Diadematidae

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Short description: Family of sea urchins

Diadematidae
Diadema setosum Oman.JPG
Diadema setosum in Oman.
Scientific classification e
Domain: Eukaryota
Kingdom: Animalia
Phylum: Echinodermata
Class: Echinoidea
Order: Diadematoida
Family: Diadematidae
Gray, 1855 [1]

The Diadematidae are a family of sea urchins. Their tests are either rigid or flexible and their spines are long and hollow.[2]

  • 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[3]
  • 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.[4]

Images

  • Astropyga radiata.

  • Centrostephanus longispinus.

  • Chaetodiadema granulatum

  • Diadema setosum.

  • Echinothrix calamaris.

References

  1. ↑ "Diadematidae". Integrated Taxonomic Information System. https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=157867. 
  2. ↑ Maran, Vincent (2010-11-11). "Astropyga radiata (Leske, 1778)" (in fr). DORIS. http://doris.ffessm.fr/fiche2.asp?fiche_numero=1846. 
  3. ↑ "Black Sea Urchin". Museum Victoria. http://portphillipmarinelife.net.au/species/4169. 
  4. ↑ Knight, K. (2009). "Sea Urchins Use Whole Body As Eye". Journal of Experimental Biology 213 (2): i-ii. doi:10.1242/jeb.041715. 
    • Charles Q. Choi (December 28, 2009). "Body of Sea Urchin is One Big Eye". LiveScience (Press release).


Wikidata ☰ Q901480 entry




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Categories: [Diadematidae]

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