Figure 4. Some echinoderm species recorded for Maranhão and Piauí States. <i>Ophiactis lymani</i>, (G) dorsal view.
Gondim A, Dias T, Christoffersen M (2013) Annotated checklist of Echinoderms from Maranhão and Piauí States, Northeastern Brazil. <i>Check List</i> 9(3): 510-518
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