Vertigo dedecora

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Vertigo dedecora
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Order: Stylommatophora
Family: Vertiginidae
Subfamily: Vertigininae
Genus: Vertigo
Species:
V. dedecora
Binomial name
Vertigo dedecora
{Pilsbry, 1902}
Synonyms
  • Nesopupa dedecoraPilsbry, 1902 · unaccepted (original combination)
  • Nesopupa tamagonariPilsbry, Hirase, 1904
  • Ptychalaea dedecora(Pilsbry, 1902)
  • Vertigo (Vertilla) dedecora(Pilsbry, 1902) · alternate representation

Vertigo dedecora is a species of very small air-breathing land snail, a terrestrial pulmonate gastropod mollusk or micromollusk in the family Vertiginidae. [1] [2]

Contents

This species is vulnerable.

Was erroneously placed in genus Ptychalaea .

Description

The length of the shell attains 1.6 mm, its diameter 1 mm.

(Original description) The shell is exceedingly small, obesely oval, dark red-brown and faintly striate. It contains 4¾ convex whorls. The body whorl swells in a very conspicuous crest some distance behind the aperture, and is grooved at the position of the upper palatal fold. The aperture is squarish and well rounded below. The brown outer lip is expanded. The parietal lamella is long and strong;. The angular lamella is well developed and not united with the parietal. The small columellar lamella is deeply placed. The basal is fold small, close to the columella. The lower palatal fold is very small and deeply situated. The upper palatal is large and prominent All the teeth are whitish. [3]

Distribution

This species is endemic to Japan.

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References

  1. ↑ MolluscaBase eds. (2023). MolluscaBase. Vertigo dedecora. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1330302 on 2023-02-08
  2. ↑ Nekola> J. C., Chiba S., Coles B.F., Drost C.A., Proschwitz T.V., Horsák M. 2018. A phylogenetic overview of the genus Vertigo O.F. Müller, 1773 (Gastropoda: Pulmonata: Pupillidae: Vertigininae) // Malacologia. Vol.62. No.1. P.21–161.
  3. ↑ Pilsbry, H. A. (1902). New land Mollusca from Japan and the Bonin Islands. Proceedings of the Academy of Natural Sciences of Philadelphia. 54: 25-32
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