A1M3B3U1L1A1C3R1A1L1
16 points
AMBULACRAL is validvalid
of or pertaining to ambulacra, as the ambulacral ossicles, plates, spines, and suckers of echinoderms
of or pertaining to ambulacra, as the ambulacral ossicles, plates, spines, and suckers of echinoderms