Spirotropis studeriana

Spirotropis studeriana is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.[2]

Spirotropis studeriana
Shell of Spirotropis studeriana (specimen at the Smithsonian Institution)
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Caenogastropoda
Clade: Hypsogastropoda
Clade: Neogastropoda
Superfamily: Conoidea
Family: Drilliidae
Genus: Spirotropis
Species:
S. studeriana
Binomial name
Spirotropis studeriana
(von Martens, 1878) [1]
Synonyms[2]
  • Drillia (Drillia) studeriana (von Martens, 1878)
  • Pleurotoma studeriana Martens, 1878 (basionym)
  • Pleurotoma (Spirotropis) studeriana (von Martens, 1878)

Description

The shell of this species grows to a length between 11 mm and 22 mm.

The shell is stouter than Spirotropis patagonica, with a shorter body whorl. The ribs are stronger and fewer, evanescent on the body whorl. The revolving lines are slighter and scarcely apparent. The siphonal canal is shorter and broader.[3]

Distribution

This species occurs in the benthic zone of the cold waters off Argentina and the Kerguelen Islands at depths between 646 m and 845 m.

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References
  1. von Martens, E. (1878) Über einige Conchylien aus den kälteren Meeresgegenden der südlichen Erdhälfte. Sitzungs-Berichte der Gesellschaft Naturforschender Freunde zu Berlin, 1878, 20–26.
  2. Spirotropis studeriana (Martens, 1878). Retrieved through: World Register of Marine Species on 10 November 2011.
  3. G.W. Tryon (1884) Manual of Conchology, structural and systematic, with illustrations of the species, vol. VI; Philadelphia, Academy of Natural Sciences
  • "Spirotropis studeriana". Gastropods.com. Retrieved 16 January 2019.
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