deltidium Definition

convex, auriculated, phragmocone, rhyncholite, planorbis, calipash, peritreme, megastome, calipee, lunule, turrilite, sea trumpet, beak, bubble shell, tentaculite, melanian, pectinibranchiate, orthid, cochleate, auriform, paucispiral, siphuncle, hippurite, paludina, rostrulum, strombite, potamian, loricate, epistome, conchite, saxicava, proostracum, fasciole, epipodium, boat shell, metabranchial, shell, gnathopodite, spirifer, unshell, trichobranchia, maxilliped, nodosarine, buccinoid, hyostylic, suboperculum, epipodite, corneocalcareous, siphonium, balanoid, pinniform, chlamyphore, halfbeak, tusk shell, testudinarious, squalodon, gnathopod, fissurella, trochosphere, gonydial, cornu ammonis, tubiporite, parapleura, hypural, baculite, lamellibranch, operculum, gnathite, preoperculum, brachiopod, interoperculum, phyllobranchia, glabellum, endophragma, desmognathous, gonys, galerite, bipinnaria, gnathic, phyllopod, paragnathus, gnathotheca, testudinate, schizognathous, surangular, aptychus, quillback, testacean, uncinus, squarrose, sphaeridium, quadratojugal, omostegite, epimeron, endosternite, lophosteon, scolithus, solenacean, siphonostome, combtooth blenny,