Biology:Antiplanes sanctiioannis

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Short description: Species of gastropod

Antiplanes sanctiioannis
Scientific classification edit
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Neogastropoda
Superfamily: Conoidea
Family: Pseudomelatomidae
Genus: Antiplanes
Species:
A. sanctiioannis
Binomial name
Antiplanes sanctiioannis
(Smith E. A., 1875)
Synonyms[1]
  • Antiplanes beringi (Aurivillius, 1885)
  • Antiplanes sadoensis Yokoyama, 1926
  • Antiplanes yessoensis Dall, 1925
  • Pleurotoma beringi Aurivillius, 1887
  • Pleurotoma sanctiioannis Smith E. A., 1875 (original combination)
  • Spirotropis (Antiplanes) perversa (Gabb, 1865)

Antiplanes sanctiioannis is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids.[1]

Description

The length of the shell varies between 20 mm and 40 mm; maximum diameter 14 mm.

The fusiform shell contains 10 slightly convex whorls. The shell is clothed with a smooth, thickish, olive epidermis. The shell is covered with very narrow spiral striae and incremental flexuous stripes. The dark reddish aperture is ovate and contracted below. It measures about 2/5 of the total length. The siphonal canal is broad and slightly oblique. The narrow outer lip has a wide sinuation above the middle. The columella is twisted. The operculum is unguiform.[2]

Distribution

This marine species occurs off he Pacific coast of northern Honshu, Japan; also in the Bering Sea.

References

External links

Wikidata ☰ Q1602373 entry