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The geologic time scale is a way of representing deep time based on events that have occurred throughout Earth's history, a time span of about 4.54 ± 0.05 Ga (4.54 billion years). [ 5] It chronologically organises strata, and subsequently time, by observing fundamental changes in stratigraphy that correspond to major geological or ...
Argopecten gibbus. Quaternary. 1.8 million years ago. Neptunea tabulata. Quaternary. 1.8 million years ago. Viviparus glacialis. Tiglian ( Early Pleistocene) 0.5 million years ago.
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1859 — Charles Darwin publishes On the Origin of Species. 1861 — The first Archaeopteryx, skeleton is found in Bavaria, Germany, and recognized as a transitional form between reptiles and birds. 1869 — Joseph Lockyer starts the scientific journal Nature. 1871 — Othniel Charles Marsh discovers the first American pterosaur fossils.
Paleontology ( / ˌpeɪliɒnˈtɒlədʒi, ˌpæli -, - ən -/ PAY-lee-on-TOL-ə-jee, PAL-ee-, -ən- ), also spelled palaeontology[ a] or palæontology, is the scientific study of life that existed prior to the start of the Holocene epoch (roughly 11,700 years before present). [citation needed] It includes the study of fossils to classify ...
The Devonian ( / dəˈvoʊni.ən, dɛ -/ də-VOH-nee-ən, deh-) [ 9][ 10] is a geologic period and system of the Paleozoic era during the Phanerozoic eon, spanning 60.3 million years from the end of the preceding Silurian period at 419.2 million years ago ( Ma ), to the beginning of the succeeding Carboniferous period at 358.9 Ma. [ 11]
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Parentheses around authors' names (and dates) indicates a change in generic name for the fossil, as stated in the International Code of Zoological Nomenclature (ICZN). [11] Since the publication of the book as well as the creation of this article, new fossil taxon have been discovered that has helped improved the taxonomy among primates in general.
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