Staircase Shells
Architectonicidae
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.
12 branches of this family, most-observed first
Architectonica
genusArchitectonica
Heliacus
genusHeliacus
Psilaxis
genusPsilaxis
Philippia
genusPhilippia
Adelphotectonica
genusAdelphotectonica
Pseudotorinia
genusPseudotorinia
Basisulcata
genusBasisulcata
Discotectonica
genusDiscotectonica
Pseudomalaxis
genusPseudomalaxis
Granosolarium
genusGranosolarium
Spirolaxis
genusSpirolaxis
Solatisonax
genusSolatisonax
Where it lives
Recorded sightings
—
geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Architectonicidae in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 185051.