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"Water birds"
Icadyptes BW
Icadyptes salasi
Scientific classification Red Pencil Icon
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Infraclass: Neognathae
Superorder: Neoaves
Clade: Aequorlitornithes
Clade: Ardeae
Clade: Aequornithes
Mayr, 2010
Orders

Aequornithes (from Latin aequor, expanse of water + Greek ornithes, birds), or core water birds[1] are defined as "the least inclusive clade containing Gaviidae and Phalacrocoracidae".[2] The monophyly of the group is currently supported by several molecular phylogenetic studies.[3][4][5]

Aequornithes includes the clades Gaviiformes, Sphenisciformes, Procellariiformes, Ciconiiformes, Suliformes and Pelecaniformes. It does not include several unrelated groups of aquatic birds such as flamingos and grebes (Mirandornithes), shorebirds and auks (Charadriiformes), or the Anseriformes.

Based on a whole-genome analysis of the bird orders, The Kagu and Sunbittern (Eurypygiformes) and the three species of tropicbirds (Phaethontiformes) together styled as the Eurypgimorphae are the closest sister group of the Aequornithes in the clade Ardeae.[1]

Aequornithes


Gaviiformes



Austrodyptornithes


Procellariiformes



Sphenisciformes





Ciconiiformes




Suliformes



Pelecaniformes


Pelecanidae




Balaeniceps rex



Scopus umbretta




Threskiornithiformes
Ardeiformes


Threskiornithidae



Ardeidae








Cladogram based on Burleigh, J.G. et al.(2014)[6]

References

  1. ^ a b Jarvis, E.D. et al. (2014) Whole-genome analyses resolve early branches in the tree of life of modern birds. Science, 346(6215):1320-1331. DOI: 10.1126/science.1253451
  2. ^ Mayr, G. (2010) Metaves, Mirandornithes, Strisores and other novelties – a critical review of the higher-level phylogeny of neornithine birds. J Zool Syst Evol Res.
  3. ^ Hackett, S.J. et al. (2008) A Phylogenomic Study of Birds Reveals Their Evolutionary History. Science, 320, 1763.
  4. ^ Yuri, T. (2013) Parsimony and model-based analyses of indels in avian nuclear genes reveal congruent and incongruent phylogenetic signals. Biology, 2:419–44.
  5. ^ Kimball, R.T. et al. (2013) Identifying localized biases in large datasets: A case study using the Avian Tree of Life. Mol Phylogenet Evol. doi:10.1016/j.ympev.2013.05.029
  6. ^ Burleigh, J.G. et al.(2014) Building the avian tree of life using a large-scale, sparse supermatrix. Molecular Phylogenetics and Evolution, 84:53–63.



Hemipus picatus This article is part of Project Bird Taxonomy, a All Birds project that aims to write comprehensive articles on every order, family and other taxonomic rank related to birds.
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