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Author: Harry Blackmore Whittington
Publisher: Geological Society of America
ISBN: 0813710596
Category : Paleontology
Languages : en
Pages : 183
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Book Description
Author: Harry Blackmore Whittington
Publisher: Geological Society of America
ISBN: 0813710596
Category : Paleontology
Languages : en
Pages : 183
Get Book
Book Description
Author: Harry Blackmore Whittington
Publisher:
ISBN:
Category : Odontopleuridae
Languages : en
Pages : 133
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Book Description
Author: Reuben James Ross
Publisher:
ISBN:
Category : Brachiopoda, Fossil
Languages : en
Pages : 80
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Book Description
Species of 14 genera of brachiopods and 32 genera of trilobites are described to support stratigraphic conclusions presented in Geological Survey Bulletin 1180-C.
Author: Harry Blackmore Whittington
Publisher:
ISBN:
Category :
Languages : en
Pages : 192
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Book Description
Author: Byron Nelson Cooper
Publisher: Geological Society of America
ISBN: 0813710553
Category : Paleontology
Languages : en
Pages : 98
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Book Description
Forty-five species of lower Middle Ordovician trilobites, including six new genera and thirty new species, are described and illustrated from the extensive collections in the United States National Museum. Most of these species occur in beds whose age and correlation have been a matter of controversy for more than a decade. The stratigraphic evidence afforded by the trilobites lends strong support to regional stratigraphic interpretations of the lower Champlainian beds in the Appalachian Valley, which have been worked out by G. Arthur Cooper and the writer fromdetailed study of brachiopod faunas and from physical stratigraphic studies. The trilobites, like brachiopods, are not so restricted in their facies distribution as are many groups of invertebrate fossils. Hence they are very useful in establishing contemporaneity of dissimilar facies. In this paper only the more common trilobites are described. The principal purpose of this study is to make available for biostratigraphic use a number of trilobite species, most of which have been confused or misidentified previously.
Author: Frederick C. Shaw
Publisher:
ISBN:
Category : Paleontology
Languages : en
Pages : 66
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Book Description
Author: Reuben James Ross
Publisher:
ISBN:
Category : Brachiopoda, Fossil
Languages : en
Pages : 166
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Book Description
Additional title page description: A description of 79 species of 58 genera of brachiopods and trilobites in the context of seven strategically located stratigraphic sections. Interpretations of Middle Ordovician stratigraphy in central Nevada are modified.
Author: Harry Blackmore Whittington
Publisher:
ISBN:
Category :
Languages : en
Pages : 192
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Book Description
Author: Reuben James Ross
Publisher:
ISBN:
Category : Paleontology
Languages : en
Pages : 40
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Book Description
Additional title page description: Species of the trilobites Iostelus, Bathyurus?, Proetidella, Gravicalymene, Flexicalymene, and Acidaspis are described from Middle and Upper Ordovician strata of Kentucky.
Author: Percy Edward Raymond
Publisher:
ISBN:
Category :
Languages : en
Pages :
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