Merdigera obscura
| Merdigera obscura | |
|---|---|
| |
| Left side view of a live Merdigera obscura. | |
| Scientific classification | |
| Kingdom: | |
| Phylum: | |
| Class: | |
| (unranked): | clade Heterobranchia
clade Euthyneura |
| Superfamily: | |
| Family: | |
| Subfamily: | |
| Tribe: | |
| Genus: | |
| Species: | M. obscura
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| Binomial name | |
| Merdigera obscura (O. F. Müller, 1774)[1]
| |
Merdigera obscura is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Enidae.
Distribution
This species occurs in countries and islands which include:
- Czech Republic
- Ukraine[2]
- Great Britain
- Ireland
- and other areas
Description
The 8.5-10.5 x 3-4 mm shell has 6 slightly convex whorls with deep suture. The apertural margin is reflected and white, not connected by a callus or white layer at the parietal side. The shell colour is evenly brown. The surface has dense radially striations.
The animal is dark brown, lighter laterally and on the foot. The upper tentacles are long, the lower tentacles length is 1/4 of upper tentacles. The animal crawls with the shell in a very high position and not much bent to the right side. Juveniles and adults often have camouflage.
References
- ^ Müller O. F. (1774). Vermivm terrestrium et fluviatilium, seu animalium infusoriorum, helminthicorum, et testaceorum, non marinorum, succincta historia. Volumen alterum. - pp. I-XXVI [= 1-36], 1-214, [1-10]. Havniæ & Lipsiæ. (Heineck & Faber).
- ^ Balashov I. & Gural-Sverlova N. 2012. An annotated checklist of the terrestrial molluscs of Ukraine. Journal of Conchology. 41 (1): 91-109.
External links
- Merdigera obscura at Animalbase taxonomy,short description, distribution, biology,status (threats), images
- Molluscs of Central Europe Image
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