Acutitectonica T. Habe, 1961 accepted as Discotectonica Marwick, 1931 (basis of record)
Adelphotectonica Bieler, 1987 (basis of record)
Adelphotectonica kuroharai (Kuroda & Habe, 1961) (basis of record)
Adelphotectonica reevei (Hanley, 1862) (basis of record)
Adelphotectonica uruguaya (Carcelles, 1953) (basis of record)
Aguayodiscus Jaume & Borro, 1946 accepted as Spirolaxis Monterosato, 1913 (basis of record)
Architectonica Röding, 1798 (basis of record)
Architectonica arcana Bieler, 1993 (original description)
Architectonica aspera (Hinds, 1844) accepted as Granosolarium asperum (Hinds, 1844) (basis of record)
Architectonica consobrina Bieler, 1993 (original description)
Architectonica gothica Röding, 1798 accepted as Heliacus (Grandeliacus) stramineus (Gmelin, 1791) represented as Heliacus stramineus (Gmelin, 1791) (source of synonymy)
Architectonica grandiosa Iredale, 1931 (basis of record)
Architectonica gualtierii Bieler, 1993 (original description)
Architectonica karsteni Rutsch, 1934 (basis of record)
Architectonica kochii Dall, 1909 (basis of record)
Architectonica kuroharai Habe, 1961 accepted as Adelphotectonica kuroharai (Kuroda & Habe, 1961) (basis of record)
Architectonica laevigata (Lamarck, 1816) (basis of record)
Architectonica maxima (R. A. Philippi, 1849) (basis of record)
Architectonica modesta (R. A. Philippi, 1849) (basis of record)
Architectonica nobilis Röding, 1798 (basis of record)
Architectonica nobilis karsteni Rutsch, 1934 accepted as Architectonica karsteni Rutsch, 1934 (basis of record)
Architectonica nomotoi Kosuge, 1979 accepted as Adelphotectonica nomotoi (Kosuge, 1979) (basis of record)
Architectonica offlexa Iredale, 1931 accepted as Adelphotectonica reevei (Hanley, 1862) (basis of record)
Architectonica perdix (Hinds, 1844) (basis of record)
Architectonica perspectiva (Linnaeus, 1758) (basis of record)
Architectonica perspectiva fressa Iredale, 1936 accepted as Architectonica perspectiva (Linnaeus, 1758) (basis of record)
Architectonica picta (R. A. Philippi, 1849) accepted as Architectonica maculata (Link, 1807) (basis of record)
Architectonica placentalis (Hinds, 1844) accepted as Discotectonica placentalis (Hinds, 1844) (additional source)
Architectonica purpurata (Hinds, 1844) (basis of record)
Architectonica radialis Dall, 1908 accepted as Solatisonax radialis (Dall, 1908) (basis of record)
Architectonica radiata Röding, 1798 accepted as Psilaxis radiatus (Röding, 1798) (basis of record)
Architectonica reevei (Hanley, 1862) accepted as Adelphotectonica reevei (Hanley, 1862) (basis of record)
Architectonica reevei venusta Kuroda, 1971 accepted as Adelphotectonica reevei (Hanley, 1862) (basis of record)
Architectonica regia (Hanley, 1862) (basis of record)
Architectonica relata Iredale, 1936 accepted as Adelphotectonica reevei (Hanley, 1862) (basis of record)
Architectonica sindermanni (Merrill & Boss, 1984) accepted as Adelphotectonica uruguaya (Carcelles, 1953) (source of synonymy)
Architectonica stellata (R. A. Philippi, 1849) (basis of record)
Architectonica sunderlandi Petuch, 1987 accepted as Adelphotectonica uruguaya (Carcelles, 1953) (source of synonymy)
Architectonica taylori (Hanley, 1862) (basis of record)
Architectonica trochlearis (Hinds, 1844) (basis of record)
