Results 71 to 80 of about 10,559 (214)
The Middle Jurassic (Bajocian–Bathonian) flora of the Tabas Block, central Iran
GeologosThe present study discusses the outcome of palynlogical and palaeobotanocal investigations of Middle Jurassic strata of the Tabas Block. The most commonly identified spore type is a trilete spore, Klukisporites, which accounts for 30 per cent, and the ...
Maleki Saeed
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American Journal of Botany, Volume 112, Issue 6, June 2025.Abstract Premise Araliaceae comprise a moderately diverse, predominantly tropical angiosperm family with a limited fossil record. Gondwanan history of Araliaceae is hypothesized in the literature, but no fossils have previously been reported from the former supercontinent.
Peter Wilf
wiley +1 more source
Geologica Acta, 2009 The 32-m thick sedimentary succession of the Paleocene-Eocene Akli Formation (Barmer basin, Rajasthan, India), which is exposed in an open-cast lignite mine, interbed several lignite seams that alternate with fossiliferous carbonaceous clays, green clays
S.K.M. TRIPATHI, M. KUMAR, D. SRIVASTAVA
doaj
Competing hypotheses, ordination and pollen preservation : landscape impacts of Norse landnám in southern Greenland [PDF]
, 2016 We thank the Leverhulme Trust for financial support, and Gordon Cook and staff at SUERC for the provision of radiocarbon dates. We are grateful to two anonymous reviewers and Shinya Sugita for valuable comments which improved the manuscript.Peer ...
Edwards, Kevin J. +2 more
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Spatially Aware Dictionary Learning and Coding for Fossil Pollen Identification
, 2016 We propose a robust approach for performing automatic species-level recognition of fossil pollen grains in microscopy images that exploits both global shape and local texture characteristics in a patch-based matching methodology.
Fowlkes, Charless +2 more
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Floristic changes in the Iberian Peninsula and Balearic Islands (south-west Europe) during the Cenozoic [PDF]
, 2009 AIM The aim of this work was to identify the main changes in the flora and vegetation of the Iberian Peninsula over the Cenozoic Era, to record the disappearance of taxa associated with these changes and to determine the influence of climate and human ...
Barrón López, Eduardo +3 more
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A Survey of Atmospheric Pollen and Spores in North-Western Nigeria
Notulae Scientia Biologicae, 2018 The incidence of airborne pollen occurring as aeroallergens of varied levels at different periods of the year has generated some public health concern globally. The present study was conducted in order to examine the monthly depositional rate of airborne
Olugbenga Shadrak ALEBIOSU +1 more
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A fossil byblidaceae seed from eocene South Australia [PDF]
, 2004 Copyright © 2004 by The University of ChicagoA single mummified angiosperm seed is described from a middle Eocene clay lens deposit at the Monier East Yatala Sand Pit, Golden Grove, South Australia.
Christophel, D., Conran, J.
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Resolving the Middle Jurassic dinoflagellate radiation: The palynology of the Bajocian of Swabia, southwest Germany [PDF]
, 2017 Dinoflagellates underwent a major radiation during the Bajocian (Middle Jurassic, ~ 170–168 Ma). The group originated in the Middle Triassic and dinoflagellate cysts were relatively low in diversity until the Bajocian, when over 100 species appeared. The
Franz, M, Riding, JB, Wiggan, NJ
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Acta Palaeobotanica, 2013 Fructifications of epiphyllous fungi were encountered during palynological investigation of the Lower Oligocene shallow-marine deposits of the Krabbedalen Formation at the Savoia Halvø, Kap Brewster, central East Greenland.
Worobiec Grzegorz, Worobiec Elżbieta
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