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 Siphonorhis P.L. Sclater, 1861 ‡Siphonorhis americana (Linnaeus, 1758)