Architectonica wroblewskyi Mörch, 1875 accepted as Architectonica nobilis Röding, 1798 (basis of record)
Architectonicidae J. E. Gray, 1850 (additional source)
Astronacus Woodring, 1959 accepted as Heliacus (Torinista) Iredale, 1936 represented as Heliacus A. d'Orbigny, 1842 (basis of record)
Bifrontia zanclaea R. A. Philippi, 1844 accepted as Pseudomalaxis zanclaeus (R. A. Philippi, 1844) (basis of record)
Claraxis Iredale, 1936 accepted as Granosolarium Sacco, 1892 (basis of record)
Claraxis illustris Iredale, 1936 accepted as Granosolarium asperum (Hinds, 1844) (basis of record)
Climacopoma P. Fischer, 1885 † (additional source)
Climacopoma serratomarginata MacNeil, 1961 accepted as Granosolarium mirabile (Schepman, 1909) (basis of record)
Discohelix (Discosolis) retifera Dall, 1892 † represented as Discohelix retifera Dall, 1892 accepted as Pseudotorinia retifera (Dall, 1892) accepted as Pseudotorinia architae-group (basis of record)
Discohelix retifera Dall, 1892 accepted as Pseudotorinia retifera (Dall, 1892) accepted as Pseudotorinia architae-group (basis of record)
Discosolis Dall, 1892 accepted as Pseudomalaxis P. Fischer, 1885 (basis of record)
Discotectonica Marwick, 1931 (basis of record)
Discotectonica acutissima (G. B. Sowerby III, 1914) (basis of record)
Discotectonica discus (R. A. Philippi, 1844) (additional source)
Discotectonica nipponica (Kuroda & Habe, 1971) (basis of record)
Discotectonica petasus (Tomlin, 1928) (basis of record)
Discotectonica placentalis (Hinds, 1844) (basis of record)
Euomphalus radiatus Menke, 1850 accepted as Heliacus (Heliacus) areola bicanaliculatus (Valenciennes, 1832) represented as Heliacus areola bicanaliculatus (Valenciennes, 1832) (basis of record)
Grandeliacus Iredale, 1957 accepted as Heliacus A. d'Orbigny, 1842 (basis of record)
Grandeliacus mortensenae Iredale, 1957 accepted as Heliacus (Grandeliacus) stramineus (Gmelin, 1791) represented as Heliacus stramineus (Gmelin, 1791) (source of synonymy)
Granoheliacus Melone & Taviani, 1985 accepted as Solatisonax Iredale, 1931 (source of synonymy)
Granosolarium Sacco, 1892 (basis of record)
Granosolarium asperum (Hinds, 1844) (basis of record)
Granosolarium elegantissimum (Kuroda & Habe, 1961) (basis of record)
Granosolarium excavatum Bieler, 1993 (original description)
Granosolarium gemmiferum Bieler, 1993 (original description)
Granosolarium mirabile (Schepman, 1909) (basis of record)
Gyriscus Tiberi, 1867 accepted as Heliacus (Gyriscus) Tiberi, 1867 represented as Heliacus A. d'Orbigny, 1842 (basis of record)
Gyriscus asteleformis A. W. B. Powell, 1965 accepted as Heliacus (Gyriscus) asteleformis (A. W. B. Powell, 1965) represented as Heliacus asteleformis (A. W. B. Powell, 1965) (basis of record)
Gyriscus hayashii Shikama, 1970 accepted as Heliacus (Gyriscus) asteleformis (A. W. B. Powell, 1965) represented as Heliacus asteleformis (A. W. B. Powell, 1965) (basis of record)
Gyriscus jeffreysianus Tiberi, 1867 accepted as Heliacus (Gyriscus) jeffreysianus (Tiberi, 1867) represented as Heliacus jeffreysianus (Tiberi, 1867) (basis of record)
Heliacus A. d'Orbigny, 1842 (additional source)
Heliacus (Grandeliacus) Iredale, 1957 represented as Heliacus A. d'Orbigny, 1842 (basis of record)
Heliacus (Grandeliacus) fallaciosus (Tiberi, 1872) represented as Heliacus fallaciosus (Tiberi, 1872) (additional source)
