Hebsgaard et al. (2004) established the superfamily Aphelocheiroidea for the families Aphelocheiridae (Old World) and Potamocoridae (Neotropical Region), based on their combined phylogenetic analysis of both molecular and morphological characters. Hua et al. (2009), however, supported the inclusion of Aphelocheiridae in Naucoroidea based on mitochondrial genome analysis. Further evidence is necessary to elucidate this question.
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