Phacopid Trilobites of North America

Phacopid Trilobites of North America PDF Author: David M. Delo
Publisher: Geological Society of America
ISBN: 081372029X
Category : Paleontology
Languages : en
Pages : 161

Get Book Here

Book Description

Phacopid Trilobites of North America

Phacopid Trilobites of North America PDF Author: David M. Delo
Publisher: Geological Society of America
ISBN: 081372029X
Category : Paleontology
Languages : en
Pages : 161

Get Book Here

Book Description


 PDF Author:
Publisher: Alexander Doweld
ISBN:
Category :
Languages : en
Pages : 244

Get Book Here

Book Description


Trilobites from the Lower Champlainian Formations of the Appalachian Valley

Trilobites from the Lower Champlainian Formations of the Appalachian Valley PDF Author: Byron Nelson Cooper
Publisher: Geological Society of America
ISBN: 0813710553
Category : Paleontology
Languages : en
Pages : 98

Get Book Here

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.

Trilobites

Trilobites PDF Author: Ludvigsen
Publisher: BRILL
ISBN: 9004628304
Category : Science
Languages : en
Pages : 96

Get Book Here

Book Description


Bibliography of North American Geology

Bibliography of North American Geology PDF Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 1300

Get Book Here

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.

Bibliography of North American Geology, 1929-1939

Bibliography of North American Geology, 1929-1939 PDF Author: Emma Mertins Thom
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 1624

Get Book Here

Book Description


Hadrosaurian Dinosaurs of North America

Hadrosaurian Dinosaurs of North America PDF Author: Richard Swann Lull
Publisher: Geological Society of America
ISBN: 0813720400
Category : Paleontology
Languages : en
Pages : 287

Get Book Here

Book Description


Trilobites of Black Cat Mountain

Trilobites of Black Cat Mountain PDF Author: George P. Hansen
Publisher: iUniverse
ISBN: 0595624618
Category : Science
Languages : en
Pages : 405

Get Book Here

Book Description
A photographic guide to Oklahomas Devonian trilobites. The geological history of Coal County, Oklahoma. Descriptions of rock formations where trilobites are found. Excavation and restoration of trilobites. A photographic atlas of the Lower Devonian trilobites of Oklahoma, with helpful information to aid in their identification. Trilobites are a well-known fossil group, possibly second most famous only to dinosaurs. With their easily fossilized exoskeleton, they left an extensive and diverse fossil record. They began a drawn-out decline to extinction during Late Devonian time, when all but one of the trilobite orders died out. This meticulously researched reference guide is a photographic atlas and descriptive compendium on the trilobites of Coal County, Oklahoma. The species described lived during the Lower Devonian in a shallow tropical ocean that had advanced over the landscape of North America. More than twenty species are exquisitely preserved in Oklahomas limestone rocks. Each species is carefully illustrated, including thorough descriptions, so that those familiar and unfamiliar can understand and appreciate these amazing creatures. The most current scientific research on these trilobites is also included. For those wishing to pursue a deeper interest in trilobites, a comprehensive bibliography lists hundreds of sources of information for further study.

Trilobites of New York

Trilobites of New York PDF Author: Thomas Edward Whiteley
Publisher: Comstock Publishing Associates
ISBN:
Category : Nature
Languages : en
Pages : 410

Get Book Here

Book Description
"Trilobites are the most lifelike of fossils--many well-preserved specimens belie their great antiquity and seem almost ready to arch their bodies, peer about with their compound eyes, and crawl forward as if to complete a journey that was interrupted hundreds of millions of years ago."--from the Foreword"New York State is and has long been a magnet for trilobite hunters.... New York's trilobites were among the first illustrated fossils in North America.... Many outstanding localities in New York State, from the majestic Ordovician limestone bluffs of Trenton Falls, to the Silurian beds in the great gorge of Niagara River, to the Devonian shale cliffs of Lake Erie, continue to yield abundant and spectacular trilobite fossils. New York strata have also yielded more trilobites with preserved appendages and other "soft parts" than almost any other region of the world.... Spectacular, ornate trilobites from New York ranging from a few millimeters to nearly a half meter in length, are featured in museums all over the world."--from the PrefaceThis superbly illustrated book reviews the trilobite fossils found throughout New York State, including their biology, methods of taphonomy (preservation of specimens), and the broader Paleozoic geology of the state. A general chapter on the geology of New York State places the importance of these now-extinct invertebrate marine animals into context. Sixty-seven line drawings and 175 black-and-white photographs illustrate individual species, many represented here by type specimens, and display the eerie beauty that has made New York State trilobites favorites of collectors the world over.

Geological Survey Professional Paper

Geological Survey Professional Paper PDF Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 592

Get Book Here

Book Description