Heliacus (Grandeliacus) stramineus (Gmelin, 1791) represented as Heliacus stramineus (Gmelin, 1791) (basis of record)
Heliacus (Gyriscus) Tiberi, 1867 represented as Heliacus A. d'Orbigny, 1842 (basis of record)
Heliacus (Gyriscus) asteleformis (A. W. B. Powell, 1965) represented as Heliacus asteleformis (A. W. B. Powell, 1965) (basis of record)
Heliacus (Gyriscus) jeffreysianus (Tiberi, 1867) represented as Heliacus jeffreysianus (Tiberi, 1867) (basis of record)
Heliacus (Heliacus) A. d'Orbigny, 1842 represented as Heliacus A. d'Orbigny, 1842 (basis of record)
Heliacus (Heliacus) areola (Gmelin, 1791) represented as Heliacus areola (Gmelin, 1791) (basis of record)
Heliacus (Heliacus) cerdaleus ponderi Garrard, 1978 accepted as Heliacus (Torinista) ponderi Garrard, 1978 represented as Heliacus ponderi Garrard, 1978 (source of synonymy)
Heliacus (Heliacus) cylindricus (Gmelin, 1791) represented as Heliacus cylindricus (Gmelin, 1791) (basis of record)
Heliacus (Heliacus) hedleyi Garrard, 1978 accepted as Heliacus (Torinista) cerdaleus (Melvill & Standen, 1903) represented as Heliacus cerdaleus (Melvill & Standen, 1903) (source of synonymy)
Heliacus (Heliacus) trochoides (Deshayes, 1830) represented as Heliacus trochoides (Deshayes, 1830) (basis of record)
Heliacus (Heliacus) variegatus (Gmelin, 1791) represented as Heliacus variegatus (Gmelin, 1791) (basis of record)
Heliacus (Mangonuia) rotula Kilburn, 1975 accepted as Heliacus (Torinista) rotula Kilburn, 1975 represented as Heliacus rotula Kilburn, 1975 (basis of record)
Heliacus (Mangonuia) smithae Kilburn, 1977 accepted as Pseudomalaxis obolos (Barnard, 1963) (source of synonymy)
Heliacus (Pyrgoheliacus) Bieler, 1987 represented as Heliacus A. d'Orbigny, 1842 (additional source)
Heliacus (Pyrgoheliacus) turritus Bieler, 1987 represented as Heliacus turritus Bieler, 1987 (additional source)
Heliacus (Teretropoma) Rochebrune, 1881 represented as Heliacus A. d'Orbigny, 1842 (basis of record)
Heliacus (Teretropoma) discoideus (Pease, 1868) represented as Heliacus discoideus (Pease, 1868) (basis of record)
Heliacus (Teretropoma) fenestratus (Hinds, 1844) represented as Heliacus fenestratus (Hinds, 1844) (basis of record)
Heliacus (Teretropoma) infundibuliformis (Gmelin, 1791) represented as Heliacus infundibuliformis (Gmelin, 1791) (basis of record)
Heliacus (Teretropoma) infundibuliformis infundibuliformis (Gmelin, 1791) represented as Heliacus infundibuliformis infundibuliformis (Gmelin, 1791) (basis of record)
Heliacus (Teretropoma) infundibuliformis perrieri (Rochebrune, 1881) represented as Heliacus infundibuliformis perrieri (Rochebrune, 1881) (basis of record)
Heliacus (Teretropoma) mighelsi (R. A. Philippi, 1853) represented as Heliacus mighelsi (R. A. Philippi, 1853) (basis of record)
Heliacus (Torinista) Iredale, 1936 represented as Heliacus A. d'Orbigny, 1842 (basis of record)
Heliacus (Torinista) cerdaleus (Melvill & Standen, 1903) represented as Heliacus cerdaleus (Melvill & Standen, 1903) (basis of record)
Heliacus (Torinista) corallinus Garrard, 1978 represented as Heliacus corallinus Garrard, 1978 (basis of record)
Heliacus (Torinista) costatus (Schepman, 1909) represented as Heliacus costatus (Schepman, 1909) (basis of record)

