''Arachnanthus'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

of tube-dwelling anemones in the

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

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 t ...

. 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 an animal behavior characterized by being active during the night and sleeping during the day. The common adjective is "nocturnal", versus diurnal meaning the opposite. Nocturnal creatures generally have highly developed sens ...

Species

The following

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

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 list of names of marine organisms. Content The content of the registry is edited and maintained by scientific specialist ...

: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'' (Cerfontaine, 1891) * '' Arachnanthus sarsi'' Carlgren, 1912 '' Arachnanthus nocturnus'' den Hartog, 1977 is now accepted as '' Isarachnanthus nocturnus'' (Hartog, 1977). Arachnanthus nocturnus, Koh Phangan

References

Arachnactidae {{anthozoa-stub