suliarn - Page 1 Silurian and Devonian periods BIO1130...

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Unformatted text preview: Page 1 Silurian and Devonian periods BIO1130 Organismal Biology Université d’Ottawa / University of Ottawa 10:42 AM BIO1130 Organismal Biology 1 Silurian and Devonian Université d’Ottawa / University of Ottawa 10:42 AM BIO1130 Organismal Biology 2 Geological time scale and building height (1floor – 60Ma, 72 floors, 12 feet/floor) Major Eons (Ma) – Phanerozoic • (550 Ma to present time, top 9 floors’) – Proterozoic • (2,500 – 550 Ma, 33 rd-63 rd ) – Archaean • (3,800 – 2,500 Ma, 12 th – 33 rd) – Hadean • (4,500 – 3,800 Ma, 0-12 th ) Université d’Ottawa / University of Ottawa 10:42 AM BIO1130 Organismal Biology 3 Major Era – Phanerozoic • Cenozoic (65 Ma to present time, 72 nd floor) • Mesozoic (245-65 Ma, 65 th to 71 st ) • Paleozoic (550-245 Ma, 63 th to 65 th ) – Proterozoic (2,500 – 550 Ma) – Archaean (3,800 – 2,500 Ma) – Hadean (4,500 – 3,800 Ma) Geological time scale and building height ( 1floor – 60Ma, 72 floors, 12 feet/floor) Université d’Ottawa / University of Ottawa 10:42 AM BIO1130 Organismal Biology 4 Paleozoic periods Paleozoic era – Cambrian 550-488 Ma – Ordovician 488-443 Ma – Silurian 443-416 Ma – Devonian 416-359 Ma – Carboniferous 359-299 Ma – Permian 299-245 Ma Université d’Ottawa / University of Ottawa 10:42 AM BIO1130 Organismal Biology 5 Ordovician survivors Cnidaria – corals Molluscs – Shelled cephalopods – Bivalves – Gastropods Worms Echinoderms Bryozoa Arthropods – Trilobites (some) – Marine forms (Crustacea) Université d’Ottawa / University of Ottawa 10:42 AM BIO1130 Organismal Biology 6 Silurian Silurian reef – Field museum Chicago Page 2 Silurian and Devonian periods BIO1130 Organismal Biology Université d’Ottawa / University of Ottawa 10:42 AM BIO1130 Organismal Biology 7 10:42 AM 7 Université d’Ottawa / University of Ottawa 10:42 AM BIO1130 Organismal Biology 8 Arthropoda: Crustacea Figure 26.40 Université d’Ottawa / University of Ottawa 10:42 AM BIO1130 Organismal Biology 9 Armoured fishes Placoderms Ostracoderm Video video Université d’Ottawa / University of Ottawa...
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suliarn - Page 1 Silurian and Devonian periods BIO1130...

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