Some species of the order Valvatida recorded in northeastern Brazil. Asterinides folium (A–E)A Abactinal view, in detail the superomarginal figs B Actinal view, in detail actinal internidate area C Detail the abactinal intermediate are D Actinal view of the arm E Detail of the mouth; Mithrodia clavigera (F–I)F Abactinal view G Actinal view, in detail the mouth H Abactinal view of the arm, in detail a spine, and I Actinal view of the arm.