). Retrieved through: World Register of Marine Species on 11 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. (described as Lora quadra)
  • Tucker, J.K. 2004 Catalog of recent and fossil turrids (Mollusca: Gastropoda). Zootaxa 682:1–1295.
  • "Obesotoma solida". Gastropods.com. Retrieved 16 January 2019.
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