Image of echinoderms

Description:

Figure 3.Some species of the family Luidiidae recorded in northeastern Brazil. Luidia alternata alternata (A–D). A Abactinal view, in detail the paxilla B Actinal view, in detail the pedicellariae C Abactinal view of the arm D Actinal view of the arm; Luidia clathrata (E–H) E Abactinal view F Actinal view, in detail the mouth G Abactinal view of the arm, in detail the paxilla, and H Actinal view of the arm.