Parmacella gervaisii
Extinct species of gastropod
From Wikipedia, the free encyclopedia
Parmacella gervaisii is an extinct species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Parmacellidae.
| Parmacella gervaisii | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| 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]
Distribution
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]