Amphidromus adamsii

Amphidromus adamsii
	A live Amphidromus adamsii
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Stylommatophora
Family:	Camaenidae
Genus:	Amphidromus
Species:	A. adamsii
Binomial name
	Amphidromus adamsii; (Reeve, 1848)
Synonyms
	Amphidromus adamsi (Reeve, 1848) (misspelling of species name); Bulimus adamsii Reeve, 1848 (original combination);

Amphidromus adamsii is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Camaenidae. ^[1]

Subspecies

Amphidromus adamsii adamsii (Reeve, 1848)
Amphidromus adamsii articulatus Fulton, 1896 (type locality: Banggi Island, Sabah, Malaysia).
Amphidromus adamsii duplocinctus Fulton, 1896 (type locality: Banggi Island, Sabah, Malaysia).
Amphidromus adamsii inornatus Fulton, 1896 (type locality: North Borneo)
Amphidromus adamsii luteofasciatus Fulton, 1896 (type locality: Banggi Island, Sabah, Malaysia).
Amphidromus adamsii ornatus Fulton, 1896 (type locality: Banggi Island, Sabah, Malaysia).
Amphidromus adamsii rubiginosus Fulton, 1896 (type locality: North Borneo)

The shell is imperforate or nearly so, oblong-conic, and rather solid, exhibiting striatulations but hardly any spiral striations. Its color is dead-leaf brown, streaked with darker shades, fading to whitish on the upper part of the last whorl and on the spire. It sometimes features irregularly bent brown stripe markings on the spire and some spots at the periphery, with the suture appearing plain or with a reddish-brown line near it below. The apex is white, sometimes bearing a dark dot. The lip and columella are white, the latter being surrounded by an obscure or blackish area. Comprising six and a half whorls. ^[2]

Amphidromus adamsii rufocinctus Fulton, 1896 (type locality: Borneo)
Amphidromus adamsii simplex Fulton, 1896 (type locality: Banggi Island, Sabah, Malaysia).
Amphidromus adamsii subunicolor Fulton, 1896 (type locality: Banggi Island, Sabah, Malaysia).
Amphidromus adamsii superbus Fulton, 1896 (type locality: Banggi Island, Sabah, Malaysia).

The variety Amphidromus adamsii var. obliquatus E. von Martens, 1903 is a taxon inquirendum,(use in recent literature currently undocumented)^[3]

Description

The length of the shell attains 30 mm, its diameter 16.8 mm.

This shell is characterized by a pale yellow coloration, with the base of the columellar lip displaying a violet hue. A series of oval spots in the same violet color spirals around the convex surface of the body whorl and continues between the spire's whorls, reaching the apex.

The shell is sinistral (reversed), and the pattern of markings is highly variable among individuals. Some specimens are densely covered with spots, while others are entirely a pale straw color.^[4]

Distribution

The type species was found in Borneo.

References

^ Amphidromus adamsii (Reeve, 1848). 25 March 2025. Retrieved through: World Register of Marine Species.
^ Tryon, George W., (George Washington), - Baker, H. Burrington (Horace Burrington), - Cooke, C. Montague (Charles Montague), - Hyatt, Alpheus, - Pilsbry, Henry Augustus (1900). Manual of conchology, structural and systematic : with illustrations of the species. Second series, Pulmonata (2 ed.). Philadelphia: published by the authors. p. 224. Retrieved 15 May 2025.{{cite book}}: CS1 maint: multiple names: authors list (link) This article incorporates text from this source, which is in the public domain.
^ Martens, E. von (1903). "). Land- und Süsswasser-Conchylien von Ost-Borneo". Sitzungs-Berichte der Gesellschaft Naturforschender Freunde zu Berlin. 903 (8): 424. Retrieved 12 April 2025. This article incorporates text from this source, which is in the public domain.
^ Adams, A. (1847). Notes from a journal of research into the natural history of the countries visited during the Voyage of H.M.S. Samarang, under the command of Captain Sir E. Belcher, C.B. In: E. Belcher. Narrative of the Voyage of H.M.S. Samarang, During the Years 1843-46; Empployed Surveying the Islands of the Eastern Archipelago; Accompanied by a Brief Vocabulary of the Principal Languages. Volume II. London: Reeve, Benham, and Reeve. p. 482. Retrieved 25 March 2025. This article incorporates text from this source, which is in the public domain.

Reeve L (1848–1850) Conchologia Iconica: Illustrations of the shells of molluscous animals. Volume 5, Monograph of the genera Bulimus, Achatina, Dolium, Cassis, Turritella, Mesalia, Eglisia, Cassidaria, Oniscia, Eburna, pls 1–57. Reeve, Benham, and Reeve, King William Street, Strand, London, 147 plates

External links

Tryon, George W., (George Washington), - Baker, H. Burrington (Horace Burrington), - Cooke, C. Montague (Charles Montague), - Hyatt, Alpheus, - Pilsbry, Henry Augustus (1900). Manual of conchology, structural and systematic : with illustrations of the species. Second series, Pulmonata (2 ed.). Philadelphia: published by the authors. p. 221. Retrieved 15 May 2025.{{cite book}}: CS1 maint: multiple names: authors list (link) This article incorporates text from this source, which is in the public domain.
Fulton Hugh C. (1896a) A list of the species of Amphidromus Albers, with critical notes and descriptions of some hitherto undescribed species and varieties. Annals and Magazine of Natural History, Series 6 vol. 17: 66–94
Sutcharit C., Ablett J., Tongkerd P., Naggs F. & Panha S. (2015). "Illustrated type catalogue of Amphidromus Albers, 1850 in the Natural History Museum, London, and descriptions of two new species". ZooKeys. 492: 57. Retrieved 25 March 2025.{{cite journal}}: CS1 maint: multiple names: authors list (link)

[WoRMS-1] Amphidromus adamsii (Reeve, 1848). 25 March 2025. Retrieved through: World Register of Marine Species.

[2] Tryon, George W., (George Washington), - Baker, H. Burrington (Horace Burrington), - Cooke, C. Montague (Charles Montague), - Hyatt, Alpheus, - Pilsbry, Henry Augustus (1900). Manual of conchology, structural and systematic : with illustrations of the species. Second series, Pulmonata (2 ed.). Philadelphia: published by the authors. p. 224. Retrieved 15 May 2025.{{cite book}}: CS1 maint: multiple names: authors list (link) This article incorporates text from this source, which is in the public domain.

[3] Martens, E. von (1903). "). Land- und Süsswasser-Conchylien von Ost-Borneo". Sitzungs-Berichte der Gesellschaft Naturforschender Freunde zu Berlin. 903 (8): 424. Retrieved 12 April 2025. This article incorporates text from this source, which is in the public domain.

[4] Adams, A. (1847). Notes from a journal of research into the natural history of the countries visited during the Voyage of H.M.S. Samarang, under the command of Captain Sir E. Belcher, C.B. In: E. Belcher. Narrative of the Voyage of H.M.S. Samarang, During the Years 1843-46; Empployed Surveying the Islands of the Eastern Archipelago; Accompanied by a Brief Vocabulary of the Principal Languages. Volume II. London: Reeve, Benham, and Reeve. p. 482. Retrieved 25 March 2025. This article incorporates text from this source, which is in the public domain.

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Amphidromus adamsii

A live Amphidromus adamsii
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Stylommatophora
Family:	Camaenidae
Genus:	Amphidromus
Species:	A. adamsii
Binomial name
*Amphidromus adamsii* (Reeve, 1848)
Synonyms
Amphidromus adamsi (Reeve, 1848) (misspelling of species name) Bulimus adamsii Reeve, 1848 (original combination)