Results 161 to 170 of about 1,517 (200)

Chitinozoans of the lower Llanvirn Huy and the middle Caradoc Sart-Bernard formations (Middle to Upper Ordovician): implications for the stratigraphy of the Condroz Inlier (Belgium)

Carnets de Géologie, 2007
Vanmeirhaeghe Jan
doaj  

Facies Patterns and Conodont Biogeography in Arctic Alaska and the Canadian Arctic Islands: Evidence against Juxtaposition of These Areas during Early Paleozoic Time [PDF]

, 2000
Bradley, D. C., de Freitas, T. A., Dumoulin, J. A., Harris, A. G.   +3 more
core  

A new high-resolution chitinozoan composite standard for the East Baltic Lower Silurian succession based on numerical analysis

, 2010
Madis Rubel, Viiu Nestor, Mark T. Harris, Peter M. Sheehan, Leho Ainsaar, Peep Männik, Jaak Nálvak   +6 more
openalex   +1 more source

A diverse chitinozoan record from the Upper Ordovician (Katian) of the Cincinnati region (Kentucky, USA)

Cristiana J. P. Esteves, Patrick I. McLaughlin, Jules Velleman, Tim De Backer, Julie De Weirdt, Merrell A. Miller, Thijs R.A. Vandenbroucke   +6 more
openalex   +1 more source

Acritarch, Chitinozoan and Spore Stratigraphy from the Middle and Upper Devonian subsurface of Northeast Libya.

, 1989
Maurice Streel, F. Parı́s, Walter Riegel, Michel Vanguestaine   +3 more
openalex   +1 more source

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A revised chitinozoan classification

Journal of Paleontology, 1999
The successful definition of chitinozoan genera depends primarily on the precision of the criteria used. A standardized morphological terminology based upon details from scanning electron microscope observations of the most representative taxa bearing these characters is therefore proposed.
Florentin Paris, Yngve Grahn, Viiu Nestor, Iskra Lakova   +3 more
openaire   +1 more source

Ordovician chitinozoan zones from Baltoscandia

Review of Palaeobotany and Palynology, 1993
On the basis of reports published over the last 60 years, and unpublished data, a chitinozoan zonation is proposed for the Ordovician sequence of Scandinavia, the East Baltic, northeast Poland and Podolia—commonly referred to a Baltoscandia. From the first chitinozoans in the latest Tremadoc to the latest Ashgill (a period comprising ca.
Jaak Nõlvak, Yngve Grahn
openaire   +1 more source

Ordovician chitinozoan diversification events in China

Science in China Series D: Earth Sciences, 2004
Correlative study of the Ordovician chitinozoan biostratigraphy in China with graptolite and conodont biozones, and comprehensive analysis of the sequence- and event-strati-graphic indicated that 17 chitinozoan zones and 5 main chitinozoan diversification events subsequently occurring could be recognized in the Ordovician System of China.
Xiaofeng Wang, Xiaohong Chen
openaire   +1 more source

Ordovician chitinozoan biozonation of the Brabant Massif, Belgium

Review of Palaeobotany and Palynology, 2000
Chitinozoans from seven Ordovician units (Abbaye de Villers, Tribotte, Rigenée, Ittre, Bornival, and Brutia formations and a new unnamed unit, here provisionally called the Asquempont unit) belonging to the mainly concealed Brabant Massif, Belgium are described herein. Fifty-six samples were taken from rocks cropping out at the south-eastern rim of the
J, Samuelsson, J, Verniers
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Caradocian chitinozoans from the Central Basin, Tennessee

Review of Palaeobotany and Palynology, 1998
Abstract Chitinozoans occur in low numbers and diversity in all formations of the Caradocian Stones River and Nashville Groups of the Central Basin, Tennessee. Sixteen species have been found in the interval studied: Belonechitina micracantha, B. robusta, B. seriespinosa, B. wesenbergensis, Calpichitina lata, Conochitina elegans, C.
William G. Siesser, James W. Hendley, Thomas E. Kessler, John C. Marler, Eleanor T. Wehner   +4 more
openaire   +2 more sources