''Arachnanthus'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

of tube-dwelling anemones in the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Arachnactidae Arachnactidae is a family of tube-dwelling anemones in the order Ceriantharia. It is the only family in the monotypic order Penicillaria and comprises around 38 species. They differ from other ceriantharians in the makeup of their cnidome (the ...

. Members of the genus are found worldwide.

Characteristics

''Arachnanthus'' species live in parchment-like tubes which are buried in muddy or sandy sediment. Some species are

nocturnal Nocturnality is a ethology, behavior in some non-human animals characterized by being active during the night and sleeping during the day. The common adjective is "nocturnal", versus diurnality, diurnal meaning the opposite. Nocturnal creatur ...

Species

The following

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

are currently included in the genus according to the

World Register of Marine Species The World Register of Marine Species (WoRMS) is a taxonomic database that aims to provide an authoritative and comprehensive catalogue and list of names of marine organisms. Content The content of the registry is edited and maintained by scien ...

:Molodtsova, T. (2018)
''Arachnanthus'' Carlgren, 1912.
Accessed through: World Register of Marine Species on 2018-09-18 * '' Arachnanthus australiae'' Carlgren, 1937 * '' Arachnanthus bockii'' Carlgren, 1924 * '' Arachnanthus lilith'' Stampar & El Didi, 2018 * ''

Arachnanthus oligopodus ''Arachnanthus'' is a genus of tube-dwelling anemones in the Family (biology), family Arachnactidae. Members of the genus are found worldwide. Characteristics ''Arachnanthus'' species live in parchment-like tubes which are buried in muddy or san ...

'' (Cerfontaine, 1891) * ''

Arachnanthus sarsi ''Arachnanthus sarsi'' is a species of tube-dwelling anemone in the family Arachnactidae. This species is found in the North Atlantic in subtidal sand or muddy sand at depths of 15–130 m. Description This is a large sea anemone, with a di ...

'' Carlgren, 1912 '' Arachnanthus nocturnus'' den Hartog, 1977 is now accepted as '' Isarachnanthus nocturnus'' (Hartog, 1977).

References

Arachnactidae {{anthozoa-stub