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Diadematidae

The Diadematidae are a family of sea urchins. Their tests are either rigid or flexible and their spines are long and hollow.

  • Astropyga ( Gray, 1825)
    • Astropyga radiata ( Leske, 1778), extant
    • Astropyga pulvinata ( Lamarck, 1816), extant
    • Astropyga magnifica ( Clark, 1934), extant
  • Centrostephanus ( Peters, 1855)
    • Centrostephanus asteriscus ( Agassiz & Clark, 1907), extant
    • Centrostephanus coronatus ( Verrill, 1867), extant
    • Centrostephanus fragile ( Wiltshire in Wright, 1882), Santonian, Maastrichtian, Danian
    • Centrostephanus longispinus ( Philippi, 1845), extant
    • Centrostephanus nitidus ( Koehler, 1927), extant
    • Centrostephanus rodgersii ( Agassiz, 1863), extant
  • Chaetodiadema ( Mortensen, 1903)
    • Chaetodiadema granulatum ( Mortensen, 1903), extant
    • Chaetodiadema keiense ( Mortensen, 1903), extant
    • Chaetodiadema tuberculatum ( Clark, 1909), extant
  • Diadema ( Humpfreys, 1797)
    • Diadema palmeri ( Baker, 1967), extant
    • Diadema savignyi ( Audouin, 1829), extant
    • Diadema setosum ( Leske, 1778), extant
    • Diadema antillarum ( Philippi, 1845), extant
    • Diadema paucispinum ( Agassiz, 1863), extant
    • Diadema mexicanum ( Agassiz, 1863), extant
    • Diadema ascensionis ( Mortensen, 1909), extant
  • Echinodiadema ( Verrill, 1867)
    • Echinodiadema coronata ( Verrill, 1867), extant
  • Echinothrix ( Peters, 1853)
    • Echinothrix calamaris ( Pallas, 1774), extant
    • Echinothrix diadema ( Linnaeus, 1758), extant
  • Eodiadema, Lower Jurassic
  • Eremopyga ( Agassiz & Clark, 1908)
    • Eremopyga denudata ( De Meijere, 1904), extant
  • Goniodiadema ( Mortensen, 1939)
    • Goniodiadema mauritiense ( Mortensen, 1939), extant
  • Kamptosoma ( Mortensen, 1903), extant
  • Palaeodiadema ( Pomel, 1887), Santonian, Maastrichtian, Danian
  • Pedinothuria ( Louis, 1897)
    • Pedinothuria cidaroides ( Gregory, 1897), Callovian, Oxfordian
  • Trichodiadema ( Agassiz, 1863)
    • Trichodiadema rodgersii ( Agassiz, 1863), extant

radiata2.jpg| Astropyga radiata. longispinus.jpg| Centrostephanus longispinus. setosum (Kenya).JPG| Diadema setosum. | Echinothrix calamaris.