Results 11 to 20 of about 84 (51)

A mysterious giant ichthyosaur from the lowermost Jurassic of Wales [PDF]

open access: yesActa Palaeontologica Polonica, 2015
Ichthyosaurs rapidly diversified and colonised a wide range of ecological niches during the Early and Middle Triassic period, but experienced a major decline in diversity near the end of the Triassic.
Jeremy E. Martin   +7 more
doaj   +1 more source

Discovering the last Triassic giant: Insights from the marine Late Triassic of Nevada and a new ichthyosaur locality from New York Canyon, Nevada, USA. [PDF]

open access: yes, 2023
Ichthyosaurs are a large group of marine reptiles that first appeared in the Early Triassic Period and continued to be an integral part of marine ecosystems into the Middle Cretaceous Period.
McGaughey, Gary
core   +4 more sources

The first Cretaceosu Ichthyosaur of Colombia [PDF]

open access: yes, 2022
Se describe un fragmento del dentario de un Ictiosaurio, procedente de la Quebrada Luní, Municipio de Piedras, Departamento del Tolima, Colombia. El material no es identificable satisfactoriamente pero puede ser referido a las familias Mixosauridae o ...
De Porta, Jaime   +1 more
core   +2 more sources

A new phylogeny of ichthyosaurs (Reptilia: Diapsida) [PDF]

open access: yes, 2017
The largest phylogenetic analysis of ichthyosaurs to date is presented, with 114 ingroup taxa coded at species level. Completeness of the taxa included varied from > 98% to < 2%; 10 taxa were removed a priori using Concatabominations due to ...
Moon, Benjamin C.
core   +2 more sources

The history of exploration and stratigraphy of the Early to Middle Triassic vertebrate-bearing strata of Svalbard (Sassendalen Group, Spitsbergen) [PDF]

open access: yes, 2018
The palaeontology of the Lower to Middle Triassic succession in Spitsbergen has been studied for more than a century and a half. Our ability to properly interpret the evolutionary and ecological implications of the faunas requires precise stratigraphic ...
Bratvold, Janne   +11 more
core   +1 more source

Revision of historical ichthyosaur fossils (Ichthyosauria, Reptilia) in the collections of the Chlupáč's Museum of Earth History [PDF]

open access: yes, 2023
The presented thesis deals with ichthyosaur fossils in the collections of the Chlupač Museum of the History of the Earth (hereafter CHMHZ). Specifically, these are five original specimens originating from the areas of Holzmaden, Germany (four specimens ...
Rollingerová, Nicola
core  

A reassessment of the enigmatic diapsid Paliguana whitei and the early history of Lepidosauromorpha [PDF]

open access: yes, 2021
Lepidosaurs include lizards, snakes, amphisbaenians and the tuatara, comprising a highly speciose evolutionary radiation with widely varying anatomical traits.
Benson, RBJ   +4 more
core  

Supplemental Information 1: Summary of conodont results. [PDF]

open access: yes, 2015
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.
Baud   +55 more
core   +1 more source

Effects of body plan evolution on the hydrodynamic drag and energy requirements of swimming in ichthyosaurs [PDF]

open access: yes, 2019
Ichthyosaurs are an extinct group of fully marine tetrapods that were well adapted to aquatic locomotion. During their approximately 160 Myr existence, they evolved from elongate and serpentine forms into stockier, fish-like animals, convergent with ...
Benton, Michael   +9 more
core   +8 more sources

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