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Studies on Polyploid Amphibians: Karyotype Evolution and Phylogeny of the Genus Odontophrynus

1974; The Society for the Study of Amphibians and Reptiles; Volume: 8; Issue: 4 Linguagem: Inglês

10.2307/1562903

1937-2418

Maria Luiza Beçak, Willy Beçak,

Genomics and Phylogenetic Studies

Based on the geographical distribution and karyotypes, in particular on satellite localization and number in the various species of Odontophrynus, a hypothetical phylogeny for this genus of anurans is suggested. Tetraploid 0. americanus could have originated by autopolyploidy from the diploid 0. americanus. These populations are already isolated to such an extent that both may be considered different species.