Notodiscus
| Notodiscus | |
|---|---|
| A live Notodiscus hookeri is eating lichen Usnea taylorii. | |
| Apical view of the shell of holotype of Notodiscus hookeri heardensis | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Order: | Stylommatophora |
| Family: | Charopidae |
| Subfamily: | Charopinae |
| Genus: | Notodiscus Thiele, 1931 |
| Species: | N. hookeri
|
| Binomial name | |
| Notodiscus hookeri (Reeve, 1854)
| |
| Synonyms | |
|
Helix hookeri Reeve, 1854 | |
Notodiscus hookeri is a species of small air-breathing land snail, a terrestrial gastropod mollusk in the family Charopidae. It is the only species in the genus Notodiscus. This snail lives on islands in the sub-Antarctic region. Its shell is unique among land snails in that the organic shell layers contain no chitin.