East London for Heliacus numulus Barnard, 1963 
Glorioso part of the Indian Ocean for Pseudotorinia armillata Bieler, 1993  (origin: native - non-endemic)
Gulf of Oman for Spirolaxis rotulacatharinea (Melvill & Standen, 1903) 
Madagascan part of the Mozambique Channel for Heliacus (Torinista) sterkii (Pilsbry & Vanatta, 1908)  (origin: native - non-endemic)
Madagascan part of the Mozambique Channel for Heliacus areola (Gmelin, 1791)  (origin: native - non-endemic)
Madagascan part of the Mozambique Channel for Heliacus corallinus Garrard, 1978  (origin: native - non-endemic)
Madagascan part of the Mozambique Channel for Pseudotorinia amoena (Murdoch & Suter, 1906)  (origin: native - non-endemic)
Madagascan part of the Mozambique Channel for Pseudotorinia kraussi (J. E. Gray), 1850  (origin: native - non-endemic)
Madagascan part of the Mozambique Channel for Pseudotorinia numulus (Barnard, 1963)  (origin: native - non-endemic)
Madagascan part of the Mozambique Channel for Spirolaxis rotulacatharinea (Melvill & Standen, 1903)  (origin: native - non-endemic)
Mascarene Islands for Heliacus areola (Gmelin, 1791)  (origin: native - non-endemic)
Mascarene Islands for Pseudotorinia amoena (Murdoch & Suter, 1906)  (origin: native - non-endemic)
Mascarene Islands for Pseudotorinia numulus (Barnard, 1963)  (origin: native - non-endemic)
Mascarene Islands for Spirolaxis cornuammonis (Melvill & Standen, 1903)  (origin: native - non-endemic)
Mascarene Islands for Spirolaxis rotulacatharinea (Melvill & Standen, 1903)  (origin: native - non-endemic)
Mozambican Exclusive Economic Zone for Heliacus areola (Gmelin, 1791)  (origin: native - non-endemic)
Natal for Adelphotectonica nomotoi (Kosuge, 1979)  (origin: native - non-endemic)
Natal for Architectonica picta (R. A. Philippi, 1849)  (origin: native - non-endemic)
Natal for Granosolarium mirabile (Schepman, 1909)  (origin: native - non-endemic)
Natal for Heliacus (Torinista) sterkii (Pilsbry & Vanatta, 1908)  (origin: native - non-endemic)
Natal for Heliacus corallinus Garrard, 1978  (origin: native - non-endemic)
Natal for Pseudomalaxis zanclaeus meridionalis (Hedley, 1903)  (origin: native - non-endemic)
Natal for Pseudotorinia amoena (Murdoch & Suter, 1906)  (origin: native - non-endemic)
Natal for Pseudotorinia armillata Bieler, 1993  (origin: native - non-endemic)
Natal for Pseudotorinia kraussi (J. E. Gray), 1850  (origin: native - non-endemic)
Natal for Pseudotorinia numulus (Barnard, 1963)  (origin: native - non-endemic)
Natal for Psilaxis oxytropis (A. Adams, 1855)  (origin: native - non-endemic)
Natal for Solatisonax acutecarinata (Thiele, 1925)  (origin: native - non-endemic)
Natal for Solatisonax kilburni Bieler, 1993  (origin: native - endemic)
Natal for Solatisonax rehderi Bieler, 1993  (origin: native - non-endemic)
Natal for Solatisonax supraradiata (E. von Martens, 1904)  (origin: native - non-endemic)
Natal for Spirolaxis cornuammonis (Melvill & Standen, 1903)  (origin: native - non-endemic)
Natal for Spirolaxis rotulacatharinea (Melvill & Standen, 1903)  (origin: native - non-endemic)
Persian Gulf for Pseudomalaxis obolos (Barnard, 1963)  (origin: native - non-endemic)
Persian Gulf for Spirolaxis cornuammonis (Melvill & Standen, 1903)  (origin: native - non-endemic)
Réunion Exclusive Economic Zone for Pseudotorinia armillata Bieler, 1993 
Sri Lankan Exclusive Economic Zone for Heliacus (Torinista) sterkii (Pilsbry & Vanatta, 1908)  (origin: native - non-endemic)
Tosa Bay for Architectonica gualtierii Bieler, 1993 
Tuléar for Heliacus oceanitis Bieler, 1993 

English sundials for Architectonicidae J. E. Gray, 1850

 Nomenclature

 for Solarium perspectiviunculum var. depressum R. A. Philippi, 1853

Non Solarium depressum Grateloup, 1832, nec S. depressum Alth, 1850, nec S. depressum Piette in Terquem & Piette, 1865 [details]

 Taxonomy

 for Architectonica kochii Dall, 1909

New name for Solarium nanum Philippi, 1853, non Grateloup, 1832 [details]

 Taxonomy

 for Heliacus (Torinista) costatus (Schepman, 1909)

Doubtful status. Might be a form of Heliacus (Torinista) caelatus (Hinds, 1844) [details]