Neornithes Gadow, 1893 - living birds
   Neognathae Pycraft 1900 see Cohort Neognathae Pycraft, 1900
     Neoaves Sibley et al. 1988 see Subcohort Neoaves Sibley et al., 1988
       [Order] Caprimulgiformes Ridgway, 1881 - nightjars
         Family Caprimulgidae Vigors, 1825 - nightjars
           Subfamily Caprimulginae Vigors, 1825 - nightjars
             Genus Phalaenoptilus Ridgway, 1880 [monotypic]
               Phalaenoptilus nuttallii (Audubon, 1844) - common poorwill
                 1 Phalaenoptilus nuttallii nuttallii (Audubon, 1844)
                 2 Phalaenoptilus nuttallii californicus Ridgway, 1887
                 3 Phalaenoptilus nuttallii hueyi Dickey, 1928
                 4 Phalaenoptilus nuttallii dickeyi Grinnell, 1928
                 5 Phalaenoptilus nuttallii adustus van Rossem, 1941
                 6 Phalaenoptilus nuttallii centralis Moore, 1947