spatangoid Definition

heart urchin, fasciole, brittle star, semita, echinoderm, echinodermal, sea urchin, trochosphere, fissurella, anthozoan, basket star, epistome, bubble shell, tube foot, lithophagous, sea pen, sea mat, retepore, bipinnaria, pedicellaria, operculate, neritid, sea star, inferobranchian, hippurite, urochordate, testacean, sea scurf, sea trumpet, lamellibranch, boat shell, seasnail, genus nerita, brachiolaria, moss animal, ectoprocta, spirifer, tooth shell, galerite, moon shell, hippocrepian, stromb, sea snail, planorbis, scaphopod, cirriped, madreporaria, scaphopoda, paludina, starfish, pholad, sea lily, mollusk genus, ectoproct, deltidium, zoaea, scrobicula, pectinibranchiate, saxicava, phoronid, cephalochordate, conchiferous, auriform, lamellibranchiate, genus pecten, acaleph, butterfly fish, stylaster, cephalochordata, melanian, anaptychus, pennatula, bivium, mollusc, gastropod, siphuncle, phyllopod, epipodial, neritidae, sea hare, gonophore, echinite, tubulipore, combtooth blenny, mollusk, ark shell, gorgonacea, buccinidae, orthid, macruran, epipodium, astrophyton, sea mouse, corneocalcareous, cochleate, trochite, tusk shell, proostracum, solenacean, nodosarine,