Results 1 to 10 of about 8,079 (230)

Ray-finned fishes (Actinopterygii) from the Upper Jurassic (Oxfordian) of the Atacama Desert, Northern Chile [PDF]

open access: yesPeerJ, 2022
This contribution presents novel records of ray-finned fishes from the Oxfordian of Cerritos Bayos, northern Chile. This includes a Pachycormiformes diversity represented by macropredatory forms (aff. Hypsocormus sp.
Rodrigo A. Otero
doaj   +3 more sources

Gondwanan cyrtocrinids uncover hidden diversity and crinoid dispersal pathways [PDF]

open access: yesScientific Reports
The post-Palaeozoic crinoid order Cyrtocrinida exhibits remarkable morphological diversity and ecological versatility, yet its fossil record from southern continents remains fragmentary and poorly understood.
Mariusz A. Salamon   +5 more
doaj   +2 more sources

Filling the Corallian gap: New information on Late Jurassic marine reptile faunas from England [PDF]

open access: yesActa Palaeontologica Polonica, 2018
Two of the best known Mesozoic marine reptile assemblages can be found in units deposited in the Jurassic Sub-Boreal Seaway of the UK: the late Middle Jurassic Oxford Clay Formation (OCF) and Late Jurassic Kimmeridge Clay Formation (KCF). They record two
Davide Foffa   +2 more
doaj   +5 more sources

First record of a Late Jurassic rhamphorhynchine pterosaur from Gondwana [PDF]

open access: yesActa Palaeontologica Polonica, 2021
We describe partial remains of a non-pterodactyloid pterosaur from Upper Jurassic levels of the Atacama Desert in northern Chile. The material includes a left humerus, a possible dorsal vertebra, and the shaft of a wing phalanx, all preserved in three ...
Jhonatan Alarcón-Muñoz   +5 more
doaj   +1 more source

Radiolarian assemblage from radiolarites of the Krš Gradac section (SW Serbia): On the way to a better reconstruction of the Middle-Late Jurassic geodynamic history of the Inner Dinarides [PDF]

open access: yesGeološki Anali Balkanskoga Poluostrva, 2023
The type section of the Gonje Formation (Krš Gradac, Sjenica area) is characterized by an abundance of radiolarian tests, which, however, are gene rally recrystallized and poorly preserved.
Đerić Nevenka, Vuletić Marija
doaj   +1 more source

Upper Callovian and Oxfordian molluscs and brachiopods from selected localities of the Kraków-Częstochowa Upland and the Świętokrzyskie Mountains, Poland

open access: yesGeo&Bio, 2021
The aim of the study was the taxonomic, morphological, ecological and stratigraphic characterization of marine invertebrate groups from the localities of Wiek and Wysoka (Krakow-Częstochowa Upland) and Gnieździska (Świętokrzyskie Mountains). All of these
S. Wszelaki
doaj   +1 more source

Analysis of geological features of Oxfordian section to develop a digital model for productive strata [PDF]

open access: yesНефтегазовая геология: Теория и практика, 2021
The article proposes a methodological approach to the development of a geological model for Oxfordian carbonate section of one of the gas condensate fields in the south of Russia.
Gasumov R.A.   +2 more
doaj   +1 more source

Poly-phased fluid flow in the giant fossil pockmark of Beauvoisin, SE basin of France

open access: yesBSGF - Earth Sciences Bulletin, 2020
The giant Jurassic-aged pockmark field of Beauvoisin developed in a 800 m wide depression for over 3.4 Ma during the Oxfordian; it formed below about 600 m water depth.
Gay Aurélien   +13 more
doaj   +1 more source

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

open access: yes, 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   +91 more
core   +13 more sources

Stratigraphic Modelling of the Lower/Middle Oxfordian (Upper Jurassic) Outer Ramp Deposits from the NE Paris Basin (France)

open access: yesGeosciences, 2022
We investigate herein the lateral and vertical lithological heterogeneities of the Lower/Middle Oxfordian deposits (“Terrain à Chailles” and “Marnes des Eparges” formations) in the north-eastern Paris Basin.
Chloé Morales   +5 more
doaj   +1 more source

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