Allopeas clavulinum explained

Allopeas clavulinum, common name the spike awlsnail,^[1] is a species of small, tropical, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Achatinidae.

This species is also known as Lamellaxis clavulinus.

Subspecies

• Allopeas clavulinum kyotoense (Pilsbry & Hirase, 1904) - Japan^[2] Earlier the subspecies was regarded as a standalone species: Allopeas kyotoense (Pilsbry & Hirase, 1904)^[3]
• Allopeas clavulinum obesispira (Pilsbry & Y. Hirase, 1904)
• Allopeas clavulinum pyrgula (Schmacker & O. Boettger, 1891): synonym of Opeas pyrgula Schmacker & O. Boettger, 1891 (superseded combination)

Description

(Original description in Latin) The turreted shell is delicate, glassy, and translucent with a polished sheen. It features six convex whorls, with the body whorl being the largest. The oval aperture is angular at the top and left sides. The peristome is simple and sharp-edged. The shell has a blunt apex. ^[4]

Distribution

The non-indigenous distribution of this species has a wide distribution in the tropics and subtropics of East Africa. It is introduced elsewhere:

• Great Britain, as a "hothouse alien".
• the Czech Republic, where it occurs as a "hothouse alien".^[5]
• India
• Australia^[6]
• Philippines

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: Gerlach . J. . Terrestrial and freshwater Mollusca of the Seychelles islands. . 2006 . 1–141.
• Book: Griffiths, O.L. & Florens, V.F.B. . A field guide to the non-marine molluscs of the Mascarene Islands (Mauritius, Rodrigues and Réunion) and the northern dependencies of Mauritius . 2006 . Bioculture Press . Mauritius . 1–185.

External links

• Book: Pfeiffer . L . Die Gattungen Bulimus, Partula, Achatinella, Achatina und Azeca. In Abbildungen nach der Natur mit Beschreibungen. In: Systematisches Conchylien-Cabinet von Martini und Chemnitz, Ersten Bandes, dreizehnte Abtheilung, erster Theil. . 1853–1865 . Bauer & Raspe . Nürnberg .
• Sykes . E.R. . The Hawaiian species of Opeas . Proceedings of the Malacological Society of London . 1904 . 6 . 112–113 .
• Espinosa, J. A. & Robinson, D. G. . Annotated checklist of the terrestrial mollusks (Mollusca: Gastropoda) from Hispaniola Island. . Novitates Caribaea . 2021 . 17 . 17 . 71–146 . 10.33800/nc.vi17.250 . free .
• Marzuki, M. E. bin, Liew, T. S. [Thor-Seng] & Mohd-Azlan, J. . Land snails and slugs of Bau limestone hills, Sarawak (Malaysia, Borneo), with the descriptions of 13 new species. . ZooKeys . 2021 . 1035 . 1–113 . 10.3897/zookeys.1035.60843 . free . 33958931 . 8096804 .

Notes and References

1. https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=567214 "Allopeas clavulinum (Potiez and Michaud, 1838)"
2. http://shell.kwansei.ac.jp/~shell/pic_book/data40/r003983.html "Allopeas clavulinum kyotoense オカチョウジガイ"
3. Web site: Allopeas kyotoense (Pilsbry & Hirase, 1904) . www.gbif.org . 26 October 2021 . en.
4. Book: Potiez, V. L. V. & Michaud, A. L. G. . Galerie des mollusques, ou catalogue méthodique, descriptif et raisonné des mollusques et coquilles du Muséum de Douai. Tome 1, pp. xxxvi + 560 + 4 (Relevé des genres manquants; Errata). Atlas . 1838 . Baillière . Paris . 25 August 2024.
5. Horsák M., Dvořák L. & Juřičková L. (2004). "Greenhouse gastropods of the Czech Republic: current stage of research". Malakológiai Tájekoztató (Malacological Newsletter) 22: 141-147. PDF .
6. http://www.ento.csiro.au/aicn/name_s/b_2223.htm "Lamellaxis clavulinus (Potiez & Michaud)"