Showing 61 - 80 results of 142 for search '"archosaur"', query time: 0.11s Refine Results
  1. 61

    The cranial morphology of Tanystropheus hydroides (Tanystropheidae, Archosauromorpha) as revealed by synchrotron microtomography by Stephan N.F. Spiekman, James M. Neenan, Nicholas C. Fraser, Vincent Fernandez, Olivier Rieppel, Stefania Nosotti, Torsten M. Scheyer

    Published 2020-11-01
    “…The braincase possesses a combination of derived archosaur traits, such as the presence of a laterosphenoid and the ossification of the lateral wall of the braincase, but also differs from archosauriforms in the morphology of the ventral ramus of the opisthotic, the horizontal orientation of the parabasisphenoid, and the absence of a clearly defined crista prootica. …”
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  2. 62

    What lies beneath: sub-articular long bone shape scaling in eutherian mammals and saurischian dinosaurs suggests different locomotor adaptations for gigantism. by Matthew F Bonnan, D Ray Wilhite, Simon L Masters, Adam M Yates, Christine K Gardner, Adam Aguiar

    Published 2013-01-01
    “…In mammals, joints become ever more congruent and thinner with increasing size, whereas archosaur joints remained both congruent and thick, especially in sauropods. …”
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  3. 63

    Braincase anatomy of the Paleocene crocodyliform Rhabdognathus revealed through high resolution computed tomography by Arthur Erb, Alan H. Turner

    Published 2021-05-01
    “…Dyrosaurids were highly specialized, largely marine, relatives of living crocodylians, and one of the few archosaur lineages to survive the K-Pg extinction. …”
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  4. 64

    Razanandrongobe sakalavae, a gigantic mesoeucrocodylian from the Middle Jurassic of Madagascar, is the oldest known notosuchian by Cristiano Dal Sasso, Giovanni Pasini, Guillaume Fleury, Simone Maganuco

    Published 2017-07-01
    “…Razanandrongobe sakalavae Maganuco, Dal Sasso & Pasini, 2006 is a large predatory archosaur from the Middle Jurassic (Bathonian) of the Mahajanga Basin, NW Madagascar. …”
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  5. 65

    The phylogenetic relationships of basal archosauromorphs, with an emphasis on the systematics of proterosuchian archosauriforms by Martín D. Ezcurra

    Published 2016-04-01
    “…Euparkeria is one of the sister-taxa of the clade composed of proterochampsians and archosaurs. The putative Indian archosaur Yarasuchus is recovered in a polytomy with Euparkeria and more crownward archosauriforms, and as more closely related to the Russian Dongusuchus than to other species. …”
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  6. 66

    Theropod Tridactyl Tracks Across the Triassic–Jurassic Boundary in Southern Africa: Implications for Pedal Morphology Evolution by Miengah Abrahams, Emese M. Bordy, Fabien Knoll, James O. Farlow

    Published 2022-06-01
    “…The end-Triassic mass extinction events mark a pivotal period in archosaur history, and have been proposed to contribute to the rise and dominance of dinosaurs throughout the Mesozoic. …”
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  7. 67

    Evolution of the avian digital pattern by Kenta Kawahata, Ingrid Rosenburg Cordeiro, Shogo Ueda, Guojun Sheng, Yuuta Moriyama, Chika Nishimori, Reiko Yu, Makoto Koizumi, Masataka Okabe, Mikiko Tanaka

    Published 2019-06-01
    “…Abstract Variation in digit number has occurred multiple times in the history of archosaur evolution. The five digits of dinosaur limbs were reduced to three in bird forelimbs, and were further reduced in the vestigial forelimbs of the emu. …”
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  8. 68

    A general scenario of <it>Hox </it>gene inventory variation among major sarcopterygian lineages by Wang Chaolin, Geng Jie, Wu Riga, Liang Dan, Zhang Peng

    Published 2011-01-01
    “…Our <it>Hox </it>gene variation data favor the lungfish-tetrapod, turtle-archosaur and frog-salamander relationships and imply that the loss of <it>HoxD12 </it>is not directly related to digit reduction.…”
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  9. 69

    Dinosaur paleohistology: review, trends and new avenues of investigation by Alida M. Bailleul, Jingmai O’Connor, Mary H. Schweitzer

    Published 2019-09-01
    “…The goal of this review is to document progress in the field of archosaur paleohistology, focusing in particular on the Dinosauria. …”
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  10. 70

    A redescription of Trachelosaurus fischeri from the Buntsandstein (Middle Triassic) of Bernburg, Germany: the first European Dinocephalosaurus-like marine reptile and its systemati... by Stephan N. F. Spiekman, Martín D. Ezcurra, Adam Rytel, Wei Wang, Eudald Mujal, Michael Buchwitz, Rainer R. Schoch

    Published 2024-03-01
    “…Abstract Some of the earliest members of the archosaur-lineage (i.e., non-archosauriform archosauromorphs) are characterised by an extremely elongated neck. …”
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  11. 71

    Integrating gross morphology and bone histology to assess skeletal maturity in early dinosauromorphs: new insights from Dromomeron (Archosauria: Dinosauromorpha) by Christopher T. Griffin, Lauren S. Bano, Alan H. Turner, Nathan D. Smith, Randall B. Irmis, Sterling J. Nesbitt

