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Pipidae

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Journal Article
Published: 01 July 2001
Journal of Paleontology (2001) 75 (4): 870–882.
... of Zoology, University of Michigan; USNM, United States National Museum, Smithsonian Institution. Family Pipidae Gray, 1825 Subfamily Xenopodinae Fitzinger, 1843 Genus Xenopus Wagler, 1827 Type species. — Xenopus boiei Wagler, 1827, by monotypy. Xenopus arabiensis new...
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Journal Article
Published: 05 August 2015
Canadian Journal of Earth Sciences (2015) 52 (8): 569–580.
... the presence of a crista dentalis and of a relatively unreduced pars facialis exclude it from Pipidae (Cretaceous–Recent, Africa and South America). The lack of teeth in Tyrrellbatrachus is notable because although tooth loss is widespread among extant anurans and has arisen independently multiple times...
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Journal Article
Published: 01 November 2002
Journal of Paleontology (2002) 76 (6): 1115.
...AMY C. HENRICI The Paleontological Society 2002 Amy C. Henrici and Ana Maria Báez. First occurrence of Xenopus (Anura: Pipidae) on the Arabian Peninsula: A new species from the Upper Oligocene of Yemen. Journal of Paleontology, 75:870–882 . In our paper on fossil frogs from Yemen...
Journal Article
Journal: Paleobiology
Published: 01 December 2006
Paleobiology (2006) 32 (4): 666–675.
... to the extant Pipidae, a fact recognized as early as the second half of the nineteenth century by Cope (1865) and still accepted today (e.g., Cannatella and de Sá 1993 ). The main differences between the two families are biostratigraphic and paleogeographic; as mentioned above, the earliest palaeobatrachids...
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Journal Article
Published: 01 December 2012
Bulletin de la Société Géologique de France (2012) 183 (6): 529–535.
... for distinguishing anuran and urodele ilia. For instance, the anterior portion of the iliac shafts in the Pipidae are enlarged due to their sliding articulation with the sacral diapophyses [ Van Dijk, 2002 ] and, thus, somewhat resemble the expanded dorsal end of the iliac shaft seen in many urodeles. Isolated...
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Journal Article
Journal: Paleobiology
Published: 01 January 2004
Paleobiology (2004) 30 (4): 589–613.
... and Xenopus , within Pipidae. Pipids are abundantly represented in the fossil record, but the oldest pipoids, from the Lower Cretaceous, may be stem-pipids that predate the divergence among the extant genera ( Trueb 1999 ; Báez et al. 2000 ). The Coniacian or Santonian (Upper Cretaceous) pipid...
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Journal Article
Published: 01 January 2007
Journal of Paleontology (2007) 81 (1): 143–153.
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Journal Article
Published: 01 April 1997
Journal of the Geological Society (1997) 154 (2): 265–292.