Results 41 to 50 of about 265 (99)

Microanatomy and histology of the distal limb elements of ophthalmosaurids from the Middle Jurassic to the Lower Cretaceous of the Neuqu en Basin, Patagonia, Argentina [PDF]

open access: yes, 2020
Fil: Talevi, Marianella. Universidad Nacional de Río Negro. Instituto de Investigación en Paleobiología y Geología. Río Negro, Argentina.Fil: Campos, Lisandro. Universidad Nacional de Río Negro. Facultad de Ciencias Naturales y Museo.
Campos, Lisandro   +2 more
core  

A revision of the Early Jurassic ichthyosaur Hauffiopteryx (Reptilia: Ichthyosauria), and description of a new species from southwestern Germany

open access: yes, 2020
Hauffiopteryx typicus is an Early Jurassic ichthyosaur species from Europe, for which geographically partitioned morphological variation between specimens from England and Germany has been described.
E. Maxwell, Dirley Cortés
semanticscholar   +1 more source

Occurrence of a second ichthyosaur genus (Reptilia: Ichthyosauria) in the Late Jurassic Gulf of Mexico

open access: yes, 2009
The forefin of the recently excavated partial skeleton of a large ichthyosaur is here described. The specimen comes from the upper Tithonian (Upper Jurassic) La Caja Formation in the south of Coahuila State. The anatomy of the forefin as well as of those
Marie-Céline Buchy   +1 more
semanticscholar   +1 more source

Variação do tamanho corporal em répteis marinhos e sua relação com as extinções do Mesozoico [PDF]

open access: yes, 2018
Tese (doutorado)—Universidade de Brasília, Instituto de Geociências, Programa de Pós-Graduação em Geologia, 2018.Os répteis predadores marinhos desenvolveram-se na Era Mesozoica e tornaram-se componentes dominantes dos ecossistemas marinhos mundiais.
Souza, Lucila Monteiro de
core  

Long bone histology of a eusuchian crocodyliform from the Upper Cretaceous of Spain: Implications for growth strategy in extinct crocodiles [PDF]

open access: yes, 2017
[EN] The long bone histology of a Late Cretaceous eusuchian crocodyliform from the Iberian Peninsula reveals clear variations in the cortical structure which reflects changes in the speed of bone deposition (i.e., skeletal growth) related to ontogeny ...
Company Rodríguez, Julio   +1 more
core   +1 more source

Oldest record of Machimosaurini (Thalattosuchia, Teleosauroidea): teeth and scavenging traces from the Middle Jurassic (Bajocian) of Switzerland [PDF]

open access: yes
The Jurassic period was a time of major diversification for Mesozoic marine reptiles, including Ichthyosauria, Plesiosauria and thalattosuchian Crocodylomorpha.
Bastiaans, Dylan   +5 more
core   +1 more source

New marine reptile assemblage from the Jurassic-Cretaceous boundary beds of the High Andes, Argentina [PDF]

open access: yes, 2022
Jurassic marine reptiles from the southern margin of the Eastern Pacific have been documented since the XIX century. Most of them have been recorded at the Neuquén Basin (west-central Argentina) in sedimentary rocks of the Vaca Muerta Formation (lower ...
Campos, Lisandro   +5 more
core  

Ontogenetic variation in the bone histology of caypullisaurus bonapartei fernández, 1997 (ichthyosauria: ophthalmosauridae) [PDF]

open access: yes, 2012
Con el objetivo de explorar las posibles modificaciones osteohistológicas atribuibles a variaciones ontogenéticas en ictiosaurios, se estudió la microestructura ósea del oftalmosáurido Caypullisaurus bonapartei Fernandez.
Fernández, Marta Susana   +2 more
core   +2 more sources

Ictiosaurios del Parque Nacional Torres del Paine: contexto paleobiogeográfico [PDF]

open access: yes, 2009
Charl
Frey, Eberhard   +4 more
core   +1 more source

Oftalmosáuridos (Ichthyosauromorpha: Ichthyosauria) del Jurásico Tardío-Cretácico Temprano de Patagonia Argentina: disparidad, diversidad y evolución

open access: yes
Los Ophthalmosauridae (Ichthyosauromorpha: Ichthyosauria) conforman el linaje más joven de ictiosaurios y uno de los últimos hitos en la historia evolutiva de estas formas icónicas de tetrápodos adaptados secundariamente a la vida en el medio marino. Los
L. Campos
semanticscholar   +1 more source

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