actinostome Definition

adoral, gnathite, maxilliped, gnathopod, gnathic, hyostylic, sphenotic, paragnathus, mouthlike, tentaculum, endognath, cephalosome, septomaxillary, choanoid, endostyle, gnathopodite, acanthion, urostyle, suspensorium, cephalochordate, external organ, hemichordate, broadmouth, scizorhinal, articulary, pharyngobranchial, epipharynx, endaspidean, acoelomate, nephrostome, pipemouth, pygostyle, mouthbrooder, preanal, internasal, redmouth, propterygium, epipodite, nasobuccal, propodium, epimeron, coelomate, hard palate, paragnathous, scapulet, siphonium, mentomeckelian, hyomandibular, amphistylic, cysticule, epipharyngeal, surangular, branchial arch, pterotic, cephalo, lytta, dactylozooid, nasofrontal, external body part, engouled, alinasal, tearpit, cephalomere, endosternite, cercopod, epibranchial, parethmoid, preoperculum, pessulus, metapterygium, anapsid, disclusion, threadfish, prenasal, omosternum, lateral line, opisthion, antestomach, pleurosteon, rhinoscleroma, inmeats, periotic, tubulidentate, lagena, urohyal, haustellum, phyllostome, arthromere, hypural, wrymouth, upper jaw, quadratojugal, paramastoid, gnathotheca, exaspidean, craniate, odontophore, entogastric, pleurobranch, nasopalatine,