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pro vyhledávání: '"David Cannatella"'
Autor:
David, Cannatella
Publikováno v:
Cytogenetic and genome research. 145(3-4)
Published data from DNA sequences, morphology of 11 extant and 15 extinct frog taxa, and stratigraphic ranges of fossils were integrated to open a window into the deep-time evolution of Xenopus. The ages and morphological characters of fossils were u
Autor:
David Cannatella
Publikováno v:
Systematic Biology. 46:366-369
Autor:
David Cannatella, David M. Green
Publikováno v:
Ethology Ecology & Evolution. 5:233-245
The most morphologically primitive of all frogs are those with amphicoelous vertebrae. These frogs are Ascaphus from North America, the six known fossil and Recent species of Leiopelma from New Zealand, and the Jurassic fossils Nolobatrachus and Vier