Clypeaster, common name "cake urchins" or "sea biscuits", is a genus of echinoderms belonging to the family Clypeasteridae.
Etymology The genus name Clypeaster is derived from the Latin “clypeus” (meaning round shield) and “aster” (meaning star), with reference to the shape of these organisms.
List of species
Clypeaster aloysioi (Brito, 1959) Clypeaster amplificatus Koehler, 1922 Clypeaster annandalei Koehler, 1922 Clypeaster australasiae (Gray, 1851) Clypeaster chesheri Serafy, 1970 Clypeaster cyclopilus H.L. Clark, 1941 Clypeaster durandi (Cherbonnier, 1959b) Clypeaster elongatus H.L. Clark, 1948 Clypeaster euclastus H.L. Clark, 1941 Clypeaster europacificus H.L. Clark, 1914 Clypeaster eurychorius H.L. Clark, 1924 Clypeaster euryptealus H.L. Clark, 1925 Clypeaster fervens Koehler, 1922 Clypeaster humilis (Leske, 1778) Clypeaster isolatus Serafy, 1971 Clypeaster japonicus Döderlein, 1885 Clypeaster kieri Pawson & Phelan, 1979 Clypeaster lamprus H.L. Clark, 1914 Clypeaster latissimus (Lamarck, 1816) Clypeaster leptostracon A. Agassiz & H.L. Clark, 1907 Clypeaster luetkeni Mortensen, 1948 Clypeaster lytopetalus A. Agassiz & H.L. Clark, 1907 Clypeaster microstomus Lambert, 1912 † Clypeaster miniaceus H.L. Clark, 1925 Clypeaster minihagali Deraniyagala, 1956 † Clypeaster nummus Mortensen, 1948 Clypeaster ochrus H.L. Clark, 1914 Clypeaster ohshimensis Ikeda, 1935 Clypeaster oliveirai Krau, 1952 Clypeaster pallidus H.L. Clark, 1914 Clypeaster pateriformis Mortensen, 1948 Clypeaster prostratus (Ravenel, 1845) Clypeaster rangianus Desmoulins, 1835 Clypeaster rarispinus de Meijere, 1903 Clypeaster ravenelii (A. Agassiz, 1869) Clypeaster reticulatus (Linnaeus, 1758) Clypeaster rosaceus (Linnaeus, 1758) Clypeaster rotundus (A. Agassiz, 1863) Clypeaster speciosus Verrill, 1870 Clypeaster subdepressus (Gray, 1825) Clypeaster telurus H.L. Clark, 1914 Clypeaster tumidus (Tension-Woods, 1878) Clypeaster virescens Döderlein, 1885
Gallery
References
Clypeaster Lamarck, 1801 Animal Diversity National History Museum Sepkoski, Jack Sepkoski's Online Genus Database Paleobiology Database