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
Subclass: 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.

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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