Allopeas micra explained

Allopeas micra is a species of small, tropical, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Achatinidae.

Subspecies:

• Allopeas micra mazatlanicum (Pilsbry, 1931)
• Allopeas micra micra (A. d'Orbigny, 1835)

Description

The shell is elongated and turreted, thin and translucent. It shows very pronounced striations formed by small, sharp, raised ribs. It is nearly umbilicate, with a long, almost conical spire that ends in an obtuse apex. The shell is composed of 8 whorls that are slightly rounded. The aperture is oval with sharp, well-defined margins, and the columella is straight. The shell exhibits a yellowish-white color. ^[1]

Distribution

The distribution of Allopeas micra includes:

• West Indies
• from Mexico to Bolivia
• Dominica - introduced. First reported in 2009.^[2]

Synonyms

• Achatina lucida Poey, 1852 junior subjective synonym
• Bulimus contractus Poey, 1853 junior subjective synonym
• Bulimus octonoides C. B. Adams, 1845 junior subjective synonym
• Bulimus tryonianus Tate, 1870 junior subjective synonym
• Helix (Cochlitoma) micra A. d'Orbigny, 1835 superseded combination
• Helix micra A. d'Orbigny, 1835 superseded combination
• Lamellaxis (Allopeas) micron (A. d'Orbigny, 1835) incorrect grammatical agreement of specific epithet
• Lamellaxis (Allopeas) micrus (A. d'Orbigny, 1835) incorrect grammatical agreement of specific epithet
• Lamellaxis (Leptopeas) micra (A. d'Orbigny, 1835) superseded combination
• Lamellaxis micra (A. d'Orbigny, 1835) superseded combination
• Lamellaxis micrus A. d'Orbigny, 1835 incorrect grammatical agreement of specific epithet
• Leptopeas micra (A. d'Orbigny, 1835) superseded combination
• Opeas dresseli (K. Miller, 1879) junior subjective synonym
• Opeas lucida (Poey, 1852) unaccepted
• Opeas micra (A. d'Orbigny, 1835) superseded combination
• Opeas octonoides (C. B. Adams, 1845) junior subjective synonym
• Opeas tryonianum (Tate, 1870) junior subjective synonym
• Opeas tryonianum var. subovale E. von Martens, 1898 junior subjective synonym
• Stenogyra (Opeas) dresseli K. Miller, 1879 junior subjective synonym
• Stenogyra (Opeas) octonoides (C. B. Adams, 1845) junior subjective synonym
• Stenogyra octonoides (C. B. Adams, 1845) junior subjective synonym

References

• Brook . F. J. . Coastal landsnail fauna of Rarotonga, Cook Islands: systematics, diversity, biogeography, faunal history, and environmental influences . Tuhinga . 2010 . 21 . 161–252.
• Book: Simone . L. R. L. . Land and Freshwater Molluscs of Brazil . 2006 . Editora Gráfica Bernardi, FAPESP . São Paulo . 184.
• Rosenberg . G. . Muratov . I. V. . Status report on the terrestrial Mollusca of Jamaica . Proceedings of the Academy of Natural Sciences of Philadelphia . 2006 . 155 . 1 . 151. 10.1635/i0097-3157-155-1-117.1 .
• Rutherford . M. G. . Land snails from the Five-Island Archipelago, north-west Trinidad, West Indies . Living World, Journal of the Trinidad and Tobago Field Naturalists' Club . 2011 . 2011 . 42–45.
• Robinson . D. G. . Fields . A. . Zimmerman . F. J. . The terrestrial malacofauna of Trinidad and Tobago. . Nterim Report . 2004 . 1–21.
• Breure . A. S. H. . Roosen . M. T. . Ablett . J. D. . Land and freshwater molluscs of mainland Ecuador: an illustrated checklist . Iberus . 2022 . 40 . 1 . 88.
• Breure . A. S. H. . Hovestadt . A. . Fields . A. . Robinson . D. G. . The land Mollusca (Gastropoda) of Saint Kitts and Nevis (Lesser Antilles), with description of a new species . The Nautilus . 2016 . 130 . 2 . 34.

External links

• d'Orbigny . A. . Synopsis terrestrium et fluviatilium molluscorum, in suo per Americam meridionalem itinere collectorum. . Magasin de Zoologie . 1835 . 5 . 61 . 1–44 .
• Adams . C.B. . Specierum novarum conchyliorum, in Jamaica repertorum, synopsis . Proceedings of the Boston Society of Natural History . 1845 . 2 . 12 .
• Tate . R. . On the land and fresh-water Mollusca of Nicaragua . American Journal of Conchology . 1870 . 5 . 3 . 157 .
• Poey . F. . Memorias sobre la historia natural de la Isla de Cuba, acompañadas de sumarios Latinos y extractos en Francés . La Habana . 1851–1854 . 1 . 1–463 .
• Miller . K. . Die Binnenmollusken von Ecuador. . Malakozoologische Blätter . Neue Folge . 1879 . 1 . 123 .
• Bieler . R. . Slapcinsky . J. . A case study for the development of an island fauna: Recent terrestrial mollusks of Bermuda. . Nemouria . 2000 . 44 . 1–99 .
• Chase . R. . Robinson . D. G. . The uncertain history of land snails on Barbados: implications for conservation. . Malacologia . 2001 . 43 . 1–2 . 45 .
• Hovestadt . A. . Neckheim . C. M. . A critical checklist of the non-marine molluscs of St. Martin, with notes on the terrestrial malacofauna of Anguilla and Saint-Barthélemy, and the description of a new subspecies . Folia Conchyliologica . 2020 . 57 . 1–38 .

Notes and References

1. Book: Pilsbry . H.A. . Manual of conchology, structural and systematic, with illustrations of the species. Ser. 2, Pulmonata. Vol. 18: Achatinidae: Stenogyrinae and Coeliaxinae. . 1906–1907 . Conchological Department, Academy of Natural Sciences. . Philadelphia . 27 August 2024.
2. Robinson D. G., Hovestadt A., Fields A. & Breure A. S. H. (July 2009). "The land Mollusca of Dominica (Lesser Antilles), with notes on some enigmatic or rare species". Zoologische Mededelingen 83 http://www.zoologischemededelingen.nl/83/nr03/a13