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Microcyphus rousseaui observed at Dahab (Red Sea), lateral view. Picture from FlickR (https://www.flickr.com/photos/28686493@N08/8198597411/), Creative Commons.
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Toxopneustes pileolus from Sakouli, Mayotte (western Indian ocean).
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Kenya, Gazi Bay, 2014-02-03
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Tripneustes gratilla from Sakouli, Mayotte (western Indian ocean).
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Echinometra lucunter, aboral view. Galeta Point, Caribbean Coast, Panama. Source : Echinoderms of Panama (http://echinoderms.lifedesks.org/file-colorboxed/459).
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An Echinometra mathaei from Mayotte, Indian ocean.
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Image provided by ReefLifeApps (http://reeflifeapps.com)Please inform the author before republishing.
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photographed 16/04/2012 at 1 m depth at Mangrove Bay, south of Al Qusair, Egypt
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Echinostrephus molaris from Mayotte (Indian ocean).
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Heterocentrotus trigonarius from Réunion island (Indian ocean). Picture (https://commons.wikimedia.org/wiki/File:Heterocentrotus_trigonarius_R%C3%A9union.JPG) by Philippe Bourjon.
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Detail of Heterocentrotus trigonarius from Réunion island : this species can be distinguished from its sister taxa from the spatulate (rather than tesselate) secondary spines. Picture (https://commons.wikimedia.org/wiki/File:Heterocentrotus_trigonarius,_d%C3%A9tail.JPG) by Philippe Bourjon.
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Pseudoboletia maculata from Réunion island (Indian ocean). Picture (https://commons.wikimedia.org/wiki/File:Pseudoboletia_maculata_R%C3%A9union.JPG?uselang=fr) by Sébastien Vasquez.
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Toxedo sea urchin (Mespilia globulus) in Indonesia. Picture from FlickR (https://www.flickr.com/photos/silkebaron/14524851508/), Creative Commons.
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Barkley Sound, British Columbia
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Lytechinus variegatus, Galeta Point, Caribbean Coast, Panama. ID & Photographer : Simon E. Coppard (http://echinoderms.lifedesks.org/gallery?page=10).
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Lytechinus variegatus, aboral view, green and white colour morphs. Collected in the Thalassia sp. beds of the lagoon at Carrie Bow Cay, Belize, Caribbean. Source : Echinoderms of Panama (http://echinoderms.lifedesks.org/file-colorboxed/85).
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aboral view from Fell, H. B. 1958. Deep-Sea Echinoderms of New Zealand. Zoology Publications from Victoria University of Wellington 24, 1-40.
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ambulacral and interambulacral plate details from Fell, H. B. 1958. Deep-Sea Echinoderms of New Zealand. Zoology Publications from Victoria University of Wellington 24, 1-40.
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Kina urchins (Evechinus chloroticus), South East Bay, Manawa Tawhi Three Kings Islands (New Zealand). Picture by Peter Southwood (https://commons.wikimedia.org/wiki/User:Pbsouthwood).
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Lytechinus williamsi (with white globiferous pedicellariae) photographed in Bocas del Toro (Centroid Latitude: 9.35118, Centroid Longitude: 9.35118), Panama, Caribbean Sea. Photographer: Simona Augyte.
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Lytechinus williamsi (aboral view), collected from Pelican Cay, near Carrie Bow Cay, Belize, Caribbean.
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Echinometra viridis, aboral view. Bocas del Toro, Caribbean Coast, Panama. Source : Echinoderms of Panama (http://echinoderms.lifedesks.org/file-colorboxed/350).
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Lytechinus variegatus carolinus, Florida, West Palm Beach, Nov. 2019, found at Phil Foster Park in a depth of approximately 3 m.
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Amblypneustes ovum, lateral view. Picture from Museum Victoria (https://collections.museumvictoria.com.au/species/14313) (original distribution : South-eastern Australia).