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''Schizaster'' is a genus of heart urchins belonging to the family Schizasteridae. The type species of the genus is ''Schizaster studeri''. ==Species== Extant and extinct species within this genus include:〔(WoRMS )〕〔(Biolib )〕〔(Fossilworks )〕 * ''Schizaster alcaldei'' Sánchez Roig, 1949 † * ''Schizaster alsiensis'' Maccagno, 1947 † * ''Schizaster altissimus'' Arnold & H. L. Clark, 1927 † * ''Schizaster bathypetalus'' Arnold & H. L. Clark, 1927 † * ''Schizaster beckeri'' Cooke, 1942 † * ''Schizaster brachypetalus'' Arnold & H. L. Clark, 1927 † * ''Schizaster caobaense'' Sánchez Roig, 1949 † * ''Schizaster cojimarensis'' Sánchez Roig, 1949 † * ''Schizaster compactus'' (Koehler, 1914) * ''Schizaster costaricensis'' Durham, 1961 † * ''Schizaster delorenzoi'' Checchia-Rispoli, 1950 † * ''Schizaster doederleini'' (Chesher, 1972) * ''Schizaster dumblei'' Israelsky, 1924 † * ''Schizaster duroensis'' Kier, 1957 † * ''Schizaster dyscritus'' Arnold & H. L. Clark, 1927 † * ''Schizaster edwardsi'' Cotteau, 1889 - * ''Schizaster eopneustes'' Lambert, 1933 † * ''Schizaster excavatus'' Martin, in Jeannet & Martin, 1937 † * ''Schizaster fernandezi'' Sánchez Roig, 1952 † * ''Schizaster floridiensis'' (Kier & Grant, 1965) * ''Schizaster gerthi'' Pijpers, 1933 † * ''Schizaster gibberulus'' L. Agassiz in L. Agassiz & Desor, 1847 * ''Schizaster gigas'' Sánchez Roig, 1953 † * ''Schizaster granti'' Duncan & Sladen, 1883 † * ''Schizaster guirensis'' Sánchez Roig, 1949 † * ''Schizaster habanensis'' Sánchez Roig, 1949 † * ''Schizaster hexagonalis'' Arnold & H. L. Clark, 1927 † * ''Schizaster humei'' Lambert, 1932 † * ''Schizaster hunti'' Kier, 1957 † * ''Schizaster jeanneti'' Martin, in Jeannet & Martin, 1937 † * ''Schizaster karkarensis'' Kier, 1957 † * ''Schizaster kinasaensis'' Morishita, 1953 † * ''Schizaster lacunosus'' (Linnaeus, 1758) * ''Schizaster leprosorum'' Lambert, 1933 † * ''Schizaster llagunoi'' Lambert & Sánchez Roig, in Sánchez Roig, 1949 † * ''Schizaster marci'' Castex, 1930 † * ''Schizaster miyazakiensis'' Morishita, 1956 † * ''Schizaster morlini'' Grant & Hertlein, 1956 † * ''Schizaster moronensis'' Sánchez Roig, 1951 † * ''Schizaster munozi'' Sánchez Roig, 1949 † * ''Schizaster narindensis'' Lambert, 1933 † * ''Schizaster ocalanus'' Cooke, 1942 † * ''Schizaster orbignyanus'' A. Agassiz, 1880 * ''Schizaster ovatus'' (Lindley, 2004) * ''Schizaster pappi'' Thirring, 1936 † * ''Schizaster pentagonalis'' Sánchez Roig, 1953 † * ''Schizaster persica'' Clegg, 1933 † * ''Schizaster portisi'' Serra, 1932 † * ''Schizaster pratti'' Israelsky, 1933 † * ''Schizaster riveroi'' Sánchez Roig, 1952 † * ''Schizaster rojasi'' Sánchez Roig, 1952 † * ''Schizaster rotundatus'' (Döderlein, 1906) * ''Schizaster salutis'' Sánchez Roig, 1949 † * ''Schizaster sanctamariae'' Sánchez Roig, 1949 † * ''Schizaster santanae'' Sánchez Roig, 1949 † * ''Schizaster schlosseri'' Traub, 1938 † * ''Schizaster taiwanicus'' Hayasaka, 1948 † * ''Schizaster vedadoensis'' Sánchez Roig, 1949 † The fossil record of the genus dates back to the Paleocene (age range: 66.043 to 0.012 million years ago). These fossils have been found all over the world.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Schizaster」の詳細全文を読む スポンサード リンク
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