Palaeontology: Or A Systematic Summary of Extinct Animals and Their Geological RelationsA. and C. Black, 1861 - Всего страниц: 463 |
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Palaeontology, Or a Systematic Summary of Extinct Animals and Their ... Richard Owen Полный просмотр - 1860 |
Palaeontology: Or A Systematic Summary of Extinct Animals and Their ... Richard Owen Полный просмотр - 1861 |
Palaeontology Or A Systematic Summary of Extinct Animals and Their ... Richard Owen Полный просмотр - 1861 |
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affinities animal arch Archegosaurus articular batrachian beds birds bones bony canine carboniferous carnivorous cavity Cetacea chalk characters clay condyle cones convex cretaceous crocodiles crocodilian crown Cuvier dental dentition deposits developed Devonian dorsal eocene evidence existing external extinct feet fishes fore formation fossil ganoid genera genus geological greensand hind Ichthyosaurus Iguanodon impressions inches incisors indicate inner Labyrinthodonts lacertian length lias limbs limestone lizards lobe London clay lower jaw mammalian Mammals marginal marsupial maxillary miocene modifications molar nostrils Nothosaurus notochord old red oolitic orbits organic ossification outer pair paleozoic peculiar period Pistosaurus Placodus plates Plesiosaurus pliocene posterior premaxillary premolar present proportions quadrupeds red sandstone remains reptiles resembles ribs ridges saurian shell shew shewn side Silurian siphuncle skeleton skull slender species specimen spines strata structure surface tail teeth tertiary thecodont tion tooth transverse trias triassic tusks upper jaw valve vertebræ Wealden