Architectonicidae
Architectonicidae, common name the staircase shells or sundials, are a family of sea snails, marine gastropod mollusks in the informal group "Lower Heterobranchia" 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:
- Adelphotectonica Bieler, 1987
- Aguayodiscus Jaume & Borro, 1946
- Architectonica Röding, 1798 - type genus
- Awarua Mestayer, 1930
- Basisulcata Melone & Taviani, 1985
- †Calodisculus Rehder, 1935
- †Climacopoma Fischer, 1885
- †Dinaxis Dall in Aldrich, 1895
- †Discotectonica Marwick, 1931
- †Disculus Deshayes, 1863
- †Eosolarium Chavan, 1947
- †Ewekorolaxis Adegoke, 1977
- Grandeliacus Iredale, 1957 represented as Heliacus Iredale, 1957
- †Granoheliacus Melone & Taviani, 1985
- †Granosolarium Sacco, 1892
- Gyriscus Tiberi, 1867
- Heliacus d'Orbigny, 1842
- †Intitectonica Frassinetti & Covacevich, 1984
- †Nigerialaxis Adegoke, 1977
- †Nipteraxis Cossmann, 1916
- †Nodosolarium Sacco, 1892
- Paurodiscus Rehder, 1935
- Philippia J. E. Gray, 1847
- †Platylaxis Adegoke, 1977
- Pseudomalaxis P. Fischer, 1885
- †Pseudotorinia Sacco, 1892
- Psilaxis Woodring, 1928
- †Punjabia Eames, 1952
- Pyrgoheliacus Bieler, 1987
- RedivivusMelone & Taviani, 1985
- †Rinaldoconchus Bandel, 1988
- Solatisonax Iredale, 1931
- Spirolaxis di Monterosato, 1913
- †Stellaxis Dall, 1892
- Teretropoma Rochebrune, 1881 represented as Heliacus Rochebrune, 1881
- Torinista Iredale, 1936 represented as Heliacus Iredale, 1936
- †Trimalaxis Garvie, 1996
- †Wangaloa Finlay, 1927
- Zerotula Finlay, 1927
;Genera brought into synonymy:
- Acutitectonica Habe, 1961: synonym of Discotectonica Marwick, 1931
- Astronacus Woodring, 1959: synonym of Heliacus Iredale, 1936
- Claraxis Iredale, 1936: synonym of Granosolarium Sacco, 1892
- Discosolis Dall, 1892: synonym of Pseudomalaxis P. Fischer, 1885
- Mangonuia Mestayer, 1930: synonym of Pseudomalaxis P. Fischer, 1885
- †Patulaxis Dall, 1892: synonym of † Climacopoma Fischer, 1885
- Russetia Garrard, 1961: synonym of Discotectonica Marwick, 1931
- †Solariaxis Dall, 1892 : synonym of Granosolarium Sacco, 1892
- Solarium Lamarck, 1799: synonym of Architectonica Röding, 1798
- Torinia Gray, 1842 : synonym of Heliacus'' d'Orbigny, 1842
