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T scale
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#	Item
821	The spatial and temporal diversification of Early Palaeozoic vertebrates M. P A U L S M I T H , P H I L I P C. J. D O N O G H U E Add to Reading List Source URL: palaeo.gly.bris.ac.uk Language: English - Date: 2009-05-20 07:29:47 Silurian Prehistoric fish Ordovician Cambrian Caledonian orogeny Devonian Thelodonti Agnatha Tornquist Sea Phanerozoic Geologic time scale Paleozoic
822	PDF Document Add to Reading List Source URL: www.ugcs.caltech.edu Language: English - Date: 2007-09-20 22:11:44 Cretaceous Extinction events Geological history of Earth Planetary science Paleogene K–T boundary Chicxulub crater Paleocene Cretaceous–Tertiary extinction event Geologic time scale Phanerozoic Historical geology
823	PDF Document Add to Reading List Source URL: www.ugcs.caltech.edu Language: English - Date: 2007-09-20 22:11:44 Cretaceous Extinction events Geological history of Earth Planetary science Paleogene K–T boundary Chicxulub crater Paleocene Cretaceous–Tertiary extinction event Geologic time scale Phanerozoic Historical geology
824	PDF Document Add to Reading List Source URL: www.nhmus.hu Language: English - Date: 2004-03-11 06:59:34 Extinction events Planetary science Dinosaurs Climate history Cretaceous Puchezh-Katunki crater Chicxulub crater Triassic–Jurassic extinction event K–T boundary Geologic time scale Phanerozoic Historical geology
825	PDF Document Add to Reading List Source URL: www.bio.sdsu.edu Language: English - Date: 2008-05-08 18:49:20 Extinction events Cretaceous Planetary science Climate history Dinosaurs Cretaceous–Tertiary extinction event K–T boundary Late Cretaceous Permian–Triassic extinction event Phanerozoic Geologic time scale Historical geology
826	PDF Document Add to Reading List Source URL: instruct.uwo.ca Language: English - Date: 2006-10-19 17:05:23 Extinction events Planetary science Climate history Cretaceous Volcanoes K–T boundary Chicxulub crater Impact event Permian–Triassic extinction event Geologic time scale Phanerozoic Geology
827	PDF Document Add to Reading List Source URL: www3.geosc.psu.edu Language: English - Date: 2009-10-21 14:45:26 Chemical elements Noble metals Precious metals Transition metals Iridium Osmium Gubbio K–T boundary Walter Alvarez Geologic time scale Phanerozoic Cretaceous
828	PDF Document Add to Reading List Source URL: www.cosis.net Language: English - Date: 2005-03-04 08:30:55 Cretaceous Climate history Extinction events Planetary science Volcanoes Cretaceous–Tertiary extinction event K–T boundary Flood basalt Deccan Traps Geologic time scale Phanerozoic Geology