Kingdom Animalia Scientific name Architectonicidae Higher classification Heterostropha | Rank Family | |
Lower classifications Architectonica, Architectonica perspectiva, Philippia |
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.
Genera
Genera within the family Architectonicidae include:


References
Architectonicidae Wikipedia(Text) CC BY-SA