Diadematidae

Family of sea urchins

Diadematidae

Diadema setosum in Oman.
Scientific classification
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[edit]

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[edit]

* Astropyga radiata.

* Centrostephanus longispinus.

* Chaetodiadema granulatum

* Diadema setosum.

* Echinothrix calamaris.

## References[edit]

1. ^ "Diadematidae". Integrated Taxonomic Information System.
2. ^ Maran, Vincent (2010-11-11). "Astropyga radiata (Leske, 1778)". DORIS (in French). Retrieved 2013-01-22.
3. ^ "Black Sea Urchin". Museum Victoria. Retrieved 2011-05-13.
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).

Media related to Diadematidae at Wikimedia Commons

Taxon identifiers|

* Wikidata: Q901480
* Wikispecies: Diadematidae
* ADW: Diadematidae
* AFD: Diadematidae
* BOLD: 84358
* CoL: 7NH69
* EoL: 1987
* Fossilworks: 168407
* GBIF: 9631
* iNaturalist: 48793
* IRMNG: 100942
* ITIS: 157867
* NBN: NHMSYS0000066008
* NCBI: 31173
* NZOR: 16b0fea9-50cf-43cc-a92e-894e2139d361
* Plazi: C4255B09-4E3F-FFE1-FF55-1F61FE7FFB08
* uBio: 5517988
* WoRMS: 123163

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