Amastra affinis

Amastra affinis
	Shell of Amastra affinis (specimen at the Paleontological Research Institution)
Scientific 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	Achatinella (Laminella) goniostoma L. Pfeiffer, 1855 junior subjective synonym; Achatinella affinis Newcomb, 1854 superseded combination; Achatinella pupoidea Newcomb, 1854 junior subjective synonym; Amastra (Amastra) affinis (Newcomb, 1854) alternative representation; Amastra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.^[2]

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.^[3]

Distribution

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

References

^ "WoRMS - World Register of Marine Species - Amastra cylindrica (Newcomb, 1854)". www.marinespecies.org. Retrieved 2024-11-19.
^ Amastra affinis(Newcomb, 1854). 20 November 2024. Retrieved through: World Register of Marine Species.
^ 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. 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

Gulick, J. T. & Smith, E. A. (1873). "Descriptions of new species of Achatinellinae". Proceedings of the Zoological Society of London. 1873: 86.{{cite journal}}: CS1 maint: multiple names: authors list (link)
Pfeiffer, L. (1856). "Descriptions of twenty-three new species of Achatinella, collected by Mr. D. Frick in the Sandwich Islands; from Mr. Cuming's collection". Proceedings of the Zoological Society of London. 23 (297): 204.
Hyatt, A. & Pilsbry, H. A. ( (1910–1911). Manual of conchology, structural and systematic, with illustrations of the species. Ser. 2, Pulmonata. Vol. 21: Achatinellidae (Amastrinae). Philadelphia: Conchological Department, Academy of Natural Sciences. p. 300.{{cite book}}: CS1 maint: multiple names: authors list (link)

[1] "WoRMS - World Register of Marine Species - Amastra cylindrica (Newcomb, 1854)". www.marinespecies.org. Retrieved 2024-11-19.

[WoRMS-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. This article incorporates text from this source, which is in the public domain.

[2]

[1]

[3]