 | This article relies on a single source. (May 2026) |
| Cryptomastix mullani | |
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| Three views of a shell of Cryptomastix mullani clappi | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Order: | Stylommatophora |
| Family: | Polygyridae |
| Genus: | Cryptomastix |
| Species: | C. mullani |
| Binomial name | |
| Cryptomastix mullani (Bland and J. G. Cooper, 1861) | |
Cryptomastix mullani, commonly known as the Coeur d'Alene Oregonian snail, is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Polygyridae.