Phasianotrochus hirasei

Phasianotrochus hirasei is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.[1]

Phasianotrochus hirasei
Apertural view of a shell of Phasianotrochus hirasei
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Vetigastropoda
Order: Trochida
Superfamily: Trochoidea
Family: Trochidae
Genus: Phasianotrochus
Species:
P. hirasei
Binomial name
Phasianotrochus hirasei
(Pilsbry, H.A., 1901)
Synonyms
  • Cantharidus (Phasianotrochus) hirasei Pilsbry, H.A. 1901

WoRMS mentions this species as a taxon inquirendum Cantharidus hirasei Pilsbry, 1901 [2]

Description

The height of the shell attains 15 mm. The ovate-pyramidal shell is solid. The color of the shell is a uniform olive or a brownish-olive, belted with numerous reddish spiral bands. The shell is smooth except for faint growth lines above. The base of the shell scores by 5 or 6 narrow, spaced, concentric grooves that become stronger near the axis. The conic spire contains 6½ convex whorls. The body whorl is subangular at the periphery and convex beneath. The oblique aperture is brilliantly green inside, with a dusky submarginal band and a pale edge. The white columella is opaque and rounded. The umbilical region is imperforate or has a very minute perforation.[1]

This is the only species of Phasianotrochus outside Australia.

Distribution

This marine species occurs off Japan and Korea.

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References
  1. Tryon (1889), Manual of Conchology XI, Academy of Natural Sciences, Philadelphia
  2. Sartori, André F. (2015). Cantharidus hirasei Pilsbry, 1901. In: MolluscaBase (2015). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=754155 on 2016-09-08
  • Pilsbry, H.A. 1901. New Mollusca from Japan, the Loo Choo Islands, Formosa and the Philippines. Proceedings of the Academy of Natural Sciences of Philadelphia 53: 193-210.page(s): 199
  • "Phasianotrochus hirasei". Gastropods.com. Retrieved 16 January 2019.
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