26 scientific names found with following ranks: Genus, Species, Subgenus
Scientific Names:
Genus
· Hydractinia Van Beneden, 1844
Species
· Hydractinia (Stylactis) ingolfi Kramp, 1932
· Hydractinia aculeata (Wagner, 1833)
· Hydractinia allmanii Bonnevie, 1898
· Hydractinia arctica (Jäderholm, 1902)
· Hydractinia areolata Alder, 1862
· Hydractinia borealis (Mayer, 1900)
· Hydractinia calderi Bouillon, Medel & Peña Cantero, 1997
· Hydractinia carica Bergh, 1887
· Hydractinia carnea (M. Sars, 1846)
· Hydractinia claviformis (Bouillon, 1965)
· Hydractinia echinata (Fleming, 1828)
· Hydractinia exigua (Haeckel, 1880)
· Hydractinia fucicola (Sars, 1857)
· Hydractinia fuciola (M. Sars, 1857)
· Hydractinia hooperii (Sigerfoos, 1899)
· Hydractinia humilis Bonnevie, 1898
· Hydractinia inermis (Allman, 1872)
· Hydractinia ingolfi (Kramp, 1932)
· Hydractinia monocarpa Allman, 1876
· Hydractinia ornata Bonnevie, 1899
· Hydractinia proboscidea (Hincks, 1868)
· Hydractinia pruvoti Motz-Kossowska, 1905
· Hydractinia sarsii (Steenstrup, 1850)
· Hydractinia serrata Kramp, 1943
Subgenus
· Hydractinia (Stylactis) Allman, 1864

