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Posted by: CKing at Wed Nov 19 23:30:06 2003 [ Email Message ] [ Show All Posts by CKing ] According to Maxson (1978), Hyla cinerea, Hyla arborea and Hyla regilla form part of an unresolved polytomy on the basis of immunological distance data. That means Hyla arborea was part of an adaptive radiation of nearctic treefrogs that included a number of other species. Hyla arborea is the only one of this radiation to make it to the Old World, presumably across the Bering Land Bridge connceting the New World and Asia. That means the taxonomic proposal by Hedges and others to transfer Hyla regilla to Pseudacris simply cannot be done because Hyla arborea and Hyla cinerea would also have to be transferred to Pseudacris. But since Hyla arborea is the type species of Hyla and since Hyla has priority over Pseudacris according to the rules of the ICZN, the name Pseudacris would then become a junior synonym of Hyla. | ||
<< Previous Message: Hyla regilla and why this species cannot be classified as Pseudacris - CKing, Wed Nov 19 02:34:17 2003  | ||
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