    Published 2019-02-01
    “…The overall femoral bone histology of D. romeri is similar to that of other early bird-line archosaurs (e.g., woven-bone tissue, moderately to well-vascularized, longitudinal vascular canals). …”
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  12. 72

    Paleoenvironmental and Biotic Changes in the Late Triassic of Argentina: Testing Hypotheses of Abiotic Forcing at the Basin Scale by Adriana C. Mancuso, Randall B. Irmis, Randall B. Irmis, Tomás E. Pedernera, Leandro C. Gaetano, Leandro C. Gaetano, Cecilia A. Benavente, Cecilia A. Benavente, Benjamin T. Breeden III, Benjamin T. Breeden III

    Published 2022-06-01
    “…We find that although many patterns are best explained by sampling issues and taphonomy, pseudosuchian archosaur diversity and rhynchosaur relative abundance conform to predictions of paleoenvironmental forcing as the climate changed from warmer, drier conditions to more temperate humid conditions. …”
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  13. 73

    Biomechanical analysis and new trophic hypothesis for Riojasuchus tenuisceps, a bizarre-snouted Late Triassic pseudosuchian from Argentina by JEREMÍAS R.A. TABORDA, M. BELEN VON BACZKO, JULIA B. DESOJO

    Published 2023-09-01
    “…Ornithosuchids are a Late Triassic pseudosuchian archosaur group, consisting of four species (three from South America, and one from Scotland). …”
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  14. 74

    GOING DEEPER INTO MODERN AND FOSSIL CROCODILIAN TOOTH MICROANATOMY: WHAT CAN BE INFERRED OF PALAEOENVIRONMENT AND TAPHONOMY FROM HISTOCHEMICAL ANALYSES? by Julia Audije-Gil, MARÍA CANILLAS, FERNANDO BARROSO-BARCENILLA, MÉLANI BERROCAL-CASERO, ADOLFO DEL CAMPO, ARMANDO GONZÁLEZ MARTÍN, JUDIT MOLERA, ORIOL VALLCORBA, MIGUEL A. RODRÍGUEZ, OSCAR CAMBRA-MOO

    Published 2022-06-01
    “…In the fossil sample short-period incremental lines show alternate presence of dentinal tubules that has not been described previously either in living or fossil archosaur. This could be related to influence of environmental circadian rhythms in the abundance, size and/or activity of cells depositing dentine in the day-night cycle. …”
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  15. 75

    Pterosaur Tracks from the Upper Cretaceous Anacleto Formation (Neuquén Basin), Northern Patagonia, Argentina: Insights into Campanian Pterosaur Diversity in Gondwana by Ignacio Díaz-Martínez, Arturo M. Heredia, Santiago N. González, Nerina Canale, Silvina de Valais, Carlos A. Cónsole-Gonella, Romina M. Montes, Martina Caratelli, Sofía Urzagasti-Torres, Geraldine Fischer, Agustina Lecuona, Pablo Paniceres, Leonardo Salgado, Paolo Citton

    Published 2022-11-01
    “…Pterosaur tracks from the Anacleto Formation allow us to integrate the body-fossil record from the unit and to add a new component, along with birds, to the flying archosaur fauna coexisting with non-avian dinosaurs, notosuchians, chelonians, squamates and mammals in the Campanian of northern Patagonia.…”
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  16. 76

    The natural history of sound localization in mammals – a story of neuronal inhibition by Benedikt eGrothe, Michael ePecka

    Published 2014-10-01
    “…Our concepts of sound localization in the vertebrate brain are widely based on the general assumption that both the ability to detect air-borne sounds and the neuronal processing are homologous in archosaurs (present day crocodiles and birds) and mammals. …”
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  17. 77

    Evolution of Diversity in the Auditory Papillae of Reptiles by Geoffrey A. Manley

    Published 2023-06-01
    “…The independent origins of middle ears in testudinates, lepidosaurs, and archosaurs in the Triassic led to lineage-specific developments in their auditory epithelia. …”
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  18. 78

    Superiority, competition, and opportunism in the evolutionary radiation of dinosaurs. by Brusatte, S, Benton, M, Ruta, M, Lloyd, G

    Published 2008
    “…The radiation of Triassic archosaurs as a whole is characterized by declining evolutionary rates and increasing disparity, suggesting a decoupling of character evolution from body plan variety. …”
    Journal article
  19. 79

    The osteology of the basal archosauromorph Tasmaniosaurus triassicus from the Lower Triassic of Tasmania, Australia. by Martín D Ezcurra

    Published 2014-01-01
    “…Previous claims of the absence of the vomero-nasal organs in archosaurs, which is suggested by the extant phylogenetic bracket, are questioned because its absence in both clades of extant archosaurs seems to be directly related with the independent acquisition of a non-ground living mode of life.…”
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  20. 80

    Convergent evolution of a mobile bony tongue in flighted dinosaurs and pterosaurs. by Zhiheng Li, Zhonghe Zhou, Julia A Clarke

    Published 2018-01-01
    “…Here, we bring together evidence from preserved hyoid elements from dinosaurs and outgroup archosaurs, including pterosaurs, with enhanced contrast x-ray computed tomography data from extant taxa. …”
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