Results 71 to 80 of about 649 (147)

Origen y evolución de Synapsida y origen de Mammalia

open access: yes, 2018
Sistemática y Filogenia de los Vertebrados, 3ra edición (2018). 422 Origen y evolución de Synapsida y origen de Mammalia Fernando Abdala Unidad Ejecutora Lillo, CONICET-Fundación Miguel Lillo, Tucumán, Argentina, y Evolutionary Studies Institute ...
Abdala, Nestor Fernando
core   +1 more source

Youngest dinocephalian fossils extend the Tapinocephalus Zone, Karoo Basin, South Africa

open access: yesSouth African Journal of Science, 2015
The dinocephalians (Synapsida, Therapsida) were one of the dominant tetrapod groups of the Middle Permian (Guadalupian Epoch, ~270–260 million years ago) and are most abundantly recorded in the Tapinocephalus Assemblage Zone (AZ) of the Main Karoo Basin,
Michael O. Day   +5 more
doaj   +1 more source

Form, Function and Evolution of the hypercarnivorous Gorgonopsia (Therapsida, Synapsida)

open access: yes
Die Gorgonopsia waren eine rätselhafte Gruppe fleischfressender Tetrapoden mit stark verlängerten Eckzähnen, die im mittleren und späten Perm lebten und am Ende dieser Epoche ausstarben.
Bendel, Eva-Maria
core   +1 more source

Correlation between Hox code and vertebral morphology in the mouse: towards a universal model for Synapsida

open access: yes, 2017
Background The importance of the cervical vertebrae as part of the skull–neck system in facilitating the success and diversity of tetrapods is clear. The reconstruction of its evolution, however, is problematic because of the variation in the number of ...
Christine Böhmer
core   +1 more source

Função das Presas Caniniformes no Dicinodonte Dinodontosaurus Romer, 1943 (Synapsida, Anomodontia). [PDF]

open access: yesAnuário do Instituto de Geociências, 2007
As limitações mecânicas impostas pelamusculatura são significativas sobre o grau deabertura da mandíbula e repercutem diretamentena forma de obtenção de alimento dos vertebrados,especialmente quando lidamos com animaiscom presas hipertrofiadas.
Leonardo Morato   +2 more
doaj  

Complementary approaches to tooth wear analysis in Tritylodontidae (Synapsida, Mammaliamorpha) reveal a generalist diet.

open access: yesPLoS ONE, 2019
Stereoscopic microwear and 3D surface texture analyses on the cheek teeth of ten Upper Triassic to Lower Cretaceous tritylodontid (Mammaliamorpha) taxa of small/medium to large body size suggest that all were generalist feeders and none was a dietary ...
Daniela C Kalthoff   +5 more
doaj   +1 more source

Mamíferos (Synapsida, Theria) del Valle del Cauca, Colombia

open access: yes
A mammal's (Synapsida: Theria) checklist, of the department of Valle del Cauca (Colombia) is presented. A historical background is given about the expeditions and collections carried out in the department.
Alberico, Michael S.   +2 more
core   +1 more source

Endothiodon cf. bathystoma (Synapsida: Dicynodontia) bony labyrinth anatomy, variation and body mass estimates.

open access: yesPLoS ONE, 2018
The semicircular canal (SC) system of the inner ear detects head angular accelerations and is essential for navigation and spatial awareness in vertebrates.
Ricardo Araújo   +7 more
doaj   +1 more source

Marcas de Predação ou Necrofagia em Stahleckeria potens Huene, 1935 (Synapsida: Dicynodontia) [PDF]

open access: yesAnuário do Instituto de Geociências, 2007
O estabelecimento dos níveis de interaçõesentre tetrápodes extintos baseia-se, sobretudo, eminferências obtidas por meio da análise morfológicae funcional de ossos e dentes fósseis, quepermitem a determinação de hábitos alimentarescom certa segurança ...
Cibele Schwanke
doaj  

Synapsida

open access: yes, 2020
International ...
Laurin, Michel, Reisz, Robert R.
core  

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