Pollicaria
Pollicaria, commonly known as the elephant pupinid snails, is a genus of land snails with a gill and an operculum. They are in the family Pupinidae, superfamily Cyclophoroidea.
This genus of land snails is endemic to Indochina.
Like other pupinid snails, the shells of these snails are shaped like insect pupae. The shells are however characteristically large, up to, in contrast to other pupinids, many of which are considerably smaller. The soft parts of species in this genus are yellowish to pale orange in color, and their shells can range in color from black or yellowish to bright orange. These snails feed on decaying organic matter on forest floors.
Taxonomy
Pollicaria belongs to the family Pupinidae of the superfamily Cyclophoroidea. The genus was first established by the American malacologist Augustus Addison Gould in 1856, to contain his newly described Cyclostoma pollex.Species
The genus Pollicaria contains six species:Pollicaria arlingi Thach, 2018- Pollicaria elephas - endemic to limestone outcrops in Perak, Peninsular Malaysia
- Pollicaria gravida - endemic to Burma, including Mawlamyine, Dawei and Tanintharyi
- Pollicaria mouhoti
- Pollicaria myersii - synonym: Pollicaria rochebruni - restricted to limestone areas in Vientiane to Luang Prabang in Laos. Probably also found in northern ThailandPollicaria nicoarlingi Thach, 2021Pollicaria rochebruni
- Pollicaria crossei - endemic to Tonkin, Vietnam: synonym of Pollicaria rochebruni Pollicaria myersi : synonym of ''Pollicaria myersii''
Description
Elephant pupinid snails have distinctively shaped shells that resemble insect pupae. The shell is thick and solid, ranging in height from. The shells possess a shallow angled groove at the rear which functions as a breathing device. They range in color from monochrome black or yellowish to bright orangeThe body is yellowish to pale orange. Patches of dark-brown to black spots may be found scattered on the head and on the upper surfaces of the muscular foot. The head contains darker orange tentacles with dark eye spots on the outer base. The foot is broad and short. The operculum is attached to the rear top part of the foot.
Elephant pupinid snails are dioecious. Males have a cone-shaped external penis on the right side of their body which will broaden and enlarge during mating season. Females also have a genital groove on the right side of their body.