''Mesacmaea'' 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 ...

sea anemone Sea anemones are a group of predation, predatory marine invertebrates of the order (biology), order Actiniaria. Because of their colourful appearance, they are named after the ''Anemone'', a terrestrial flowering plant. Sea anemones are classifi ...

in the family

Haloclavidae Haloclavidae is a family of sea anemones. Members of the family are found worldwide and many live largely buried in soft substrates with only their oral disc and tentacles protruding. Characteristics Members of this family mostly have elongated ...

. Members of this genus typically burrow into soft substrates. The only part of the animal that is normally visible is the oral disc and tentacles which lie flat on the sand in a star shape.Family Haloclavidae
Marine Species Identification Portal. Retrieved 26 October 2018.

Species

The following species are listed by 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 ...

: *'' Mesacmaea chloropsis'' (Agassiz in Verrill, 1864) *'' Mesacmaea laevis'' (Verrill, 1864) *'' Mesacmaea mitchellii'' (Gosse, 1853)

References

Haloclavidae Hexacorallia genera {{actiniaria-stub