Species under Heliacus
n= 38
Species name Common name Distribution Max. Length (cm)
Heliacus africanus
Bartsch, 1915
South Africa
Heliacus asteleformis
(Powell, 1965)
Southwest 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 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 Western Central Pacific and Western Atlantic Ocean
Heliacus jeffreysianus
(Tiberi, 1867)
Mediterranean Sea
Heliacus maorianus
Powell, 1934
Southwest Pacific
Heliacus mazatlanicus
Pilsbry & Lowe, 1932
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 Central 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 turritus
Bieler, 1987
Western Central Pacific
Heliacus variegatus
(Gmelin, 1791)
variegated sundial shell Indo-West Pacific 2
Heliacus worsfoldi
Quinn, 1981
Western Central Atlantic 0.73
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