| List of Terms | Taxonomic Terms | |
| pentadactyl ceratobranchial polydactyl estuary estivation vertebral centrum intercentra pleurocentra zygapophysis parallel evolution convergent evolution | tetrapod Acanthostega Ichthyostega Sarcopterygii Batrachomorpha Temnospondylii Reptilomorpha Osteolepiformes Panderichthys Lissamphibia labrinthodonts lepospondyls |