Results 31 to 40 of about 242,844 (341)

Burmese amber fossils bridge the gap in the Cretaceous record of polypod ferns [PDF]

open access: yes, 2016
publisher: Elsevier articletitle: Burmese amber fossils bridge the gap in the Cretaceous record of polypod ferns journaltitle: Perspectives in Plant Ecology, Evolution and Systematics articlelink: http://dx.doi.org/10.1016/j.ppees.2016.01.003 ...
Alexander R. Schmidt   +75 more
core   +1 more source

New material of the trechnotherian mammal Lactodens from the Early Cretaceous Jehol Biota: Comparison with Origolestes and implications for mammal evolution [PDF]

open access: yesActa Palaeontologica Polonica, 2022
A new specimen of Lactodens sheni, the only known spalacolestine from the Early Cretaceous Jehol Biota, is reported from the Jiufotang Formation, Liaoning, China.
FANGYUAN MAO, CUNYU LIU, JIN MENG
doaj   +1 more source

Reassessment of amber-bearing deposits of Provence, southeastern France

open access: yesBSGF - Earth Sciences Bulletin, 2021
The presence of “geological” amber (or “succin” in old French monographs) has been reported for several centuries in the Mesozoic deposits of Provence, southeastern France.
Saint Martin Jean-Paul   +9 more
doaj   +1 more source

The Late- Cretaceous volcanic rocks from Talesh area (western Alborz): chemical variation, crystallization condition, hygrometry and tectonic setting [PDF]

open access: yesپترولوژی, 2020
In the Talesh area (western Alborz), a thick sedimentary- volcanic association formed in a littoral- deltaic environment during the Late Cretaceous. The extrusives comprise volcanoclastics (tuffs), lava flows (pillow and massive) and basic dykes.
Khadijeh Amani   +3 more
doaj   +1 more source

Leaf cuticular morphology links Platanaceae and Proteaceae [PDF]

open access: yes, 2005
Int. J. Plant Sci. 166(5):843–855. © 2005 by The University of Chicago.The leaf cuticular morphology of extant species of Platanus was investigated using light and scanning electron microscopy.
Carpenter, R., Hill, R., Jordan, G.
core   +2 more sources

Osteology and relationships of Rhinopycnodus gabriellae gen. et sp. nov. (Pycnodontiformes) from the marine Late Cretaceous of Lebanon [PDF]

open access: yes, 2013
The osteology of Rhinopycnodus gabriellae gen. and sp. nov., a pycnodontiform fish from the marine Cenomanian (Late Cretaceous) of Lebanon, is studied in detail.
Capasso, Luigi, Taverne, Louis
core   +3 more sources

Marine tethysuchian crocodyliform from the ?Aptian-Albian (Lower Cretaceous) of the Isle of Wight, UK [PDF]

open access: yes, 2014
A marine tethysuchian crocodyliform from the Isle of Wight, most likely from the Upper Greensand Formation (upper Albian, Lower Cretaceous), is described.
Foffa, D   +5 more
core   +1 more source

Second specimen of Corriebaatar marywaltersae from the Lower Cretaceous of Australia confirms its multituberculate affinities [PDF]

open access: yesActa Palaeontologica Polonica, 2022
A second specimen of the Australian cimolodontan multituberculate Corriebaatar marywaltersae from the same locality (Flat Rocks) as the holotype and previously only known specimen, reveals far more anatomical information about the species.
THOMAS H. RICH   +7 more
doaj   +1 more source

Comparative osteohistology of Hesperornis with reference to pygoscelid penguins: the effects of climate and behaviour on avian bone microstructure [PDF]

open access: yesRoyal Society Open Science, 2014
The broad biogeographic distribution of Hesperornis fossils in Late Cretaceous Western Interior Seaway deposits has prompted questions about whether they endured polar winters or migrated between mid- and high latitudes.
Laura E. Wilson, Karen Chin
doaj   +1 more source

Geological heritage of the Northwestern Caucasus and its importance for promoting a better understanding of the Earth's structure and evolution

open access: yesУчёные записки Казанского университета: Серия Естественные науки, 2022
In this article, 13 sites of geological heritage were identified in the Seversk district of the Krasnodar region (Russia), which rests on the northern slope of the Northwestern Caucasus.
Z.A. Tolokonnikova
doaj   +1 more source

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