Urosalpinx subangulata

Ocenebra subangulata is a species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails.[1]

Urosalpinx subangulata
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Neogastropoda
Family: Muricidae
Subfamily: Ocenebrinae
Genus: Urosalpinx
Species:
U. subangulata
Binomial name
Urosalpinx subangulata
(Stearns, 1873)
Synonyms[1]
  • Muricidea subangulata Stearns, 1873
  • Ocenebra michaeli Ford, 1888
  • Ocenebra subangulata (Stearns, 1873)
  • Ocenebra subangulata waldorfensis Arnold 1907
  • Pteropurpura waldorfensis Arnold 1907

Description

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The length of the shell attains 13.7 mm.

(Original description) The small shell has an abbreviated fusiform shape. It is dingy white and marked spirally by an inconspicuous band formed of three reddish-brown lines more or less interrupted on the basal and the preceding whorl. The shell contains five whorls angulated above and on the body whorl, rounded below the angle, with a shallow sulcation beneath. The surface is covered with rounded and irregular ribs, which are inconspicuous or obsolete on the upper whorls. The shell is longitudinally marked with from seven to nine irregular rounded ribs, which at the edge of the angle (which is somewhat carinated). They are broken into angular or pointed knobs or blunt spines. The aperture is ovate, angulated above and white within. The outer lip has five or six tubercles internally. The siphonal canal is moderately prolonged, slightly curved and open in the two specimens before the author. [2]

Distribution

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This marine species occurs off California.

References

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  1. ^ a b MolluscaBase eds. (2021). MolluscaBase. Urosalpinx subangulata (Stearns, 1873). Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=404109 on 2021-07-16
  2. ^ Stearns, R. E. C. (1873). Descriptions of new marine mollusks from the west coast of North America. Proceedings of the California Academy of Sciences. 5: 78–82, 1 pl
  • Radwin, G. E.; d'Attilio, A. (1976). Murex shells of the World: An illustrated guide to the Muricidae. Stanford University Press.
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