Spirolaxis | |
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Shell of Spirolaxis centrifuga (specimen at MNHN, Paris) | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Gastropoda |
Infraclass: | Lower Heterobranchia |
Superfamily: | Architectonicoidea |
Family: | Architectonicidae |
Genus: | Spirolaxis Monterosato, 1913 |
Type species | |
Spirolaxis centrifuga(Monterosato, 1890) | |
Synonyms | |
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Spirolaxis is a genus of sea snails, marine gastropod mollusks in the family Architectonicidae, the staircase shells or sundials. [1]
(Original description) The shell is discoidal; its whorls are quadrangular, detached, and solute. [2]