Gudeodiscus messageri
| Gudeodiscus messageri | |
|---|---|
 |
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| Gudeodiscus messageri raheemi | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| (unranked): |
clade Heterobranchia
clade Euthyneura |
| Superfamily: | Plectopyloidea |
| Family: | Plectopylidae |
| Genus: | Gudeodiscus |
| Subgenus: | Gudeodiscus |
| Species: | G. messageri |
| Binomial name | |
|
Gudeodiscus messageri (Gude, 1909) |
|
| Synonyms | |
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Plectopylis messageri Gude, 1909 |
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clade Euthyneura
clade Panpulmonata
clade Eupulmonata
clade Stylommatophora
informal group Sigmurethra
Plectopylis messageri Gude, 1909
Gudeodiscus messageri is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Plectopylidae.
Gudeodiscus messageri include two subspecies:
The distribution of Gudeodiscus messageri messageri is known from Vietnam along the Chinese border (Yunnan Province).
The distribution of Gudeodiscus messageri raheemi is known from Vietnam from Ninh Bình Province, Thanh Hóa Province, Sơn La Province, Hòa Bình Province and Nghệ An Province and from Luang Prabang Province in north Laos and Vientiane Province in nortwest Laos.Gudeodiscus messageri raheemi in Laos is the westernmost record of the genus Gudeodiscus.
The shell of Gudeodiscus messageri is small to medium-sized, with slightly elevated spire. The dorsal surface is somewhat domed. The aperture is almost circular. The apertural fold is missing. Callus is rather blunt and only slightly curved. Parietal wall has two lamellae (the anterior lamella may be dissolved into small denticles). Lower parietal plica is free or connected to the anterior lamella. Palatal plicae are oblique, or depressed Z-shaped, usually in contact with each other.
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Wikipedia