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 Caprimulgus Linnaeus, 1758 Caprimulgus fossii Hartlaub, 1857 - square-tailed nightjar Caprimulgus fossii griseoplurus Clancey, 1965