摘要: In the past two decades, vicariance biogeography has become a major subdiscipline of biogeography. The subject is study area relationships (e.g., Nelson and Platnick, 1981; Morrone Crisci, 1995; Humphries Parenti, 1999). An important step in investigation transformation taxon cladogram into an cladogram. Different delimitations "unit areas" can result different outcomes