Amastra affinis

Amastra affinis
Shell of Amastra affinis (specimen at the Paleontological Research Institution)
Scientific classification Edit this classification
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  • Achatinella affinis Newcomb, 1854 superseded combination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

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.