Allopeas clavulinum

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.^[2]

Allopeas clavulinum
Allopeas clavulinum in Indonesia
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Stylommatophora
Suborder:	Achatinina
Superfamily:	Achatinoidea
Family:	Achatinidae
Genus:	Allopeas
Species:	A. clavulinum
Binomial name
Allopeas clavulinum (Potiez & Michaud, 1838)
Synonyms
Allopeas mauritianum (L. Pfeiffer, 1853) junior subjective synonym Allopeas prestoni var. hawaiiense (Sykes, 1904) junior subjective synonym Bulimus clavulinus Potiez & Michaud, 1838 superseded combination Bulimus mauritianus L. Pfeiffer, 1853 superseded combination Lamellaxis (Allopeas) mauritianum (L. Pfeiffer, 1853) superseded combination Lamellaxis (Tomopeas) clavulinus (Potiez & Michaud, 1838) superseded combination Lamellaxis clavulinum [sic] incorrect grammatical agreement of specific epithet Lamellaxis clavulinus (Potiez & Michaud, 1838) Opeas clavulinum (Potiez & Michaud, 1838) superseded combination Opeas mauritianum (L. Pfeiffer, 1853) superseded combination Opeas prestoni var. hawaiiensis Sykes, 1904 superseded combination Stenogyra (Opeas) clavulinus (Potiez & Michaud, 1838) superseded combination Subulina maurtiana (L. Pfeiffer, 1853) superseded combination

This species is also known as Lamellaxis clavulinus.

Subspecies

• Allopeas clavulinum kyotoense (Pilsbry & Hirase, 1904) - Japan^[3] Earlier the subspecies was regarded as a standalone species: Allopeas kyotoense (Pilsbry & Hirase, 1904)^[4]
• 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• Allopeas clavulinum pyrgula (Schmacker & O. Boettger, 1891): synonym of Opeas pyrgula Schmacker & O. Boettger, 1891 (superseded combination)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. ^[5]

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".^[6]
• India
• Australia^[7]
• Philippines