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Ludlow and Pridoli (Upper Silurian) graptolites from the Arctic Islands, Canada /

Graptolites flourished from earliest Ordovician to Early Devonian, a time range of about 90 million years, and were widely distributed as marine benthic and planktonic colonial organisms around then-world.

Detalles Bibliográficos
Clasificación:Libro Electrónico
Autores principales: Lenz, Alfred C., 1929- (Autor), Kozłowska-Dawidziuk, Anna, 1958- (Autor)
Autores Corporativos: National Research Council Canada (associated with work.), National Research Council Canada. Monograph Publishing Program (associated with work.)
Formato: Documento de Gobierno Electrónico eBook
Idioma:Inglés
Publicado: Ottawa, Ontario, Canada : NRC Research Press, 2004.
Temas:
Acceso en línea:Texto completo
Descripción
Sumario:Graptolites flourished from earliest Ordovician to Early Devonian, a time range of about 90 million years, and were widely distributed as marine benthic and planktonic colonial organisms around then-world.
The present study examines the isolated, uncompressed as well as flattened forms from the Ludlow and Pridoli (Upper Silurian) graptolites of the Arctic, recognizing 46 species of monograptids and retiolitids of which seven are described as new species or subspecies.
Notas:"A publication of the National Research Council of Canada Monograph Publishing Program."
"NRC No. 46842"--Title page verso
"Issued by the National Research Council of Canada."--Title page verso
Descripción Física:1 online resource (viii, 141 pages) : illustrations, maps
Bibliografía:Includes bibliographical references (pages 39-42).
ISBN:0660193272
9780660193274
128045220X
9781280452208
9780660193267
0660193264