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  • Rest, Joshua SUniversity of Michigan, Museum of Zoology and Department of Ecology and Evolutionary Biology (author)

Molecular systematics of primary reptilian lineages and the tuatara mitochondrial genome.

  • Article/chapterEnglish2003

Publisher, publication year, extent ...

  • 2003
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:uu-208431
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-208431URI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • We provide phylogenetic analyses for primary Reptilia lineages including, for the first time, Sphenodon punctatus (tuatara) using data from whole mitochondrial genomes. Our analyses firmly support a sister relationship between Sphenodon and Squamata, which includes lizards and snakes. Using Sphenodon as an outgroup for select squamates, we found evidence indicating a sister relationship, among our study taxa, between Serpentes (represented by Dinodon) and Varanidae. Our analyses support monophyly of Archosauria, and a sister relationship between turtles and archosaurs. This latter relationship is congruent with a growing set of morphological and molecular analyses placing turtles within crown Diapsida and recognizing them as secondarily anapsid (lacking a skull fenestration). Inclusion of Sphenodon, as the only surviving member of Sphenodontia (with fossils from the mid-Triassic), helps to fill a sampling gap within previous analyses of reptilian phylogeny. We also report a unique configuration for the mitochondrial genome of Sphenodon, including two tRNA(Lys) copies and an absence of ND5, tRNA(His), and tRNA(Thr) genes.

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  • Ast, Jennifer CUniversity of Michigan, Museum of Zoology and Department of Ecology and Evolutionary Biology(Swepub:uu)jenas911 (author)
  • Austin, Christopher C (author)
  • Waddell, Peter J (author)
  • Tibbetts, Elizabeth AUniversity of Michigan, Museum of Zoology and Department of Ecology and Evolutionary Biology (author)
  • Hay, Jennifer M (author)
  • Mindell, David PUniversity of Michigan, Museum of Zoology and Department of Ecology and Evolutionary Biology (author)
  • University of Michigan, Museum of Zoology and Department of Ecology and Evolutionary Biology (creator_code:org_t)

Related titles

  • In:Molecular Phylogenetics and Evolution29:2, s. 289-971055-79031095-9513

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