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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.

Основен автор: Lenz, Alfred C., 1929-
Автор-организация: National Research Council Canada., National Research Council Canada. Monograph Publishing Program.
Други автори: Koz¿‚owska-Dawidziuk, Anna, 1958-
Формат: Електронна книга
Език: English
Публикувано: Ottawa : NRC Research Press, 2004.
Предмети:
From 405 to 425 million years ago
Graptolites > Arctic Archipelago (Nunavut and N.W.T.)
Graptolites > Arctic regions.
Paleontology > Silurian.
Paleontology > Arctic regions.
Graptolithes > Arctique, Archipel (Nunavut et T.N.-O.)
Graptolithes > Arctique.
Paleontologie > Silurien.
Paleontologie > Arctique.
NATURE > Fossils.
Graptolites.
Paleontology.
Silurian Geologic Period.
Arctic regions.
Canada > Arctic Archipelago.
Electronic books.
Онлайн достъп: http://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&AN=120875
Подобни документи: Print version:: Ludlow and Pridoli (Upper Silurian) graptolites from the Arctic Islands, Canada.
Съдържание:
  • Cover
  • Contents
  • Abstract/Resume
  • Acknowledgments
  • 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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