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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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Chaetodiadema granulatum in Bali.
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Prionocidaris baculosa observed in Philippines. Picture (https://commons.wikimedia.org/wiki/File:Prionocidaris_baculosa.jpg?uselang=fr) by Andrey Ryanskiy.
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Echinolampas crassa observed in False Bay, South Africa. Source : iNaturalist observation (https://www.inaturalist.org/observations/33002330).
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Prymnaster investigatoris (dPNG12 2718). Picture : François Michonneau (http://Prymnaster investigatoris dPNG12 2718).
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Haro Strait, British Columbia
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Barkley Sound, British Columbia
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aboral view of an arbaciid sea urchin New Caledonia, NHM Vienna specimen no. 2005z0277/0017
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Image provided by ReefLifeApps (http://reeflifeapps.com)Please inform the author before republishing.
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A, Calcareous ring,: r = radial piece, ir = interradial piece. B, Rods from base of tentacles. C, D Rods from tip of tentacle. E, Rosettes from ventral body wall. F, Rosettes from dorsal body wall. G, Elongated rod-like rosettes from dorsal body wall. H, Rosettes from tip of dorsal papillae. J, Rods from base of dorsal papillae.
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A, Rods from ventral tube feet. B, Rods from longitudinal muscle. C, Rods from cloacal retractor muscles. D, Rods from cloacal wall. E, Rods from gonad.
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A, Rods from tentacle. B, Rosettes from ventral body wall. C, Rosettes from dorsal body wall. D, Spiny, rod-like rosettes from dorsal body wall. E, Rosettes from base of dorsal papillae.
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A, Rods from tip of dorsal papillae. B, Rods from ventral tube feet. C, Central plate from fragmented terminal disc. D, In toto view of fragmented terminal disc. E, Spiny rods from cloacal wall. F, Rods from cloacal retractor muscle. G, Rods from longitudinal muscle. Scale A& F = 50 mm; Scale B,E,G = 10 mm; Scale C = 100 mm; Scale D = 200 mm.
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Actinopyga caerulea sp. nov. as photographed in situ in Comoros (A), Sulawesi (B), Bali (C) and Papua New Guinee (D).(Picture A by D. VandenSpiegel; B by D. Lane; C by R. Myers and D by P. Colins).
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One of the two syntypes of A. bannwarthi Panning, 1944 as deposited in the ZMH (ZMH E. 5902) (A) dorsal view, (B) ventral view.
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Indian Arm, British Columbia, Canada. Shallow subtidal.
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from the northern Mid-Atlantic Ridge
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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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Clypeaster rosaceus (USNM E 14904 (http://echinoderms.lifedesks.org/file-colorboxed/599)), collected from Pointe A Pitre, Rat Island, Grande-Terre, Guadeloupe, Caribbean Sea.
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Eucidaris tribuloides (aboral view), collected off of Piedra de Galera, San Blas, Caribbean coast, Panama. Source : Echinoderms of Panama (http://echinoderms.lifedesks.org/file-colorboxed/217).