acanthodian

noun 0.648

actinopterygian

noun 0.617

chondrichthyan

noun 0.613

gnathopod

noun 0.611

amphioxus

noun 0.585

lamprey

noun 0.570

cyclostome

noun 0.569

lungfish

noun 0.561

hagfish

noun 0.558

gnathostomiasis

noun 0.548

bony fish

noun 0.545

batrachian

noun 0.542

lancelet

noun 0.541

elasmobranch

noun 0.541

branchial arch

noun 0.538

anglerfish

noun 0.538

chordate

noun 0.538

amphibian

noun 0.530

brachiopod

noun 0.524

anuran

noun 0.523

vertebrate

noun 0.521

placoderm

noun 0.518

invertebrate

noun 0.506

coelacanth

noun 0.502

acanthocephalan

noun 0.502

nonavian

noun 0.502

conodont

noun 0.501