Results 41 to 50 of about 5,375 (265)

Sharks, Rays and a Chimaeroid from the Kimmeridgian (Late Jurassic) of Ringstead, Southern England [PDF]

, 2002
Sampling of a lenticular concentration of vertebrate debris and associated sediments from the lower Kimmeridgian of southern England has allowed the study of a diverse and abundant assemblage of chondrichthyan remains.
Underwood, Charlie J.
core   +1 more source

New Findings of Foraminifers and Age Correction of Callovian (Middle Jurassic) Marine Deposits of the Western Caucasus

Journal of Marine Science and Engineering
A comprehensive understanding of Callovian (Middle Jurassic, Mesozoic) sedimentation and paleogeography requires examination of marine deposits of this stage across multiple geological domains on Earth.
Dmitry A. Ruban, Larisa A. Glinskikh
doaj   +1 more source

Conellae, enigmatic structures on cephalopod shells—shapes, distribution, and formation [PDF]

, 2019
Conellae, enigmatic cone-shaped structures which can be found on the surface of internal moulds of cephalopod shells (predominantly of ammonoids), are regarded herein as the product of remote (biologically induced) biomineralization formed in closed-off ...
Hoffmann, René, Keupp, Helmut, Mironenko, Aleksandr   +2 more
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The tail of the Jurassic fish Leedsichthys problematicus (Osteichthyes: Actinopterygii) collected by Alfred Nicholson Leeds - an example of the importance of historical records in palaeontology [PDF]

, 2004
The specimen of the tail of <i>Leedsichthys problematicus</i>, now in The Natural History Museum, London, was one of the most spectacular fossil vertebrates from the Oxford Clay Formation of Peterborough, but as an isolated find it shares no ...
HOFFSTETTER R., HUENE F., J. J. Liston, L. F. Noè, MARTILL D. M., MARTILL D. M., MICHELIS I., SMITH WOODWARD A., SMITH WOODWARD A., TORRENS H. S.   +9 more
core   +1 more source

Parasitism in Jurassic belemnites: examples from the upper Callovian of southern Poland

Acta Palaeontologica Polonica
Deformation in specimens of Hibolithes hastatus and Rhopaloteuthis spp. are documented from the upper Callovian Lamberti Zone of the Ogrodzieniec quarry, southern Poland.
Sreepat Jain, Wojciech Krawczyński, Mariusz A. Salamon, Piotr Duda, Simon F. Mitchell   +4 more
doaj   +1 more source

A new caridean shrimp fossil with exceptionally preserved organs from the Middle Jurassic of La Voulte-sur-Rhône, France

Acta Palaeontologica Polonica
We used propagation phase contrast synchrotron X-ray micro-computed tomography (PPC-SRμCT) on an exceptionally preserved fossil caridean from the Callovian of the La Voulte-sur-Rhône Konservat-Lagerstätte.
Flavien Lagrange, Denis Audo, Giliane P. Odin, Sammy De Grave, Vincent Fernandez, Kathleen Dollman, Sylvain Charbonnier   +6 more
doaj   +1 more source

Plant remains from the Middle–Late Jurassic Daohugou site of the Yanliao Biota in Inner Mongolia, China

Acta Palaeobotanica, 2017
A late Middle–early Late Jurassic fossil plant assemblage recently excavated from two Callovian– Oxfordian sites in the vicinity of the Daohugou fossil locality in eastern Inner Mongolia, China, was analysed in detail.
CHRISTIAN POTT, BAOYU JIANG
doaj   +1 more source

Role of carbonate minerals in the distribution of trace elements in marine clay formations [PDF]

, 2016
International audienceAnthropogenic radionuclides (RN) are generated by a wide range of industrial and medical activities. In the contexts of waste storage, the quantification of RN migration is of paramount importance.
Claret, Francis, David, Karine, Debure, Mathieu, Grangeon, Sylvain, Lerouge, Catherine, Madé, Benoit, Montavon, Gilles,, Tournassat, Christophe   +7 more
core   +3 more sources

Trans-border (South-Eastern Serbia/South-Western Bulgaria) correlations of the Jurassic sediments: The Getic and Supra-Getic units [PDF]

Geološki Anali Balkanskoga Poluostrva, 2008
The Getic and Supra-Getic are palaeogeographic units in SE Serbia and SW Bulgaria. Based on the presence (in Eastern) or absence (in Western) of Lower Jurassic marine deposits, the Getic is divided into Eastern and Western.
Tchoumatchenco Platon, Rabrenović Dragoman, Radulović Vladan, Malešević Nenad, Radulović Barbara   +4 more
doaj   +1 more source

New ophthalmosaurid ichthyosaurs from the European lower cretaceous demonstrate extensive ichthyosaur survival across the Jurassic–Cretaceous boundary [PDF]

, 2012
Background Ichthyosauria is a diverse clade of marine amniotes that spanned most of the Mesozoic. Until recently, most authors interpreted the fossil record as showing that three major extinction events affected this group during its history: one ...
A Sirotti, AM Kirton, AS Romer, B Choo, BP Kear, Brock Fenton, C Kolb, C McGowan, C McGowan, C McGowan, C McGowan, C McGowan, C McGowan, CW Andrews, CW Andrews, CW Gilmore, CW Gilmore, Darren Naish, DV Efimov, E Seibertz, EE Maxwell, EE Maxwell, EE Maxwell, EE Maxwell, EE Maxwell, F Broili, F Broili, F Lethiers, Fritz J. Krüger, G Baur, HG Seeley, JA Massare, Jeff Liston, Jessica Tainsh, Judith Pardo Pérez, JW Neale, JW Neale, K Nixon, M Fernández, M Fernández, M Fernández, M Foote, M Wade, M Wade, M Zammit, MA Woods, Michael W. Maisch, MS Arkhangelsky, MS Arkhangelsky, MS Arkhangelsky, MT Young, MT Young, MW Maisch, M–C Buchy, N Bardet, N Bardet, N Bardet, N Bardet, N Bardet, N Bardet, N Bardet, NC Arens, P Goloboff, PC Ensom, PF Rawson, PM Barrett, PM Hopson, PM Sander, PM Thorne, PS Druckenmiller, R Araújo, R Forrest, R Johnson, R Motani, R Motani, Ralf Kosma, RB Benson, RJ Butler, RM Appleby, Robert M. Appleby, RT Bakker, S Lindström, SE Peters, T Danelian, T Lingham-Soliar, Ulrich Joger, V Fischer, V Fischer, V Fischer, Valentin Fischer, VM Efimov, W Kiprijanoff   +91 more
core   +6 more sources