http://thesaurus.bhlscielo.org/vocab/pthttp://thesaurus.bhlscielo.org/vocab/pt?tema=1593Echinozoa http://thesaurus.bhlscielo.org/vocab/pt?tema=1593 Echinodermata BT http://thesaurus.bhlscielo.org/vocab/pt?tema=1593 Holothuroidea NT http://thesaurus.bhlscielo.org/vocab/pt?tema=1593 Echinoidea NT