Corymorphidae is a family of hydroid cnidarians. For long placed in a presumed superfamily or infraorder Tubulariida of suborder Capitata, they are actually close relatives of the Hydridae and are now united with these and a number of relatives in a newly recognized suborder Aplanulata.Schuchert, P. (2013). Corymorphidae Allman, 1872. In: Schuchert, P. (2018). World Hydrozoa Database. Accessed through: World Register of Marine Species on 2018-02-03. Most, if not all species in this family grow on stalks and resemble small flowers.
According to the World Register of Marine Species, the following genera are contained in this family: Branchiocerianthus Mark, 1898 Corymorpha M. Sars, 1835 Euphysa Forbes, 1848 Euphysilla Kramp, 1955 Gymnogonos Bonnevie, 1898 Hataia Hirai & Yamada, 1965 Octovannuccia Xu, Huang & Lin, 2010 Paraeuphysilla Xu, Huang & Go, 2011 Paragotoea Kramp, 1942 Pinushydra Bouillon & Grohmann, 1990 Siphonohydra Salvini-Plawen, 1966
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