Histocidaris
Histocidaris is a genus of sea urchins in the family Histocidaridae. Some species are known from the fossil record.
Species
Histocidaris acutispina Mortensen, 1927Histocidaris australiae Mortensen, 1928Histocidaris carinata Mortensen, 1928Histocidaris cobosi Histocidaris crassispina Mortensen, 1928Histocidaris denticulata Koehler, 1927Histocidaris elegans Histocidaris formosa Mortensen, 1928Histocidaris geneffensis Lambert, 1932 †Histocidaris longicollis Hoggett & Rowe, 1986Histocidaris magnifica Mortensen, 1928Histocidaris mckayi Fell, 1954 †Histocidaris misakiensis Histocidaris nuttingi Mortensen, 1926Histocidaris oranensis Lambert, 1931 †Histocidaris purpurata Histocidaris recurvata Mortensen, 1928Histocidaris sharreri