Palaeontology: between water and land.
Carroll
Robert L
RL
D000663:Amphibians / Q000033:anatomy & histology* / Q000502:physiology*; D000818:Animals; D005075:Biological Evolution; D004777:Environment; D005399:Fishes / Q000033:anatomy & histology / Q000502:physiology; D005580:Fossils; D049690:History, Ancient; D012863:Skeleton; D013997:Time Factors; D014867:Water
D014867:Water