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:
From 405 to 425 million years ago
Graptolites > Arctic Archipelago (Nunavut and N.W.T.)
Graptolites > Arctic regions.
Paleontology > Silurian.
Paleontology > Arctic regions.
Graptolites.
Graptolithes > Arctique, Archipel (Nunavut et T.N.-O.)
Graptolithes > Arctique.
Paléontologie > Silurien.
Paléontologie > Arctique.
Graptolithes.
NATURE > Fossils.
Graptolites
Paleontology
Silurian Geologic Period
Arctic Regions
Canada > Arctic Archipelago
Acceso en línea:Texto completo
Tabla de Contenidos:
  • Introduction
  • Stratigraphy
  • Non-graptolite faunas
  • Biostratigraphy
  • Biozonal correlation, species diversity, and biogeography
  • Evolutionary developments in Ludlow and Pridoli graptolites
  • Systematic paleontology
  • Order Dendroidea Nicholson, 1872. Genus Dictyonema Hall, 1851
  • Dictyonema sp.
  • Genus Acanthograptus Spencer, 1878
  • Acanthograptus? sp.
  • Genus Thallograptus Ruedemann, 1925
  • Thallograptus? sp. 1
  • Thallograptus? sp. 2
  • Thallograptus? sp. 3
  • Thallograptus sp. 4
  • Genus Dendrograptus Hall, 1858
  • Dendrograptus sp.
  • Dendroid indet.
  • Order Tuboidea Kozlowski, 1938. Genus Epigraptus Eisenack, 1941
  • Epigraptus? sp.
  • Order Graptoloidea Lapworth, 1873. Suborder Virgellina Fortey and Cooper, 1986
  • Superfamily Diplograptoidea Lapworth, 1873 (sensu Mitchell, 1987)
  • References
  • Appendix 1: Distribution of species of flattened graptolites in each section
  • Appendix 2: Distribution of isolated, three-dimensionally preserved graptolites in each section.

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