Alycaeus jousseaumei

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Alycaeus jousseaumei
Alycaeus jousseaumei (MNHN-IM-2000-31801) 001.jpeg
Shell of Alycaeus jousseaumei (syntype at MNHN, Paris)
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Architaenioglossa
Superfamily: Cyclophoroidea
Family: Alycaeidae
Genus: Alycaeus
Species:
A. jousseaumei
Binomial name
Alycaeus jousseaumei
de Morgan, 1885
Synonyms [1]
  • Alycaeus (Chamalycaeus) jousseaumeide Morgan, 1885 (no subgenera are recognized)
  • Chamalycaeus jousseaumei(de Morgan, 1885) (unaccepted combination)

Alycaeus jousseaumei is a species of small land snails with a gill and an operculum, terrestrial gastropod mollusks in the family Alycaeidae. [1]

Contents

Description

The length of the shell attains 6 mm, its diameter between 11 mm and 15 mm.

(Original description in French) The white shell is perforated and slightly depressed, with the upper whorls and protoconch distinctly elevated. The convex whorls feature a deep suture. The body whorl is notably bulging and narrows sharply just above the circular aperture. Delicate ornamentation and striations run parallel to the growth lines across the whorls. A ridge forms just above the constriction of the body whorl, filling the suture cavity to a variable extent depending on the shell's age. The peristome is double and reflexed, shaped like a horseshoe with its concave side facing the umbilicus. The operculum is horny, multi-whorled, circular and concave on the outside, with a central nucleus protruding internally. [2]

Distribution

This species occurs in Peninsular Malaysia.

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References

  1. 1 2 Alycaeus jousseaumei de Morgan, 1885 . 24 September 2024. Retrieved through: World Register of Marine Species .
  2. ↑ de Morgan, J. (1885). "Note sur quelques espèces nouvelles de Mollusques terrestres recueillis dans la Péninsule malaise (mars-septembre 1884)". Le Naturaliste. 7 (9): 70. Retrieved 24 September 2024.PD-icon.svg This article incorporates text from this source, which is in the public domain .
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