Schizaster

Schizaster is a genus of heart urchins belonging to the family Schizasteridae. The type species of the genus is Schizaster studeri.

Schizaster
Temporal range: Paleocene - Recent
Fossil of Schizaster species from Italy
Scientific classification
Kingdom:
Animalia
Phylum:
Echinodermata
Class:
Echinoidea
Order:
Spatangoida
Family:
Schizasteridae
Genus:
Schizaster
Synonyms
  • Aplospatangus Lambert 1907
  • Brachybrissus Pomel 1883

Species

Extant and extinct species within this genus include:[1][2][3]

  • 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.[3]

References
  1. WoRMS
  2. Biolib
  3. Fossilworks
  • Cyril Walker & David Ward (1993) - Fossielen: Sesam Natuur Handboeken, Bosch & Keuning, Baarn. ISBN 90-246-4924-2


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