KEY TO THE GENERA OF THE TRIBE ORYZOMYINI (RODENTIA: CRICETIDAE: SIGMODONTINAE)
作者： Marcelo Weksler , Alexandre Reis Percequillo
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摘要: Due to recent phylogenetic and revisionary taxonomic work, the systematics of Tribe Oryzomyini, largest group sigmodontine rodents, underwent profound changes. We present here an artificial key for genera this enabling researchers identify oryzomyines using external, cranial dental characteristics. also most up-to-date diversity assessment tribe, in which we recognize 33 extant extinct (plus three undescribed genus-group taxa) 130 valid species RESUMO: Chave para os generos da tribo Oryzomyini (Rodentia: Cricetidae: Sigmo- dontinae). Devido a esforcos recentes em filogenia e revisao taxonomica, sistematica Tribo o grupo mais diversificado dentre sigmodontineos, passou por profundas mudancas. Neste trabalho, nos apresentamos uma chave deste de roedores, que permitira pesquisadores identificarem oryzomyineos atraves caracteristicas morfologia externa, craniana dentaria. Nos tambem panorama recente diversidade tribo, na qual reconhecemos (alem tres taxons do genero ainda nao descritos) especies.
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