subumbonal Definition

bubble shell, conchiferous, megastome, buccinoid, boat shell, ark shell, solenacean, unshell, operculate, siphonostomatous, strombite, conchite, auriculated, sea snail, ostreaceous, lamellibranchiate, bivalve, crustaceousness, pholad, cochleate, sea trumpet, giant clam, corneocalcareous, hippurite, inferobranchian, pectinibranchiate, escaloped, nodosarine, orthid, tooth shell, mollusk genus, sea hare, suprabranchial, genus pecten, ostracean, univalve, loricate, mesobranchial, clam, neritid, omostegite, epipodial, genus nerita, seasnail, stromboid, tentaculite, endopleurite, testudinarious, metabranchial, tusk shell, macruran, pinnothere, trichobranchia, blood clam, balanoid, endophragma, ear shell, tubivalve, molluscoid, infrabranchial, phyllopod, intersternal, potamian, moon shell, chlamyphore, bojanus organ, spoutfish, tectibranchiate, branchiostegal, phyllobranchia, subnotochordal, subcrustaceous, trochosphere, paucispiral, lithodome, encephalous, testudineous, cirriped, cornu ammonis, pea crab, anaptychus, combtooth blenny, gnathopodite, sea lemon, concameration, urochordate, turrilite, lithophagous, testaceology, spatangoid, mollusk family, preopercular, foraminiferous, scutibranchiate, scyllarian, sclerodermite, pygal, subzonal, abdominalia, hyoplastron,