Fig. 15.7 a Sphaerechinus granularis (Lamarck, 1816); b–c Paracentrotus lividus (Lamarck,
1816); d Genocidaris maculata Agassiz, 1869; e Echinocyamus pusillus (Müller, 1776); f, g
Brissus unicolor (Leske, 1778); h Echinocardium cordatum (Pennant, 1777)
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