Sea Urchins (Echinoidea)
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All sea urchins are benthic, and the majority of species feed on algae. There are ca. 950 species grouped in ten orders.


Diadematidae (Long-spined Urchins)
Long-spined Urchin (Diadema antillarum)
Echinometridae (Sea Urchins)
Rock Boring Urchin (Echinometra cf. lucunter)
Reef Urchin (Echinometra viridis)
Toxopneustidae (Globular Urchins)
Variegated Sea Urchin (Lytechinus variegatus)
West Indian Sea Egg (Tripneustes ventricosus)
Brissidae (Heart Urchins)
Red Heart Urchin (Meoma ventricosa)
Cidaridae (Cidaroid Sea Urchins)
Slate-pencil Urchin (Eucidaris tribuloides)



























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