Caprimulgus_europaeus_and_aegypticus_and_enarratus_and_voliferusAegialornis_leenhardti_and_gallicusPrimapus_lackiScaniacypselus_wardiEocypselus_vincentiLaputa_robustaHemiprocnidaeApodidaeOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Dyke_2001b