Crassispira pseudoprincipalis

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Crassispira pseudoprincipalis
Crassispira pseudoprincipalis 001.jpg
Image of a shell of Crassispira pseudoprincipalis
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Neogastropoda
Superfamily: Conoidea
Family: Pseudomelatomidae
Genus: Crassispira
Species:
C. pseudoprincipalis
Binomial name
Crassispira pseudoprincipalis
(Yokoyama, 1920)
Synonyms
  • Clavus (Braohytoma) pseudoprincipalisNomura, 1935
  • Drillia, pseudo-principalisYokoyama, 1926
  • Inquisitor pseudoprincipalis. Makiyama, 1927
  • Pleurotoma, (Drillia) pseudo-principalisYokoyama, 1920 (original combination)

Crassispira pseudoprincipalis is an extinct species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and their allies. [1]

Contents

There seems to be confusion about the accepted name of this species. According to the University of Tokyo, the accepted name is Crassispira pseudoprincipalis, [2] while according to the World Register of Marine Species, the accepted name is Inquisitor pseudoprincipalis . [3] Both rely on the basionym Pleurotoma (Drillia) pseudoprincipalisYokoyama, 1920.

Description

The length of the shell attains 27.5 mm, its diameter 8.3 mm.

According to Makiyama (1927, p. 104), Japanese specimens of this species differ from Crassispira bataviana (Martin, 1895) in having a shorter siphonal canal. The same appears to be true of the Okinawan and Formosan specimens.

Distribution

Fossils have been found in Miocene in Japan and in Pliocene strata in Okinawa, Japan.

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References

  1. F.S. MacNeil (1960), Tertiary and Quaternary Gastropoda of Okinawa; Professional Paper 339; USGS PD-icon.svg This article incorporates text from this source, which is in the public domain .
  2. University of Tokyo: Crassispira pseudoprincipalis (Yokoyama, 1920)
  3. MolluscaBase (2018). Inquisitor pseudoprincipalis (Yokoyama, 1920). Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=761950 on 2018-10-16