Parmacella gervaisii

Parmacella gervaisii is an extinct species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Parmacellidae.
Parmacella gervaisii is considered to be extinct.

Distribution

This species was endemic to the area near Arles, France.

Description

The animal is brown with olive green hue. 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. The length of the shell is 11–12 mm. The width of the shell is 7 mm. The height of the shell is 2-2.3 mm.

Ecology

It was observed to occur almost always in pairs in April.