. Animals before man in North America; their lives and times. Paleontology. Olenellus thompsoni, a typical Paradoxides harlutii, a typical trilobite of the Cambrian, trilobite of the Cambrian. About half natural size. (After Meek.) (After Waleott.) portant of the early fossils in another way, and that is, for the identification of strata and the marking of some periods of geological time. Certain genera endured for quite definite pe- riods, so that they are characteristic of the strata that were then being deposited, and their names have been applied to the assem- blage of animals, termed a fa
. Animals before man in North America; their lives and times. Paleontology. Olenellus thompsoni, a typical Paradoxides harlutii, a typical trilobite of the Cambrian, trilobite of the Cambrian. About half natural size. (After Meek.) (After Waleott.) portant of the early fossils in another way, and that is, for the identification of strata and the marking of some periods of geological time. Certain genera endured for quite definite pe- riods, so that they are characteristic of the strata that were then being deposited, and their names have been applied to the assem- blage of animals, termed a fauna, found in these beds. Thus the Upper Cambrian of Europe contains the Olenus fauna, this genus 67. 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 Lucas, Frederic A. (Frederic Augustus), 1852-1929. New York, D. Appleton and company
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectpaleont, bookyear1902
