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    Cranial osteology and molecular phylogeny of Argyrogena fasciolata (Shaw, 1802) (Colubridae: Serpentes)

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    Name:
    Das et al. 2019 - Argyrogena ...
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    Authors
    Das, S
    Campbell, P
    Roy, S
    Mukherjee, S
    Pramanick, K
    Biswas, A
    Raha, S
    Editors
    Fritz, U
    Issue date
    2019-08-15
    Submitted date
    2019-08-19
    Subject Terms
    Argyrogena
    Skull
    Molecular phylogeny
    Colubridae
    Systematics
    Platyceps
    
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    Abstract
    Descriptive accounts of the cranial osteology of snakes is important for systematics, functional morphology and also, to some extent, palaeontology. In the present study, we describe the skull of Argyrogena fasciolata, a south Asian colubrid snake, in detail. Bones of the snout unit of this snake are adapted for a fossorial mode of life whereas the braincase lacks any adaptations related to such an existence. We also compared its skull with other snakes belonging to sixteen other genera which together form the large clade containing Afrotropical, Palaearctic and Saharo-Arabian racers/whip snakes. The comparison shows that the cranium of A. fasciolata bears more similarity with that of Platyceps spp, differing mostly in three characteristics pertaining to premaxilla, nasal and pterygoid bones, than it does with crania of other genera. This suggests a closer relationship between those two genera. We also performed molecular phylogenetic analyses on three mitochondrial loci using Maximum Likelihood and Bayesian Inference optimality criteria. The resultant phylogenies indeed recover A. fasciolata as sister to Platyceps spp.
    Citation
    Das, S., Campbell, P. D., Roy, S., Mukherjee, S., Pramanick, K., Biswas, A., Raha, S. (2019). Cranial osteology and molecular phylogeny 
of Argyrogena fasciolata (Shaw, 1802) (Colubridae: Serpentes). Vertebrate Zoology, 69(3): 311-325. https://doi.org/10.26049/VZ69-3-2019-04
    Publisher
    Museum of Zoology, Dresden (Senckenberg Gesellschaft für Naturforschung)
    Journal
    Vertebrate Zoology
    URI
    http://hdl.handle.net/10141/622561
    DOI
    10.26049/VZ69-3-2019-04
    Type
    Journal Article
    Item Description
    Published by Senckenberg Gesellschaft für Naturforschung. The journal is published in parallel in a print version and an online version according to the Creative Commons Licence. The attached file is the published pdf.
    ISSN
    1864-5755
    EISSN
    2625-8498
    ae974a485f413a2113503eed53cd6c53
    10.26049/VZ69-3-2019-04
    Scopus Count
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    Life sciences

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