Results 11 to 20 of about 1,541,264 (242)

Mesogalathea ardua sp. nov., a new species of squat lobster (Decapoda, Galatheidae) from the Upper Jurassic olistolith at Velika Strmica (Dolenjska, Slovenia)

open access: yesGeologija, 2020
A new species of squat lobster, Mesogalathea ardua sp. nov., is described on the basis of newly collected dorsal carapaces from an Upper Jurassic reefal limestone olistolith at Velika Strmica.
Rok GAŠPARIČ   +2 more
doaj   +1 more source

New transitional fossil from late Jurassic of Chile sheds light on the origin of modern crocodiles

open access: yesScientific Reports, 2021
We describe the basal mesoeucrocodylian Burkesuchus mallingrandensis nov. gen. et sp., from the Upper Jurassic (Tithonian) Toqui Formation of southern Chile.
Fernando E. Novas   +8 more
doaj   +1 more source

A facies and palaeogeography-based approach for analysis of petroleum systems in United Arab Emirates

open access: yesJournal of Palaeogeography, 2018
The United Arab Emirates (UAE) is the 8th largest oil producing country and is rich in oil and gas resources. By the end of 2015, 68 oil and 23 gas fields had been discovered.
Shu-Zheng Yin   +3 more
doaj   +1 more source

Evolution in Upper Jurassic Ammonites [PDF]

open access: yesEvolution, 1959
Evolution in ammonites has been known for nearly a century. It was mainly under the influence of Charles Darwin (1859) that paleontologists began to look for successions of similar species and to connect these species into lineages. These early studies of evolution in ammonites are due to, e.g., Waagen (1869), Neumayr (1873) and Gemmellaro (1872-82 ...
openaire   +1 more source

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

open access: yes, 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   +4 more sources

JURASSIC PALEONTOLOGICAL HERITAGE OF MURCIA (BETIC CORDILLERA, SOUTH-EASTERN SPAIN)

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2004
Jurassic rocks of the External and Internal Zones of the Betic Cordillera are widespread in the province of Murcia. Four areas are considered of special interest for stratigraphical and paleontological analysis: a) Sierra Quípar and b) Sierras Lúgar ...
GREGORIO ROMERO   +3 more
doaj   +1 more source

Upper Jurassic carbonate buildups in the Miechów Trough, southern Poland – insights from seismic data interpretations [PDF]

open access: yesSolid Earth, 2020
The geometry and internal architecture of the Upper Jurassic carbonate depositional system in the epicontinental basin of central and western Europe and within the northern margin of the Tethyan shelf are hitherto only partly recognized, especially in ...
Ł. Słonka, P. Krzywiec
doaj   +1 more source

New Approach to Ranking of Jurassic Sedimentary Complexes of the Northern Part of the West Siberian Petroleum Basin

open access: yesGeoresursy, 2017
Recent events, such as the commencement of commercial development of the Novoportovskoye, Bovanenkovskoye fields in the Yamal Peninsula, the creation of infrastructure, pipeline and railway transport facilities, and the decision to build an liquified ...
I.A. Panarin
doaj   +1 more source

Seawater redox variations during the deposition of the Kimmeridge Clay Formation, United Kingdom (Upper Jurassic): evidence from molybdenum isotopes and trace metal ratios [PDF]

open access: yes, 2010
The Kimmeridge Clay Formation (KCF) and its equivalents worldwide represent one of the most prolonged periods of organic carbon accumulation of the Mesozoic.
Pearce, Christopher R.   +5 more
core   +1 more source

POROSPHAERA (PORIFERA), A GLOBULAR SPONGE FROM THE UPPER JURASSIC OF THE CENTRAL IRAN

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2011
Porosphaera, an abundant small spherical calcisponge, well known from Cretaceous strata of Europe, was found in Middle and Upper Jurassic deposits of east-central Iran.
BABA SENOWBARI-DARYAN   +2 more
doaj   +1 more source

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