| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Heliacus africanus Bartsch, 1915 |
South Africa | ||
| Heliacus areola (Gmelin, 1791) |
Indo-Pacific | ||
| Heliacus asteleformis (Powell, 1965) |
Southwest Pacific | ||
| Heliacus bicanaliculatus (Valenciennes, 1832) |
Southeast Pacific | ||
| Heliacus bisulcatus (d'Orbigny, 1842) |
Beaded sundial | Atlantic Ocean | 1.2 |
| Heliacus caelatus (Hinds, 1844) |
Western Central Pacific | ||
| Heliacus canariensis Nordsieck, 1982 |
Eastern Central Pacific | ||
| Heliacus chiquita Pilsbry & Lowe, 1932 |
Eastern Central Pacific | ||
| Heliacus colmani Garrard, 1977 |
Australia | ||
| Heliacus contextus (Seguenza, 1903) |
Mediterranean Sea | ||
| Heliacus corallinus Garrard, 1977 |
Western Central Pacific | ||
| Heliacus crystallina Nowell-Usticke, 1969 |
Western Central Atlantic | ||
| Heliacus cylindricus (Gmelin, 1791) |
Atlantic cylinder sundial | Atlantic Ocean | 1 |
| Heliacus delphinuloides (d'Orbigny, 1842) |
Western Atlantic | 0.75 | |
| Heliacus discoideus (Pease, 1868) |
Eastern Central Pacific | ||
| Heliacus dorsuosus (Hinds, 1844) |
Western Central Pacific | 1.5 | |
| Heliacus fallaciosus (Tiberi, 1872) |
Mediterranean and Eastern Atlantic Ocean | ||
| Heliacus fenestratus (Hinds, 1844) |
Western Central Pacific | ||
| Heliacus geminus Bieler, 1993 |
Indo-Pacific | ||
| Heliacus hadleyi Garrard, 1977 |
Australia | ||
| Heliacus hyperionis Bieler, 1993 |
Southwest Pacific | ||
| Heliacus implexus (Mighels, 1845) |
Pacific Ocean | ||
| Heliacus infundibuliformis (Gmelin, 1791) |
Channeled sundial | Central Pacific and Western Central Atlantic | |
| Heliacus jeffreysianus (Tiberi, 1867) |
Mediterranean Sea | ||
| Heliacus maorianus Powell, 1934 |
Southwest Pacific | ||
| Heliacus mazatlanicus Pilsbry & Lowe, 1932 |
Eastern Pacific | ||
| Heliacus mighelsi (Philippi, 1853) |
Eastern Central Pacific | ||
| Heliacus nereidis Bieler, 1993 |
Australia | ||
| Heliacus numulus Barnard, 1963 |
South Africa | ||
| Heliacus obolos Barnard, 1963 |
South Africa | ||
| Heliacus oceanitis Bieler, 1993 |
Western Indian Ocean | ||
| Heliacus panamensis Bartsch, 1918 |
Panama | ||
| Heliacus perrieri (Rochebrune, 1881) |
Atlantic Ocean | 1.5 | |
| Heliacus petasus Tomlin, 1928 |
South Africa | ||
| Heliacus planispira Pilsbry & Lowe, 1932 |
Eastern Pacific | ||
| Heliacus proteus Bieler, 1993 |
Western Central Pacific | ||
| Heliacus riisei (Mörch, 1875) |
Western Atlantic | 0.73 | |
| Heliacus rotula Kilburn, 1975 |
South Africa | ||
| Heliacus smithae Kilburn, 1977 |
South Africa | ||
| Heliacus sterkii (Pilsbry & Vanatta, 1908) |
Eastern Central Pacific | ||
| Heliacus trochoides (Deshayes, 1830) |
Indo-Pacific | ||
| Heliacus turritus Bieler, 1987 |
Western Central Pacific | ||
| Heliacus variegatus (Gmelin, 1791) |
Variegated sundial shell | Indo-Pacific | 2 |
| Heliacus worsfoldi Quinn, 1981 |
Western Central Atlantic | 0.73 |