Palaeontology, 1860Routledge, 7 déc. 2018 - 464 pages Owen was the founder of the Natural History Museum, bringing the collections over from the British Museum. Although he was a supporter of evolutionary theory, he was reluctant to accept Darwin's version of evolution. This volume examines fossil evidence for change in species over time. |
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Expressions et termes fréquents
affinities animal arch Archegosaurus articular batrachian beds birds bones bony canine carboniferous cavity chalk characters clay concave condyle cones convex corals cretaceous crocodiles crocodilian crown Cuvier dental dentition deposits developed Devonian discovered dorsal eocene evidence existing external extinct feet fishes footprints foramen fore formations fossil ganoid genera genus geological greensand hind Ichthyosaurus impressions inches incisors indicate inner Labyrinthodon Labyrinthodonts lacertian length lias limbs limestone lizards lobe London clay Lophiodon lower jaw Mammal mammalian Mastodon maxillary miocene modifications molar nostrils Nothosaurus notochord old red oolitic orbits organic ossification outer pair palæontology palæozoic peculiar period Pistosaurus Placodus Plagiaulax plates Plesiosaurus pliocene posterior premaxillary premolar present proportions Protichnites quadrupeds red sandstone reptiles resembles ribs ridges saurian shell side Silurian siphuncle skeleton skull slender species specimens spines strata structure surface tail teeth tertiary thecodont tooth transverse true molars upper jaw valves vertebræ