CONODONTS FROM THE CARNIAN-NORIAN BOUNDARY (UPPER TRIASSIC) OF BLACK BEAR RIDGE, NORTHEASTERN BRITISH COLUMBIA, CANADA PDF Download
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Author: MICHAEL J. ORCHARD
Publisher: New Mexico Museum of Natural History and Science
ISBN:
Category : Conodonts
Languages : en
Pages : 147
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Book Description
Author: MICHAEL J. ORCHARD
Publisher: New Mexico Museum of Natural History and Science
ISBN:
Category : Conodonts
Languages : en
Pages : 147
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Book Description
Author: Leanne J. Pyle
Publisher: NRC Research Press
ISBN: 9780660185217
Category : Conodonts
Languages : en
Pages : 248
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Book Description
Conodonts, the tiny, phosphatic, tooth-like remains of an extinct group of early vertebrates, are the most important fossil group for biostratigraphy throughout their stratigraphic range from Late Cambrian to Late Triassic. This monograph represents a benchmark study of these important zonal fossils. The detailed paleontological work not only provides a taxonomic basis for future studies on early Paleozoic conodonts but also focuses on the evolution of conodonts in the early Ordovician, a time of extraordinary adaptive radiation. The taxonomic work provides detailed descriptions and illustrations of 185 species representing 69 genera. Seven new genera and 39 new species are described. The high diversity of taxa across the platform-to-basin transect shows the biogeographic differentiation and spatial ecological partitioning of conodonts through time. The taxonomy permits the refinement to the biostratigraphic zonation within two faunal realms for British Columbia that can be correlated with schemes elsewhere in North America and also internationally.
Author: Harold Richard Lane
Publisher: Geological Society of America
ISBN: 0813721520
Category : Conodonts
Languages : en
Pages : 208
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Book Description
Author: David Leigh Clark
Publisher: Geological Society of America
ISBN: 0813711037
Category : Conodonts
Languages : en
Pages : 114
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Book Description
Author: Simon J. Knell
Publisher: Indiana University Press
ISBN: 025300604X
Category : Science
Languages : en
Pages : 439
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Book Description
Stephen Jay Gould borrowed from Winston Churchill when he described the conodont animal as a "riddle wrapped in a mystery inside an enigma." This animal confounded science for more than a century. Some thought it a slug, others a fish, a worm, a plant, even a primitive ancestor of ourselves. The list of possibilities grew and yet an answer to the riddle never seemed any nearer. Would the animal that left behind these miniscule fossils known as conodonts ever be identified? Three times the animal was "found," but each was quite a different animal. Were any of them really the one? Simon J. Knell takes the reader on a journey through 150 years of scientific thinking, imagining, and arguing. Slowly the animal begins to reveal traces of itself: its lifestyle, its remarkable evolution, its witnessing of great catastrophes, its movements over the surface of the planet, and finally its anatomy. Today the conodont animal remains perhaps the most disputed creature in the zoological world.
Author: Robert O. Fay
Publisher:
ISBN:
Category : Conodonts
Languages : en
Pages : 222
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Book Description
Author: Susana García-López
Publisher: IGME
ISBN: 9788478404469
Category : Carbonate rocks
Languages : en
Pages : 452
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Book Description
Author: Simon J. Knell
Publisher: Indiana University Press
ISBN: 0253006066
Category : Science
Languages : en
Pages : 635
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Book Description
A fascinating, comprehensive, accessible account of conodont fossils—one of paleontology’s greatest mysteries: “Deserves to be widely read and enjoyed” (Priscum). Stephen Jay Gould borrowed from Winston Churchill when he described the eel-like conodont animal as a riddle wrapped in a mystery inside an enigma. The search for its identity confounded scientists for more than a century. Some thought it a slug, others a fish, a worm, a plant, even a primitive ancestor of ourselves. As the list of possibilities grew, an answer to the riddle never seemed any nearer. Would the animal that left behind the miniscule fossils known as conodonts ever be identified? Three times the creature was found, but each was quite different from the others. Were any of them really the one? Simon J. Knell takes the reader on a journey through 150 years of scientific thinking, imagining, and arguing. Slowly the animal begins to reveal traces of itself: its lifestyle, its remarkable evolution, its witnessing of great catastrophes, its movements over the surface of the planet, and finally its anatomy. Today the conodont animal remains perhaps the most disputed creature in the zoological world.
Author: M. Paul Smith
Publisher: Museum Tusculanum Press
ISBN: 9788763512107
Category : Conodonts
Languages : en
Pages : 88
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Book Description
Author: Charles T. Helfrich
Publisher: Geological Society of America
ISBN: 081372161X
Category : Conodonts
Languages : en
Pages : 179
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Book Description
