Complex sentence: There appear to be two very basal genera and presumably two larger clades which conceivably could be considered subfamilies, but the phylogeny of the Capniidae is by no means robustly resolved, with about one-third of the named genera of uncertain position.
Split into simpler sentences: There appear to be two very basal genera and presumably two larger clades which conceivably could be considered subfamilies. But the phylogeny of the Capniidae is by no means robustly resolved, with about one-third of the named genera of uncertain position.