Architectonicidae
| Architectonicidae | |
|---|---|
| Solatisonax rudigerbieleri | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Superfamily: | Architectonicoidea |
| Family: | Architectonicidae Gray, 1850 |
| Genera | |
|
See text | |
Architectonicidae, common name the staircase shells or sundials, are a family of sea snails, marine gastropod mollusks in the informal group Lower Heterobranchia (= Allogastropoda) of the clade Heterobranchia.
The extinct families † Amphitomariidae Bandel, 1994 and † Cassianaxidae Bandel, 1996 belong to the same superfamily.