. The age of mammals in Europe, Asia and North America. Mammals, Fossil; Paleontology. 154 THE AGE OF MAMMALS the whole, it is a very imposing, diversified, and well-balanced fauna, with an equal distribution of arboreal, cursorial, aquatic, fossorial, carnivorous, and herbivorous ? Oreodon. zon6 Oreodon Cylindrodon > Caenopus Jschyromys Poebro then urn Titanotlwriunv zone J)iplacodort zo/ze Amynodon Protoreodon Came/id ? Lanibdotheriunt zone Coryphodon, PhenacoduSj Eohippus ? Coryphodon zone By permission of the American Museum of Natural History. Fig. 55. — Lower Eocene to Oligoce


. The age of mammals in Europe, Asia and North America. Mammals, Fossil; Paleontology. 154 THE AGE OF MAMMALS the whole, it is a very imposing, diversified, and well-balanced fauna, with an equal distribution of arboreal, cursorial, aquatic, fossorial, carnivorous, and herbivorous ? Oreodon. zon6 Oreodon Cylindrodon > Caenopus Jschyromys Poebro then urn Titanotlwriunv zone J)iplacodort zo/ze Amynodon Protoreodon Came/id ? Lanibdotheriunt zone Coryphodon, PhenacoduSj Eohippus ? Coryphodon zone By permission of the American Museum of Natural History. Fig. 55. — Lower Eocene to Oligocene. A composite, continuous section in the Wind River Basin, Wyoming. After Granger, 1910. Compare Fig. 38. As above noted, the chief distinction from Europe is in the large pro- portion of surviving archaic Mammalia. Very noteworthy is the presence of an opossum (Peratherium) as indicating the continued residence of. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Osborn, Henry Fairfield, 1857-1935. New York, The Macmillan Company


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectpaleontology, bookyea