Sibley et al. (1988) は、チドリ下目（チドリ目に当たる、ただしミフウズラ科を除く）をチドリ小目 Charadriida とシギ小目 Scolopacida に分けた。シギ小目は現在のシギ亜目と同じである。
出典^ Baker, Allan J.; Pereira, Sergio L.; Paton, Tara A. (2007), ⇒“Phylogenetic relationships and divergence times of Charadriiformes genera: multigene evidence for the Cretaceous origin of at least 14 clades of shorebirds”, Biol Lett. 3 (2): 205?209, ⇒http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2375939/ 
^ Matthew, G. Fain; Houde, Peter (2007), “Multilocus perspectives on the monophyly and phylogeny of the order Charadriiformes (Aves)”, BMC Evolutionary Biology 7 (35), doi:10.1186/1471-2148-7-35 
^ Berry, Lainie, ⇒Shorebird ecology and migration, Shorebirds 2020 Project, ⇒http://www.shorebirds.org.au/powerpoint/shorebird_migration_&_ecology_(FILEminimizer).ppt 
^ Strauch Jr., Joseph G. (1978), “The phylogeny of the Charadriiformes (Aves): a new estimate using the method of character compatibility analysis”, The Transactions of the Zoological Society of London 34 (3): 263?345