• Source: 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 Gray, 1825
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




Senses


Like other sea urchins diadematids are sensitive to touch, light, and chemicals; additionally they do have eyes (eye spots) which is in contrast to other sea urchins. Because of this they can follow a threat with their spines.




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References



Media related to Diadematidae at Wikimedia Commons

Kata Kunci Pencarian:

• Diadematoida
• Landak laut
• Diadematidae
• Diadema setosum
• Astropyga radiata
• Diadema antillarum
• Sea urchin
• Echinothrix calamaris
• Centrostephanus rodgersii
• Largest and heaviest animals
• Echinothrix diadema
• Diadema mexicanum