xenopus laevis, jawless fish, rotifer, xenopus, protozoan, flatworm, nematode worm, conodonts, mangabey, ambystoma, schistosoma, green alga, placentals, trematodes, mytilus, balaenoptera, drosophila, morphologically, isopod, coelacanth, trypanosome, planarian, whiptail, pan troglodytes, giganteus, cichlid, planaria, otolith, carcharhinus, parthenogenetic, tunicate, dinoflagellate, tobacco hornworm, peroxisome, eukaryote, baleen whale, cytotoxin, ciliates, toothed whale, metazoan, monotremes, whipworm, ostracods, caecilian, springtails, peromyscus, giraffa camelopardalis, bufo, taenia, roundworm, neotropical, coevolution, monophyletic, saccharomyces, geochelone, medicinal leech, polychaete, alga, pueraria, zebra finch, oviducts, hemolymph, protists, americanus, parasitic worm, borrelia, dimorphic, genus plasmodium, echinoderms, hawk moth, aplysia, legless lizard, placental mammal, theropod, gastropod, corynebacterium, tetrahymena, pteropod, leopard frog, spadefoot, theropod dinosaur, rhesus monkey, borrelia burgdorferi, affinis, manduca sexta, unicellular, felis, schistosome, radula, sei whale, intermedius, peccary, ciliated, gigantea, helminths, phylogenetically, ladybird beetle, comb jelly, robustus, ixodes scapularis, lassa virus, limulus

tongueless frog

xenopus laevis