Results 31 to 40 of about 9,423 (214)

Early eudicot reproductive structure: Fruit and flower morphology of Ranunculaecarpus Samyl. from the Early Cretaceous of eastern Siberia

Acta Palaeobotanica, 2018
Floral and fruit morphology of the early eudicot Ranunculaecarpus quinquecarpellatus Samyl. is described based on details from sectioning and microscopy of the permineralized type material from the Albian Buor-Kemyus Formation of the Zyryanka coal basin.
STEVEN R. MANCHESTER, LINA B. GOLOVNEVA, DMITRY D. SOKOLOFF, ELSE MARIE FRIIS   +3 more
doaj   +1 more source

Two new wedge-shaped beetles in Albo-Cenomanian ambers of France (Coleoptera: Ripiphoridae: Ripiphorinae)

European Journal of Entomology, 2004
Paleoripiphorus deploegi gen. n., sp. n. and Macrosiagon ebboi sp. n., described from two French Albo-Cenomanian ambers (mid Cretaceous), are the oldest definitely identified representatives of the Ripiphoridae: Ripiphorinae.
Vincent PERRICHOT, André NEL, Didier NÉRAUDEAU   +2 more
doaj   +1 more source

The Albian-Cenomanian boudary in the northern part of the Don-Medveditsa dislocations. Paper 2. Oryctocoenoses analysis. Conclusions [PDF]

Известия Саратовского университета. Новая серия: Серия Науки о Земле
Ammonite finds at the Miroshniki site, within the Albian-Cenomanian boundary interval, make it possible to identify the presence of the analogues of the Upper Albian zones Mortoniceras fallax (autochthonous burial within aleurolites) and Mortoniceras ...
Pervushov, Evgeniy Mikhaylovich, Baraboshkin, Evgeniy Yurievich, Shelepov, Dmirtiy Aleksandrovich, Biryukov, Aleksei Vladimirovich   +3 more
doaj   +1 more source

The albian-cenomanian boudary in the northern part of the Don-Medveditsa dislocations. Paper 1. The history of studying and the section descriptions [PDF]

Известия Саратовского университета. Новая серия: Серия Науки о Земле
The Albian-Cenomanian rocks compose a single complex of terrigenous deposits over the Volga Region. Delineation of the boundaries of the Cretaceous system units generally tends to cause difficulties, accounted for by rare finds of the fossils.
Pervushov, Evgeniy Mikhaylovich, Baraboshkin, Evgeniy Yurievich, Shelepov, Dmirtiy Aleksandrovich, Biryukov, Aleksei Vladimirovich   +3 more
doaj   +1 more source

Biostratigraphy of the Mauddud Formation from selected Boreholes, central Iraq

Iraqi Geological Journal, 2023
The Mauddud Formation was one of the important and widespread Lower Cretaceous period formations in Iraq. It has been studied in three wells (EB. 55, EB. 58, and EB. 59) within the East Baghdad Oil Field, Baghdad, central Iraq. 280 thin sections
Luay Shakir, Anwar Mousa
doaj   +1 more source

Mesozoic biostratigraphic, paleoenvironmental, and paleobiogeographic synthesis, equatorial Atlantic [PDF]

, 1998
Cretaceous sediments from Ocean Drilling Program Leg 159 on the Côte d’Ivoire-Ghana Marginal Ridge (CIGMR), eastern equatorial Atlantic, are characterized by distinct stratigraphic changes in sedimentary facies associated with changes in the composition ...
Shin, I.C., Bellier, J.-P., J.M. Gregg, R. Rauscher, Oboh-Ikuenobe, F.E., Shin, Imchul, Moullade, M., Kaminski, M.A., Shafik, Samir, A.E.L. Holbourn, J. Dejax, Pletsch, T., Rauscher, R., Gregg, J. M., Erbacher, J., Kuhnt, W., T. Pletsch, Rauscher, Raymond, Kuhnt, Wolfgang, Yepes, Oscar, M. Moullade, Watkins, D.K., Holbourn, A.E.L., Kaminski, M. A., Yepes, O., F.E. Oboh-Ikuenobe, Bellier, Jean Pierre, Kaminski, Michael Anthony, Pletsch, Thomas K., Watkins, David K., J. Erbacher, I.C. Shin, M. Schuler, M.A. Kaminski, Dejax, Jean, Masure, E., O. Yepes, Holbourn, Ann E.L., Shin, Im Chul, E. Masure, Shafik, S., Gregg, J.M., Oboh-Ikuenobe, F. E., J.-P. Bellier, Schuler, Monique, Holbourn, A. E.L., Erbacher, Jochen, Schuler, M., Moullade, Michel R., D.K. Watkins, W. Kuhnt, Oboh-Ikuenobe, Francisca, Dejax, J., S. Shafik, Masure, Edwige, Gregg, Jay M.   +55 more
core   +1 more source

A first high-resolution carbon isotope stratigraphy from the Boreal (NW Germany) for the Berriasian to Coniacian interval—implications for the timing of the Aptian–Albian boundary

Frontiers in Earth Science, 2023
High-amplitude changes in sedimentary δ13C characterize the Cretaceous system and have been proven useful for supra-regional chemostratigraphic correlation.
André Bornemann, André Bornemann, Jochen Erbacher, Jochen Erbacher, Martin Blumenberg, Silke Voigt   +5 more
doaj   +1 more source

A basal elasmosaurid plesiosaur from the upper Albian– lower Cenomanian? Cambridge Greensand

Acta Palaeontologica Polonica
An historical indeterminate elasmosaurid specimen CAMSM X50356 (CAMSM = Sedgwick Museum) collected during the 19th century is described. The specimen comes from the Cenomanian Cambridge Greensand although the possibility of an Albian–lower Cenomanian age
Jose P. O’Gorman, Roger B.J. Benson
doaj   +1 more source

Late Albian Col de Palluel (SE France, Niveau Breistroffer): results from palynomorphs

, 2005
Late Albian Col de Palluel (SE France, Niveau Breistroffer): results from ...
Jörg Mutterlose (558960), Jens O Herrle (6977609), Jörg Pross (6961943), Reichelt, Kerstin, Hemleben, Christoph, André Bornemann (6964598), Mutterlose, Jörg, Pross, Jörg, Bornemann, André, Herrle, Jens O, Kerstin Reichelt (7889525), Christoph Hemleben (6962285)   +11 more
core   +1 more source

An Albian demise of the carbonate platform in the Manín Unit (Western Carpathians, Slovakia)

Geologica Carpathica, 2017
The production of platform carbonates of the Manín Unit (Manín Straits, Central Western Carpathians) belonging to the Podhorie and Manín formations and formed by remains of rudists and benthic foraminifers (Urgonian-type carbonates), was previously ...
Fekete Kamil, Soták Ján, Boorová Daniela, Lintnerová Otília, Michalík Jozef, Grabowski Jacek   +5 more
doaj   +1 more source