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Diadematidae 
Summary
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
| Diadematidae | |
|---|---|
| |
| Diadema setosum in Oman. | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Echinoidea |
| Order: | Diadematoida |
| Family: | Diadematidae Gray, 1855 [1] |
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
References edit
- ^ "Diadematidae". Integrated Taxonomic Information System.
- ^ Maran, Vincent (2010-11-11). "Astropyga radiata (Leske, 1778)". DORIS (in French). Retrieved 2013-01-22.
- ^ "Black Sea Urchin". Museum Victoria. Retrieved 2011-05-13.
- ^ 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