Alcadia iheringi

Alcadia iheringi
Shell of Alcadia iheringi (holotype)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Neritimorpha
Order: Cycloneritida
Family: Helicinidae
Genus: Alcadia
Species:
A. iheringi
Binomial name
Alcadia iheringi
A. J. Wagner, 1911
Synonyms[1]

Alcadia (Eualcadia) iheringi A. J. Wagner, 1911

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

Description

The height of the shell attains 3.1 mm, its greatest diameter 3.8 mm.

(Original description in German) The shell is broadly conical with a convex base or is nearly spherical. It is white or yellowish horn-colored, featuring dense, very fine raised spiral lines. (weathered specimens may exhibit relatively strong growth lines on the body whorl, likely due to weathering). The broadly conical, slightly convex spire comprises 4 slowly increasing, somewhat convex whorls, separated by a slightly impressed suture. The body whorl is indistinctly angular to rounded and descends very little or not at all in front.

The rounded triangular aperture is slightly oblique, with the slightly thickened outer lip being briefly expanded and reflexed. The basal margin is convex and extended forward. The very short, thin columella is curved forward and outward, and the thin basal callus is fairly clearly defined. [2]

Distribution

This species occurs in Brazil (São Paulo, Rio de Janeiro) [1]

References

  1. ^ a b c Alcadia iheringi A. J. Wagner, 1911. 3 August 2024. Retrieved through: World Register of Marine Species.
  2. ^ Wagner, A.J. (1907–1911). Die Familie der Helicinidae. In: Küster, H. C. & Kobelt, W., Eds., Systematisches Conchylien-Cabinet von Martini und Chemnitz, Neue Folge. Ersten Bandes, achtzehnte Abtheilung, zweiter Theil. Nürnberg: Bauer & Raspe. Retrieved 3 August 2024.
  • Simone, L.R.L. (2006). Land and Freshwater Molluscs of Brazil. São Paulo: Editora Grafíca Bernardi, FAPESP. pp. 1–390.
  • Richling, I. & Glaubrecht, M (2008). "The types of Neotropical Helicinidae (Mollusca, Gastropoda, Neritopsina) in the Malacological Collection of the Museum für Naturkunde Berlin: an annotated catalogue, with emphasis on Cuban land snails". Zoosystematics and Evolution. 84 (2): 265–310. doi:10.1002/zoos.200800011.{{cite journal}}: CS1 maint: multiple names: authors list (link)

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