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Amastra affinis

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Species of gastropod

Amastra affinis
Shell of Amastra affinis (specimen at the Paleontological Research Institution)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Order: Stylommatophora
Family: Amastridae
Genus: Amastra
Species: A. affinis
Binomial name
Amastra affinis
(Newcomb, 1854)
Synonyms
  • Achatinella (Laminella) goniostoma L. Pfeiffer, 1855 junior subjective synonym
  • Achatinella affinis Newcomb, 1854 superseded combination
  • Achatinella pupoidea Newcomb, 1854 junior subjective synonym
  • Amastra (Amastra) affinis (Newcomb, 1854) alternative representation
  • Amastra (Amastra) affinis affinis (Newcomb, 1854)
  • Amastra (Amastra) affinis pupoidea Newcomb, 1854
  • Amastra (Amastra) affinis subpulla Hyatt & Pilsbry, 1911 junior subjective synonym
  • Amastra (Amastra) affinis var. bigener Hyatt, 1911 junior subjective synonym
  • Amastra (Amastra) affinis var. cinderella Hyatt, 1911 junior subjective synonym
  • Amastra (Amastra) bigener Hyatt, 1911 alternative representation
  • Amastra (Amastra) bigener var. aberrans Hyatt, 1911 junior subjective synonym
  • Amastra affinis subpulla Hyatt & Pilsbry, 1911 junior subjective synonym
  • Amastra affinis var. bigener Hyatt, 1911 junior subjective synonym
  • Amastra bigener Hyatt, 1911 junior subjective synonym
  • Amastra bigener var. abberans Hyatt, 1911 junior subjective synonym
  • Amastra rustica Gulick, 1873 junior subjective synonym

Amastra affinis is a species of land snail, a terrestrial pulmonate gastropod mollusc in the family Amastridae.

Subspecies
  • Amastra affinis kaupakaluana Hyatt & Pilsbry, 1911 (taxon inquirendum)
  • Amastra affinis pupoidea (Newcomb, 1854) (taxon inquirendum)

Description

(Original description) The shell is sharply conical, composed of six rounded, non-margined whorls with a well-defined suture. The aperture is ovate, with a thin outer lip. The columella features a white, lamellar, twisted tooth.

The shell is predominantly white, roseate, or salmon in color, often retaining traces of a dark brown epidermis. The body whorl is noticeably lighter in color compared to the upper ones.

Distribution

This species is endemic to Hawaii and occurs on Maui Island.

References

  1. "WoRMS - World Register of Marine Species - Amastra cylindrica (Newcomb, 1854)". www.marinespecies.org. Retrieved 2024-11-19.
  2. Amastra affinis(Newcomb, 1854). 20 November 2024. Retrieved through: World Register of Marine Species.
  3. Newcomb, W. (1854). "Descriptions of seventy·nine new species of Achatinella, (Swains.), a genus of pulmoniferous mollusks, in the collection of Hugh Cuming, Esq". Proceedings of the Zoological Society of London. 21: 142. Retrieved 19 November 2024. Public Domain This article incorporates text from this source, which is in the public domain.
  • Cowie, R. H., Evenhuis, N. L. & Christensen, C. C. (1995). Catalog of the native land and freshwater molluscs of the Hawaiian Islands. Leiden: Backhuys Publishers. pp. 1–248.{{cite book}}: CS1 maint: multiple names: authors list (link)

External links

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