Architectonicidae

Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Mollusca
Classis: Gastropoda
Subclassis: Heterobranchia
Infraclassis: "Lower Heterobranchia"
Superfamilia: Architectonicoidea

Familia: Architectonicidae
Genera (12 + 5): Adelphotectonica – Architectonica – Basisulcata – Discotectonica – Granosolarium – Heliacus – Philippia – Pseudomalaxis – Pseudotorinia – Psilaxis – Solatisonax – Spirolaxis – †Climacopoma – †Disculus – †Nipteraxis – †Stellaxis – †Wangaloa

Doubtful status: †Calodisculus – †Dinaxis – †Eosolarium – †Ewekorolaxis – †Intitectonica – †Nigerialaxis – †Nodosolarium – †Platylaxis – †Punjabia – †Rinaldoconchus – †Trimalaxis
Name

Architectonicidae Gray, 1850
Synonyms

Architectomidae J.E. Gray in M. E. Gray, 1850
Heliacidae Cotton & Godfrey, 1933

References
Additional references

Bieler, R. 1993: Architectonicidae of the Indo-Pacific (Mollusca, Gastropoda). [Book review: DOI: 10.1080/13235818.1994.10673661]
Cavallari, D.C., Salvador, R.B. & Simone, L.R.L. 2014. Taxonomical study on the Architectonicidae collected by the Marion Dufresne (MD55) expedition to SE Brazil (Gastropoda, Heterobranchia). Spixiana 37(1): 35–43. Full article (PDF). Reference page.
Bieler, R.; Petit, R.E. 2005: Catalogue of Recent and fossil taxa of the family Architectonicidae Gray, 1850 (Mollusca: Gastropoda). Zootaxa 1101(1): 1–119. DOI: 10.11646/zootaxa.1101.1.1 Open access. ISBN 1-877407-30-5 (paperback) ISBN 1-877407-31-3 (Online edition). Reference page.
Tenório, D.O. et al. 2011: New species of Architectonicidae (Gastropoda Heterobranchia) from northeastern Brazil. Tropical zoology, 24: 173–191. abstract only seen ZooBank

Links

Architectonicidae in the World Register of Marine Species

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:[1][2]
A shell of Heliacus variegatus

Adelphotectonica Bieler, 1987
Aguayodiscus Jaume & Borro, 1946
Architectonica Röding, 1798 - type genus
Awarua Mestayer, 1930[3]
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 (Grandeliacus) Iredale, 1957 (alternate representation)
†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 (Teretropoma) Rochebrune, 1881 (alternate representation)
Torinista Iredale, 1936 represented as Heliacus (Torinista) Iredale, 1936 (alternate representation)
†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 (Torinista) 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

References

"Architectonicidae". Integrated Taxonomic Information System.
Bieler R. & Petit R. E. (2005). "Catalogue of Recent and fossil taxa of the family Architectonicidae Gray, 1850 (Mollusca: Gastropoda)". Zootaxa 1101: 1–119. PDF.

Mestayer (1930). Trans. New Zealand Inst. 61: 145.

Bieler R. (1993). Architectonicidae of the Indo-Pacific (Mollusca, Gastropoda). Abhandlungen des Naturwissenschaftlichen Vereins in Hamburg (NF) 30: 1-376
Bouchet P. & Rocroi J.-P. (2005) Classification and nomenclator of gastropod families. Malacologia 47(1-2): 1-397
Marco Taviani, Revisione delle Architectonicidae del Mediterraneo; Milano, 1984