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)
Architectonica Röding, 1798 (basis of record)
Architectonica arcana Bieler, 1993 (original description)
Architectonica consobrina Bieler, 1993 (original description)
Architectonica grandiosa Iredale, 1931 (basis of record)
Architectonica gualtierii Bieler, 1993 (original description)
Architectonica karsteni Rutsch, 1934 (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 perdix (Hinds, 1844) (basis of record)
Architectonica perspectiva (Linnaeus, 1758) (basis of record)
Architectonica purpurata (Hinds, 1844) (basis of record)
Architectonica stellata (R. A. Philippi, 1849) (basis of record)
Architectonica taylori (Hanley, 1862) (basis of record)
Architectonica trochlearis (Hinds, 1844) (basis of record)
Architectonicidae J. E. Gray, 1850 (additional source)
Climacopoma P. Fischer, 1885 † (additional source)
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)
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)
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) cylindricus (Gmelin, 1791) represented as Heliacus cylindricus (Gmelin, 1791) (basis of record)
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 (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)
Heliacus (Torinista) enoshimensis (Melvill, 1891) represented as Heliacus enoshimensis (Melvill, 1891) (basis of record)
Heliacus (Torinista) geminus Bieler, 1993 represented as Heliacus geminus Bieler, 1993 (original description)
Heliacus (Torinista) hyperionis Bieler, 1993 represented as Heliacus hyperionis Bieler, 1993 (original description)
Heliacus (Torinista) implexus (Mighels, 1845) represented as Heliacus implexus (Mighels, 1845) (basis of record)
Heliacus (Torinista) madurensis (Schepman, 1909) represented as Heliacus madurensis (Schepman, 1909) (basis of record)
Heliacus (Torinista) mazatlanicus Pilsbry & H. N. Lowe, 1932 represented as Heliacus mazatlanicus Pilsbry & H. N. Lowe, 1932 (basis of record)
Heliacus (Torinista) nereidis Bieler, 1993 represented as Heliacus nereidis Bieler, 1993 (original description)
Heliacus (Torinista) oceanitis Bieler, 1993 represented as Heliacus oceanitis Bieler, 1993 (original description)
Heliacus (Torinista) planispira Pilsbry & H. N. Lowe, 1932 represented as Heliacus planispira Pilsbry & H. N. Lowe, 1932 (basis of record)
Heliacus (Torinista) ponderi Garrard, 1978 represented as Heliacus ponderi Garrard, 1978 (basis of record)
Heliacus (Torinista) proteus Bieler, 1993 represented as Heliacus proteus Bieler, 1993 (original description)
Heliacus (Torinista) rotula Kilburn, 1975 represented as Heliacus rotula Kilburn, 1975 (basis of record)
Heliacus (Torinista) sterkii (Pilsbry & Vanatta, 1908) represented as Heliacus sterkii (Pilsbry & Vanatta, 1908) (basis of record)
Heliacus (Torinista) virgatus (Hinds, 1844) represented as Heliacus virgatus (Hinds, 1844) (basis of record)
Heliacus areola (Gmelin, 1791) (basis of record)
Heliacus areola areola (Gmelin, 1791) (basis of record)
Heliacus caelatus (Hinds, 1844) (basis of record)
Heliacus cylindricus (Gmelin, 1791) (additional source)
Heliacus implexus (Mighels, 1845) (taxonomy source)
Heliacus jeffreysianus (Tiberi, 1867) (additional source)
Heliacus mazatlanicus Pilsbry & H. N. Lowe, 1932 (basis of record)
Heliacus planispira Pilsbry & H. N. Lowe, 1932 (basis of record)
Philippia hybrida (Linnaeus, 1758) (additional source)
Philippia japonica (Pilsbry & Stearns, 1895) (basis of record)
Philippia lutea (Lamarck, 1822) (basis of record)
Pseudomalaxis P. Fischer, 1885 (basis of record)
Pseudomalaxis obolos (Barnard, 1963) (basis of record)
Pseudomalaxis zanclaeus meridionalis (Hedley, 1903) (basis of record)
Pseudomalaxis zanclaeus zanclaeus (R. A. Philippi, 1844) (additional source)
Pseudotorinia amoena (Murdoch & Suter, 1906) (basis of record)
Pseudotorinia architae (O. G. Costa, 1841) (basis of record)
Pseudotorinia architae-group (basis of record)
Pseudotorinia armillata Bieler, 1993 (original description)
Pseudotorinia colmani (Garrard, 1978) (basis of record)
Pseudotorinia concava (Thiele, 1925) (basis of record)
Pseudotorinia delectabilis (Melvill, 1893) (basis of record)
Pseudotorinia gemmulata (Thiele, 1925) (basis of record)

English sundials for Architectonicidae J. E. Gray, 1850