Results of the Puritan-American Museum of Natural History Expedition to Western Mexico. 20, The Recent Mollusks, Gastropoda, Harpidae, Vasidae, and Volutidae. American Museum Novitates PDF Download

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Results of the Puritan-American Museum of Natural History Expedition to Western Mexico. 20, The Recent Mollusks, Gastropoda, Harpidae, Vasidae, and Volutidae. American Museum Novitates

Results of the Puritan-American Museum of Natural History Expedition to Western Mexico. 20, The Recent Mollusks, Gastropoda, Harpidae, Vasidae, and Volutidae. American Museum Novitates PDF Author:
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Languages : en
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Results of the Puritan-American Museum of Natural History Expedition to Western Mexico. 20, The Recent Mollusks, Gastropoda, Harpidae, Vasidae, and Volutidae. American Museum Novitates

Results of the Puritan-American Museum of Natural History Expedition to Western Mexico. 20, The Recent Mollusks, Gastropoda, Harpidae, Vasidae, and Volutidae. American Museum Novitates PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Results of the Puritan-American Museum of Natural History Expedition to Western Mexico

Results of the Puritan-American Museum of Natural History Expedition to Western Mexico PDF Author: William K. Emerson
Publisher:
ISBN:
Category : Gastropoda
Languages : en
Pages : 23

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Results of the Puritan-American Museum of Natural History Expedition to Western Mexico. 17, The Recent Mollusks, Gastropoda, Cypraeacea. American Museum Novitates

Results of the Puritan-American Museum of Natural History Expedition to Western Mexico. 17, The Recent Mollusks, Gastropoda, Cypraeacea. American Museum Novitates PDF Author:
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Category :
Languages : en
Pages :

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Results of the Puritan-American Museum of Natural History Expedition to Western Mexico. 16, The Recent Mollusks, Gastropoda, Conidae. American Museum Novitates

Results of the Puritan-American Museum of Natural History Expedition to Western Mexico. 16, The Recent Mollusks, Gastropoda, Conidae. American Museum Novitates PDF Author:
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Category :
Languages : en
Pages :

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Results of the Puritan-American Museum of Natural History Expedition to Western Mexico. 19, The Recent Mollusks, Gastropoda, Strombacea, Tonnacea, and Cymatiacea. American Museum Novitates

Results of the Puritan-American Museum of Natural History Expedition to Western Mexico. 19, The Recent Mollusks, Gastropoda, Strombacea, Tonnacea, and Cymatiacea. American Museum Novitates PDF Author:
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Category :
Languages : en
Pages :

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Geological Survey Bulletin

Geological Survey Bulletin PDF Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 1306

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Results of the Puritan-American Museum of Natural History Expedition to Western Mexico

Results of the Puritan-American Museum of Natural History Expedition to Western Mexico PDF Author: William K. Emerson
Publisher:
ISBN:
Category : Gastropoda
Languages : en
Pages : 38

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Collected papers

Collected papers PDF Author: William K. Emerson
Publisher:
ISBN:
Category :
Languages : en
Pages : 338

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Nearshore Marine Paleoclimatic Regions, Increasing Zoogeographic Provinciality, Molluscan Extinctions, and Paleoshorelines, California

Nearshore Marine Paleoclimatic Regions, Increasing Zoogeographic Provinciality, Molluscan Extinctions, and Paleoshorelines, California PDF Author: Clarence A. Hall
Publisher: Geological Society of America
ISBN: 9780813723570
Category : Science
Languages : en
Pages : 502

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Book Description
Approximately 3000 middle and late Cenozoic nearshore marine molluscan taxa from western California are assigned to six time periods, spanning ~25 m.y. In this interdisciplinary study, western California is palinspastically restored for each of the time periods by backsliding and back-rotating large fault blocks or crustal units. Marine fossil assemblages are assigned to nearshore paleoclimatic regions or water masses within palinspastically restored California. In addition, this volume reveals positive feedback mechanisms between paleolatitudinal changes in sea-surface paleotemperature gradients and changes in the diversity of marine mollusks along the California coast through time; defines "equable" based effective temperatures; and analyzes extinction rates among macroinvertebrate marine taxa from coastal California and the possible causes of these extinctions. The late Paleogene to Neogene faunas reflect an increase in faunal diversity related to strengthened temperature gradients, greater extremes in sea-surface temperatures, reduction in temperateness, and the development of an embayed California coastline.

Bibliography of North American Geology

Bibliography of North American Geology PDF Author:
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ISBN:
Category : Geology
Languages : en
Pages : 1160

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Book Description
1919/28 cumulation includes material previously issued in the 1919/20-1935/36 issues and also material not published separately for 1927/28. 1929/39 cumulation includes material previously issued in the 1929/30-1935/36 issues and also material for 1937-39 not published separately.