Results 31 to 40 of about 46,098 (213)
A new rhynchocephalian from the late jurassic of Germany with a dentition that is unique amongst tetrapods. [PDF]
, 2012 Rhynchocephalians, the sister group of squamates (lizards and snakes), are only represented by the single genus Sphenodon today. This taxon is often considered to represent a very conservative lineage.
Adriana López-Arbarello (123259) +17 more
core +1 more source
Dinosaur Bones from the Maestrazgo UNESCO Global Geopark (Teruel, Spain) [PDF]
Geoconservation Research, 2021 The current territory of the Maestrazgo UNESCO Global Geopark has provided fossils that pioneered dinosaur research in Spain. The first Spanish dinosaur, Aragosaurus ischiaticus (published in 1987), five other new genera of dinosaurs and six species were
Luis Alcalá, Rafael Royo-Torres
doaj +1 more source
Acta Palaeontologica Polonica, 2023 The rare Middle Jurassic ammonite Oecoptychius refractus is revisited based on material collected in southern Poland (Ogrodzieniec quarry) and France (St.-Laon near Loudun, western France). Based on available data and an evaluation of the literature, O.
SREEPAT JAIN +3 more
doaj +1 more source
Записки Горного института, 2022 The article presents the results of U-Pb isotope dating (SHRIMP-II, VSEGEI, Saint Petersburg) of zircon crystals extracted from plagiorhyolites of the Monakh Cliff in the area of Cape Fiolent in the western part of the Mountainous Crimea (southern suburb
Nikolay B. Kuznetsov +3 more
doaj +1 more source
The Jurassic age of the "Jurassic flora of Oregon." [PDF]
American Journal of Science, 1910 n ...
openaire +1 more source
Seismic and sequence stratigraphy of Late Jurassic in Nasiriyah oil-field [PDF]
مجلة جامعة الانبار للعلوم الصرفةThe study scope has focused on the Late Jurassic Group: the three genetically related Najmah, Gotnia, and Sulaiy formations beneath an area of more than 40000 Km2 capitalizing on huge integrated 3-D, 2-D seismic and well data compiled with competent ...
Sabah Shejiri
doaj +1 more source
Frontiers in Earth Science, 2023 The eastern Sichuan Basin in China holds vast potential for oil and gas exploration in the Lower-Middle Jurassic strata. However, the geological characteristics and hydrocarbon accumulation patterns of this region remain largely unclear.
Rong Bai +14 more
doaj +1 more source
Sieve-type normal pore canals in Jurassic ostracods: A review with description of a new genus [PDF]
Acta Palaeontologica Polonica, 2020 Sieve-type normal pore canals (StPC) occur commonly in living and fossil cytheroid ostracods but their biological function(s) and evolutionary history are poorly known. The new genus Minyocythere and its four species: Minyocythere macroporosa sp. nov., M.
Alan R. Lord +2 more
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]
, 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
New Early Jurassic thylacocephalan assemblage from the Western Carpathians in Slovakia [PDF]
Acta Palaeontologica PolonicaThylacocephalans (Euarthropoda: Pancrustacea) are extinct marine pancrustaceans characterised by a folded shield, with fossils known from the Upper Ordovician to the Upper Cretaceous, reaching a diversity peak in the Triassic.
Alexis Gerbe +2 more
doaj +1 more source