''Heliacus'' is a genus of
gastropods
Gastropods (), commonly known as slugs and snails, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda ().
This class comprises snails and slugs from saltwater, freshwater, and from the land. Ther ...
belonging to the family
Architectonicidae
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 † Amphit ...
.
The genus has
cosmopolitan distribution
In biogeography, a cosmopolitan distribution is the range of a taxon that extends across most or all of the surface of the Earth, in appropriate habitats; most cosmopolitan species are known to be highly adaptable to a range of climatic and en ...
.
Species:
*''
Heliacus anaglyptus''
*''
Heliacus areola
''Heliacus'' is a genus of gastropods belonging to the family Architectonicidae.
The genus has cosmopolitan distribution.
Species:
*''Heliacus anaglyptus''
*''Heliacus areola''
*''Heliacus asteleformis''
*''Heliacus bisulcatus''
*''Heliacu ...
''
*''
Heliacus asteleformis''
*''
Heliacus bisulcatus''
*''
Heliacus caelatus''
*''
Heliacus cerdaleus''
*''
Heliacus corallinus''
*''
Heliacus costatus''
*''
Heliacus cylindricus''
*''
Heliacus darraghi''
*''
Heliacus discoideus''
*''
Heliacus enoshimensis''
*''
Heliacus fallaciosus''
*''
Heliacus fenestratus''
*''
Heliacus geminus
''Heliacus'' is a genus of gastropods belonging to the family Architectonicidae.
The genus has cosmopolitan distribution.
Species:
*'' Heliacus anaglyptus''
*''Heliacus areola
''Heliacus'' is a genus of gastropods belonging to the family A ...
''
*''
Heliacus hyperionis''
*''
Heliacus imperfectus''
*''
Heliacus implexus''
*''
Heliacus infundibuliformis
''Heliacus'' is a genus of gastropods belonging to the family Architectonicidae.
The genus has cosmopolitan distribution.
Species:
*'' Heliacus anaglyptus''
*''Heliacus areola''
*'' Heliacus asteleformis''
*'' Heliacus bisulcatus''
*'' Hel ...
''
*''
Heliacus jeffreysianus
''Heliacus'' is a genus of gastropods belonging to the family Architectonicidae.
The genus has cosmopolitan distribution.
Species:
*'' Heliacus anaglyptus''
*''Heliacus areola''
*'' Heliacus asteleformis''
*'' Heliacus bisulcatus''
*'' Hel ...
''
*''
Heliacus madurensis
''Heliacus'' is a genus of gastropods belonging to the family Architectonicidae.
The genus has cosmopolitan distribution.
Species:
*'' Heliacus anaglyptus''
*''Heliacus areola''
*'' Heliacus asteleformis''
*'' Heliacus bisulcatus''
*'' Hel ...
''
*''
Heliacus malani
''Heliacus'' is a genus of gastropods belonging to the family Architectonicidae.
The genus has cosmopolitan distribution.
Species:
*'' Heliacus anaglyptus''
*''Heliacus areola''
*'' Heliacus asteleformis''
*'' Heliacus bisulcatus''
*'' Hel ...
''
*''
Heliacus mazatlanicus
''Heliacus'' is a genus of gastropods belonging to the family Architectonicidae.
The genus has cosmopolitan distribution.
Species:
*'' Heliacus anaglyptus''
*''Heliacus areola''
*'' Heliacus asteleformis''
*'' Heliacus bisulcatus''
*'' Hel ...
''
*''
Heliacus mighelsi
''Heliacus'' is a genus of gastropods belonging to the family Architectonicidae.
The genus has cosmopolitan distribution.
Species:
*'' Heliacus anaglyptus''
*''Heliacus areola''
*'' Heliacus asteleformis''
*'' Heliacus bisulcatus''
*'' Hel ...
''
*''
Heliacus miser
''Heliacus'' is a genus of gastropods belonging to the family Architectonicidae.
The genus has cosmopolitan distribution.
Species:
*'' Heliacus anaglyptus''
*''Heliacus areola''
*'' Heliacus asteleformis''
*'' Heliacus bisulcatus''
*'' Hel ...
''
*''
Heliacus nereidis
''Heliacus'' is a genus of gastropods belonging to the family Architectonicidae.
The genus has cosmopolitan distribution.
Species:
*'' Heliacus anaglyptus''
*''Heliacus areola''
*'' Heliacus asteleformis''
*'' Heliacus bisulcatus''
*'' Hel ...
''
*''
Heliacus oceanitis
''Heliacus'' is a genus of gastropods belonging to the family Architectonicidae.
The genus has cosmopolitan distribution.
Species:
*'' Heliacus anaglyptus''
*''Heliacus areola''
*'' Heliacus asteleformis''
*'' Heliacus bisulcatus''
*'' Hel ...
''
*''
Heliacus otwayanus
''Heliacus'' is a genus of gastropods belonging to the family Architectonicidae.
The genus has cosmopolitan distribution.
Species:
*'' Heliacus anaglyptus''
*''Heliacus areola''
*'' Heliacus asteleformis''
*'' Heliacus bisulcatus''
*'' Hel ...
''
*''
Heliacus planispira''
*''
Heliacus ponderi''
*''
Heliacus proteus''
*''
Heliacus reticulatus''
*''
Heliacus rotula''
*''
Heliacus sterkii''
*''
Heliacus stramineus''
*''
Heliacus taverai''
*''
Heliacus trochoides''
*''
Heliacus turritus''
*''
Heliacus variegatus''
*''
Heliacus verdensis''
*''
Heliacus virgatus''
*''
Heliacus willianseverii''
*''
Heliacus worsfoldi''
References
{{Taxonbar, from=Q3739823
Architectonicidae
Taxa described in 1842