| Solatisonax | |
|---|---|
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| Shell of Solatisonax rudigerbieleri (specimen at MNHN, Paris) | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Infraclass: | Lower Heterobranchia |
| Superfamily: | Architectonicoidea |
| Family: | Architectonicidae |
| Genus: | Solatisonax Iredale, 1931 |
| Type species | |
| Solatisonax injussa Iredale, 1931 | |
| Synonyms | |
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Solatisonax is a genus of sea snails, marine gastropod mollusks in the family Architectonicidae, the staircase shells or sundials.[1]