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Asian Herpetological Research 2023年第3期14卷 246-255页

作者： Jinzhong FU Department of Integrative Biology University of GuelphGuelphOntario N1G 2W1Canada

The taxonomic status of Bufo species in East Asia,particularly those closely related to ***,has been controversial for over half a century,and recent molecular studies further fueled the *** ***,***,***,***,***,and *** constitute valid species or are geographic or ecological variants of *** is at the centre of the *** of these forms possess morphological diagnostic traits,but those differences are minimal and often *** data produced many contradictory *** of clear diagnostic characters,different usage or definition of various names,mis-identified specimens,limited amount of data or samples,and frequent inter-specific hybridization may all have contributed to the current *** contradiction may also result from differences between similarity-based clustering and gene tree-based branching ***,a dominant allopatric differentiation pattern within this species complex is apparent,and several regional population groups have been *** of the groups resemble old names(***,***),while others are *** groups may represent geographic or ecological variants,incipient species,or valid species,and the current data do not warrant a convincing taxonomic *** move forward,a single study with comprehensive sampling and genomic data is needed to establish a solid framework,which will define naturally existing population clusters/lineages,and detect their levels of divergence and approximate geographic *** and ecological examination will follow to understand their biology,determine their taxonomic status,and identify consistent diagnostic characters if necessary.

关键词： allopatric differentiation Bufo gargarizans species complex causes of controversy future directions population cluster taxonomic review

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