Aequorlitornithes is a clade of waterbirds recovered in a comprehensive genomic systematic study using nearly 200 species in 2015. It contains the clades Charadriiformes (waders and shorebirds), Mirandornithes (flamingos and grebes) and Ardeae (Eurypygimorphae and Aequornithes).[1] Previous studies have found different placement for the clades in the tree.[2][3][4]
Aequorlitornithes Mirandornithes (flamingos and grebes) 
Charadriiformes (shorebirds) 
Ardeae Eurypygimorphae (sunbittern, kagu and tropicbirds) 
Aequornithes (loons, penguins, herons, pelicans, storks, etc) 
References
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^ Prum, R. O.; et al. (22 October 2015). "A comprehensive phylogeny of birds (Aves) using targeted next-generation DNA sequencing". Nature. 526 (7574): 569–573. Bibcode:2015Natur.526..569P. doi:10.1038/nature15697. PMID 26444237. S2CID 205246158.
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^ Ericson, P. G.P; Anderson, C. L; Britton, T.; Elzanowski, A.; Johansson, U. S; Kallersjo, M.; Ohlson, J. I; Parsons, T. J; Zuccon, D.; Mayr, G. (22 December 2006). "Diversification of Neoaves: integration of molecular sequence data and fossils". Biology Letters. 2 (4): 543–547. doi:10.1098/rsbl.2006.0523. PMC 1834003. PMID 17148284.
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^ Hackett, S. J.; Kimball, R. T.; Reddy, S.; et al. (27 June 2008). "A Phylogenomic Study of Birds Reveals Their Evolutionary History" (PDF). Science. 320 (5884): 1763–1768. Bibcode:2008Sci...320.1763H. doi:10.1126/science.1157704. PMID 18583609. S2CID 6472805.
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^ Jarvis, E.D.; et al. (12 December 2014). "Whole-genome analyses resolve early branches in the tree of life of modern birds". Science. 346 (6215): 1320–1331. Bibcode:2014Sci...346.1320J. doi:10.1126/science.1253451. PMC 4405904. PMID 25504713.
