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Alcadia sericea

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Alcadia sericea
Shell of Alcadia sericea (holotype)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Neritimorpha
Order: Cycloneritida
Family: Helicinidae
Genus: Alcadia
Species:
A. sericea
Binomial name
Alcadia sericea
(Drouët, 1859)
Synonyms[1]
  • Helicina (Oligyra) sericea Drouët, 1859 superseded combination
  • Helicina sericea Drouët, 1859 (original combination)

Alcadia sericea is a species of an operculate land snail, terrestrial gastropod mollusk in the family Helicinidae.[1]

Description

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The height of the shell attains 5.5 mm (0.22 in), its greatest diameter 6 mm (0.24 in). [2]

(Original description in Latin) The globular-trochiform shell is thin, smooth and shiny below and slightly striated above. It is somewhat translucent, silky, and horn-reddish. It has 5 whorls, with the body whorl expanded. The aperture is hemispherical, and the peristome is reflexed, either white or pink, and somewhat sinuous at the base. The operculum is solid, somewhat opaque, and gray. [3]

Distribution

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This species occurs in French Guiana and Suriname. [1]

References

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  1. ^ a b c Alcadia sericea (Drouët, 1859). 7 August 2024. Retrieved through: World Register of Marine Species.
  2. ^ Tillier, S. (1980). "Gastéropodes terrestres et fluviatiles de Guyane française". Mémoires du Muséum National d'Histoire Naturelle, Série A, Zoologie. Nouvelle Série. 118: 1–175.
  3. ^ Drouët, H. (1859). "Essai sur les mollusques terrestres et fluviatiles de la Guyane française". Mémoires de la Société Académique de l'Aube. 23: 1–116. Retrieved 7 August 2024. Public Domain This article incorporates text from this source, which is in the public domain.
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