Results 21 to 30 of about 84 (51)

Vertebrate Diversity of the Middle Triassic Xingyi Fauna [PDF]

open access: yes
The Xingyi Fauna yields abundant and well-articulated skeletons of Ladinian (Middle Triassic, ab. 240 Ma) marine reptiles, associated with fishes, conodonts, crinoids, ammonoids, bivalves, arthropods, and other fossils including nannofossils and ...
Conedera, Davide   +10 more
core   +1 more source

The biostratigraphy of the Permian and the Triassic. Part 5: A review of the classification and distribution of Permo-Triassic tetrapods [PDF]

open access: yes, 1977
Main articleA tabulated synthesis of the classification, with geographic and stratigraphic ranges, of the Permo-Triassic tetrapod genera (amphibians, reptiles and mammals) is presented. 657 named genera placed in 161 families are in current use.

core  

The Carnian/Norian boundary succession at Berlin-Ichthyosaur State Park (Upper Triassic, central Nevada, USA) [PDF]

open access: yes, 2014
The Upper Carnian-Lower Norian (Upper Triassic) Luning Formation at Berlin-Ichthyosaur State Park (BISP) in central NV (USA) has been sampled using for the first time the bed-by-bed approach for ammonoids, pelagic bivalves, and conodonts, more than 60 ...
C.A. McRoberts   +5 more
core   +1 more source

Asymmetric fin shape changes swimming dynamics of ancient marine reptiles’ soft robophysical models [PDF]

open access: yes
Animals have evolved highly effective locomotion capabilities in terrestrial, aerial, and aquatic environments. Over life’s history, mass extinctions have wiped out unique animal species with specialized adaptations, leaving paleontologists to ...
Allione, Federico   +8 more
core   +1 more source

A Skeleton in Triassic Rocks in the Brooks Range Foothills [PDF]

open access: yes, 1973
Fragments of vertebrate fossils are found in beds of the Shublik Formation, which blanketed most of northern Alaska during Triassic time. Although articulated remains are uncommon, one partial skeleton was discovered in 1950 during exploration of Naval ...
Mull, C.G.   +2 more
core   +1 more source

Sampling diverse characters improves phylogenies:craniodental and postcranial characters of vertebrates often imply different trees [PDF]

open access: yes, 2016
This is the author accepted manuscript. The final version is available from Wiley via http://dx.doi.org/10.1111/evo.12884Morphological cladograms of vertebrates are often inferred from greater numbers of characters describing the skull and teeth than ...
Abourachid   +236 more
core   +3 more sources

NUCLEATION PROCESSES IN HIGH-RELIEF CARBONATE PLATFORMS: SEDIMENTOLOGIC CHARACTERIZATION, FACIES COMPOSITION AND DEPOSITIONAL EVOLUTION OF THE ESINO LIMESTONE (LADINIAN-LOWER CARNIAN) IN LOMBARDY [PDF]

open access: yes, 2018
High-relief carbonate platforms evolve from a poorly known nucleation stage that has different environmental conditions and depositional processes with respect to the mature stage of the platform.
A. Tessarollo
core   +1 more source

The anatomy, taxonomy and systematics of Middle Triassic–Early Jurassic ichthyosaurs (Reptilia: Ichthyopterygia) and the phylogeny of Ichthyopterygia [PDF]

open access: yes, 2018
Ichthyosaurs were a successful group of Mesozoic marine reptiles spanning a time interval of nearly 160 million years, from the Early Triassic to the early Late Cretaceous.
Wolniewicz, Andrzej
core   +1 more source

A review of British Upper Jurassic ichthyosaurs [PDF]

open access: yes, 1983
PhD ThesisThe introduction to the thesis presents a synopsis of British Jurassic stratigraphy, and a brief account of the occurrence of British Upper Jurassic ichthyosaur remains which highlights the importance of the Leeds Collection of ichthyosaurs.
Kirton, Angela M.
core  

Ichthyosaurs of the British Middle and Upper Jurassic. Part 2. Brachypterygius, Nannopterygius, Macropterygius, and Taxa invalida [PDF]

open access: yes, 2018
In Part 2, ichthyosaur taxa of the Late Jurassic are described; three taxa are considered valid: Brachypterygius extremus, Nannopterygius enthekiodon, and Macropterygius sp. indet. (Ichthyosauria: Ophthalmosauridae).
Kirton, Angela M, Moon, Ben
core   +2 more sources

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