Notodiscus hookeri
| Notodiscus hookeri | |
|---|---|
| A live Notodiscus hookeri is eating lichen Usnea taylorii. | |
| Apical view of the shell of holotype of Notodiscus hookeri heardensis | |
| Scientific classification | |
| Kingdom: | |
| Phylum: | |
| Class: | |
| (unranked): | clade Heterobranchia
clade Euthyneura |
| Superfamily: | |
| Family: | |
| Genus: | Notodiscus |
| 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. 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.