Henricia is a large genus of slender-armed sea stars belonging to the family Echinasteridae. It contains about fifty species. The sea stars from this genus are ciliary suspension-feeders, filtering phytoplankton.

Species

According to the World Register of Marine Species (WoRMS), 99 species belong to this genus • Henricia abyssalis Mortensen, 1933 • Henricia alexyi Chichvarkhin & Chichvarkhina, 2017 • Henricia ambigua Djakonov, 1958 • Henricia angusta Djakonov, 1961 • Henricia aniva Djakonov, 1958 • Henricia anomala Hayashi, 1973 • Henricia antillarum Perrier, 1881 • Henricia arcystata Fisher, 1917 • Henricia aspera Fisher, 1906 • Henricia asthenactis Fisher, 1910 • Henricia aucklandiae Mortensen, 1925 • Henricia beringiana Djakonov, 1950 • Henricia caudani (Koehler, 1895) • Henricia clarki Fisher, 1910 • Henricia compacta (Sladen, 1889) • Henricia cylindrella (Sladen, 1883) • Henricia densispina (Sladen, 1878) • Henricia derjugini Djakonov, 1950 • Henricia diffidens (Koehler, 1923) • Henricia djakonovi Chichvarkhin, 2017 • Henricia downeyae A.M. Clark, 1987 • Henricia dyscrita Fisher, 1911 • Henricia echinata Clark & Jewett, 2010 • Henricia elachys Clark & Jewett, 2010 • Henricia elegans Djakonov, 1950 • Henricia epiphysialis Ubagan, Lee, Kim & Shin, 2020 • Henricia eschrichti (Müller & Troschel, 1842) • Henricia exigua Hayashi, 1940 • Henricia fisheri A.M. Clark, 1962 • Henricia fragilis Kobayashi, Kohtsuka & Fujita, 2021 • Henricia gemma Clark & Jewett, 2010 • Henricia gracilis (Ludwig, 1905) • Henricia granulifera Djakonov, 1958 • Henricia hayashii Djakonov, 1961 • Henricia hedingi Madsen, 1987 • Henricia imitatrix Djakonov, 1961 • Henricia inexpectata Djakonov, 1961 • Henricia insignis Clark & Jewett, 2010 • Henricia iodinea Clark & Jewett, 2010 • Henricia irregularis Hayashi, 1940 • Henricia kapalae Rowe & Albertson, 1987 • Henricia kinkasana Hayashi, 1940 • Henricia kurilensis Djakonov, 1958 • Henricia leviuscula (Stimpson, 1857) • Henricia lineata Clark & Jewett, 2010 • Henricia lisa A.H. Clark, 1949 • Henricia longispina Fisher, 1910 • Henricia lukinsii (Farquhar, 1898) • Henricia margarethae Kobayashi, Kohtsuka & Fujita, 2021 • Henricia microplax Fisher, 1917 • Henricia minuta (Bell, 1882) • Henricia mutans (Koehler, 1909) • Henricia nana (Ludwig, 1905) • Henricia nipponica Uchida, 1928 • Henricia obesa (Sladen, 1889) • Henricia ochotensis Djakonov, 1950 • Henricia oculata (Pennant, 1777) • Henricia olga Chichvarkhin, 2017 • Henricia ohshimai Hayashi, 1935 • Henricia orientalis Djakonov, 1950 • Henricia ornata (Perrier, 1869) • Henricia pachyderma Hayashi, 1940 • Henricia pacifica Hayashi, 1940 • Henricia pagenstecheri (Studer, 1885) • Henricia palaspina Hopkins, 1967 (nomen nudum, Undescribed) • Henricia parva Koehler, 1912 • Henricia pauperrima Fisher, 1906 • Henricia perforata (O.F. Müller, 1776) • Henricia pertusa (O.F. Müller, 1776) • Henricia polyacantha Fisher, 1906 • Henricia praestans (Sladen, 1889) • Henricia pseudoleviuscula Djakonov, 1958 • Henricia pumila Eernisse, Strathmann & Strathmann, 2010 • Henricia ralphae Fell, 1958 • Henricia reniossa Hayashi, 1940 • Henricia retecta A.M. Clark & Courtman-Stock, 1976 • Henricia reticulata Hayashi, 1940 • Henricia rhytisma Clark & Jewett, 2010 • Henricia robusta Fisher, 1906 • Henricia sachalinica Djakonov, 1958 • Henricia saghaliensis Hayashi, 1940 • Henricia sanguinolenta (O.F. Müller, 1776) • Henricia seminudus (A.H. Clark, 1916) • Henricia sexradiata (Perrier, 1881) • Henricia simplex (Sladen, 1889) • Henricia singularis Djakonov, 1961 • Henricia skorikovi Djakonov, 1950 • Henricia smilax (Koehler, 1920) • Henricia solida Djakonov, 1950 • Henricia spinulfera (E. A. Smith, 1876) • Henricia spongiosa (O. Fabricius, 1780) • Henricia studeri Perrier, 1891 • Henricia sufflata (Sladen, 1889) • Henricia tacita Djakonov, 1958 • Henricia tahia McKnight, 1973 • Henricia tumida Verrill, 1914 • Henricia uluudax Clark & Jewett, 2010 • Henricia venturana Durham & Roberts, 1948 † • Henricia vermilion Clark & Jewett, 2010

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