page_title: Cidaridae
section_title: Genera
hierarchical_section_title: Cidaridae / Genera
caption_attribution_description: Français&#160;: Radioles de Cidaridae (différentes espèces, MNHN).
context_page_description: Cidaridae is a family of sea urchins in the order Cidaroida.
context_section_description: According to the World Register of Marine Species (WoRMS), the following genera are included in this family 
  Subfamily Cidarinae (Mortensen, 1928a)
  Genus Calocidaris (H.L. Clark, 1907)
  Genus Centrocidaris (A. Agassiz, 1904)
  Genus Chondrocidaris (A. Agassiz, 1863)
  Genus Chorocidaris (Ikeda, 1941)
  Genus Cidaris (Leske, 1778)
  Genus Compsocidaris (Ikeda, 1939)
  Genus Eucidaris (Pomel, 1883)
  Genus Hesperocidaris (Mortensen, 1928b)
  Genus Kionocidaris (Mortensen, 1932)
  Genus Lissocidaris (Mortensen, 1939)
  Genus Tretocidaris (Mortensen, 1903b)
  Subfamily Goniocidarinae (Mortensen, 1928a)
  Genus Austrocidaris (H.L. Clark, 1907)
  Genus Goniocidaris (Desor, in Agassiz & Desor, 1846)
  Genus Ogmocidaris (Mortensen, 1921)
  Genus Psilocidaris (Mortensen, 1927)
  Genus Rhopalocidaris (Mortensen, 1927)
  Genus Schizocidaris (Mortensen, 1903b)
  Genus Adelcidaris (Cotton & Godfrey, 1942) (nomen dubium)
  Tribe Phyllacanthina (Smith & Wright, 1989)
  Genus Phyllacanthus (Brandt, 1835)
  Sub-family Stereocidarinae (Lambert, 1900)
  Genus Phalacrocidaris (Lambert, 1902)
  Genus Stereocidaris (Pomel, 1883)
  Subfamily Stylocidarinae (Mortensen, 1903)
  Genus Acanthocidaris (Mortensen, 1903b)
  Genus Plococidaris (Mortensen, 1909)
  Genus Prionocidaris (A. Agassiz, 1863)
  Genus Stylocidaris (Mortensen, 1909)
  A now abandoned genus, Cidarites was used in the late 18th and early 19th century to describe a number of species of both cidarid and echid sea urchins.
caption: Primary spines from the family Cidaridae
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