Results 1 to 10 of about 5,309 (164)

A new Lower Triassic ichthyopterygian assemblage from Fossil Hill, Nevada [PDF]

open access: yesPeerJ, 2016
We report a new ichthyopterygian assemblage from Lower Triassic horizons of the Prida Formation at Fossil Hill in central Nevada. Although fragmentary, the specimens collected so far document a diverse fauna.
Neil P. Kelley   +3 more
doaj   +8 more sources

A new basal ichthyosauromorph from the Lower Triassic (Olenekian) of Zhebao, Guangxi Autonomous Region, South China [PDF]

open access: yesPeerJ, 2022
Here we describe a newly discovered basal ichthyosauromorph from the Lower Triassic of South China, Baisesaurus robustus gen. et sp. nov. The only known specimen of this new species was collected from the Lower Triassic (Olenekian) Luolou Formation in ...
Jicheng Ren   +6 more
doaj   +3 more sources

Tanystropheid archosauromorphs in the Lower Triassic of Gondwana [PDF]

open access: yesActa Palaeontologica Polonica, 2018
Tanystropheidae is a clade of early archosauromorphs with a reported distribution ranging from the Early to the Late Triassic of Asia, Europe, and North America.
Tiane Macedo De Oliveira   +4 more
doaj   +3 more sources

Conodont zonation of Lower Triassic strata in Slovenia

open access: yesGeologija, 2015
The paper presents the results of a conodont study carried out in the Triassic strata in the area of the Slovenian part of the Southern Alps, External Dinarides and the Transition region between the External and Internal Dinarides.
Tea Kolar-Jurkovšek, Bogdan Jurkovšek
doaj   +2 more sources

Characteristics and exploration potential of porous reservoirs in 4th to 5th members of Lower Triassic Jialingjiang Formation in southwestern Sichuan Basin

open access: yesShiyou shiyan dizhi, 2022
The main body of Lower Triassic Jialingjiang Formation in the Sichuan Basin is a set of cratonic platform facies deposits. It is characterized by shallow burial depth, thin reservoir thickness and good gas-bearing property in the southwest.
Rongfeng LIAO   +5 more
doaj   +1 more source

New stratigraphic units of beds with the conchostracan fauna in the Upper Permian and Lower Triassic deposits of Eastern Europe and Siberia

open access: yesУчёные записки Казанского университета: Серия Естественные науки, 2021
The biostratigraphic analysis of conchostracans from the territory of Eastern Europe was based on the study of sections of the Middle–Upper Permian and Lower Triassic deposits of the Upper Volga, Middle Volga–Kama, Dvina–Mezen, and Pechora districts, all,
V.V. Zharinova
doaj   +1 more source

A previously unknown specimen of the temnospondyl amphibian Parotosuchus bogdoanus (Woodward, 1932) from the Lower Triassic of Eastern Europe

open access: yesУчёные записки Казанского университета: Серия Естественные науки, 2021
This article reports on the results of a study of a sample from the collection of the Shtukenberg Geological Museum of Kazan Federal University. The sample is the preorbital part of the skull of a large temnospondyl amphibian previously identified as ...
I.V. Novikov   +2 more
doaj   +1 more source

The anatomy and phylogenetic position of the erythrosuchid archosauriform Guchengosuchus shiguaiensis from the earliest Middle Triassic of China [PDF]

open access: yesPeerJ, 2019
Erythrosuchidae is a clade of early archosauriform reptiles, which were apex predators in many late Early and Middle Triassic ecosystems, following the Permo-Triassic mass extinction.
Richard J. Butler   +4 more
doaj   +2 more sources

Provenance reconstructions. Article 3. Modern research methods for heavy detrital minerals (garnet, tourmaline, chromespinelide, rutile, chloritoid, pyroxene and amphibole)

open access: yesЛитосфера, 2020
Research subject. This article considers accessory minerals, which, unlike zircons, are present in the vast majority of common clastic rocks. Materials and methods.
L. V. Badida, A. V. Maslov, G. A. Mizens
doaj   +1 more source

The westernmost occurrence of Gnathorhiza in the Triassic, with a discussion of the stratigraphic and palaeogeographic distribution of the genus [PDF]

open access: yesFossil Record, 2016
The paper refines the taxonomic assignment of the only representative of the dipnoan genus Gnathorhiza from the Lower Triassic of Poland. It is assigned here to Gnathorhiza otschevi on the basis of morphological and biometrical similarity with the tooth ...
P. Skrzycki
doaj   +1 more source

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