Parmacella gervaisii
Parmacella gervaisii is an extinct species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Parmacellidae.
| Parmacella gervaisii | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Heterobranchia |
| Order: | Stylommatophora |
| Family: | Parmacellidae |
| Genus: | Parmacella |
| Species: | †P. gervaisii |
| Binomial name | |
| †Parmacella gervaisii Moquin-Tandon, 1850[2] | |
Parmacella gervaisii is considered to be extinct.[1]
Description
The animal is brown with olive green hue.[3] The shell is solid, greenish yellow, shiny, entirely opaque, concentrically striated, with 1.25 whorls, anterior part is 3 times larger than posterior part, rounded.[3] The length of the shell is 11–12 mm.[3] The width of the shell is 7 mm.[3] The height of the shell is 2-2.3 mm.[3]
Ecology
It was observed to occur almost always in pairs in April.[3]
References
This article incorporates public domain text from the reference.[3]
- Fontaine B., Bouchet P., Van Achterberg K., Alonso-Zarazaga M. A., Araujo R. et al. (2007). "The European union’s 2010 target: Putting rare species in focus." Biological Conservation 139: 167-185. Table 2 on the page 173. doi:10.1016/j.biocon.2007.06.012. PDF.
- Moquin-Tandon A. (1850). "Note sur une nouvelle espèce de parmacelle (Parmacella Gervaisii), précédée de quelques considérations su ce genre de mollusques". Mémoires de l'Académie des Sciences, Inscriptions et Belles Lettres de Toulouse (3)6: 47-56.
- "Species summary for Parmacella gervaisii". AnimalBase, last modified 4 August 2008, accessed 21 June 2010.
External links
- (in French) text about Parmacella gervaisii in French, but the image is drawing of the Parmacella valenciennii
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