
Fig. 3.90. (D) Oral surface of a cushion star (Culcita novaeguineae) with ambulacral grooves visible
Image courtesy of Lyle Vail, Gaia Guide
Fig. 3.90. (D) Oral surface of a cushion star (Culcita novaeguineae) with ambulacral grooves visible
Image courtesy of Lyle Vail, Gaia Guide