Palæos:		Unit 350: Aves
The Vertebrates		Cladogram

Aves: Cladogram

THEROPODA
|
Aves
|--Archaeornithes
`--Metornithes
   |--Alvarezsauridae
   `--Ornithothoraces
      |--Enantiornithes
      `--Ornithurae
         |--Hesperornithiformes
         `--Neornithes
            |--Paleognathae
            |  |--Lithornithiformes
            |  `--Ratites
            `--+--GALLOANSERAE
               `--GRUIMORPHA         

THEROPODA
|
Aves ToL
|--Archaeornithes •X
`--Metornithes
   |--Alvarezsauridae X DC, MH
   |  |--Alvarezsaurus •X
   |  `--+--Patagonykus •X
   |     `--Mononykinae X
   |        |--Mononykus •X  
   |        `--+--Parvicursor •X  
   |           `--Shuvuuia •X  
   `--+--Confuciusornithidae •X Th
      `--Ornithothoraces
         |--Enantiornithes •X DC, MH
         `--Ornithurae DC, MH
            |--Patagopterygiformes •X
            `--+--Hesperornithiformes •X DC, MH
               `--Carinatae
                  |--Ichthyornithiformes •X
                  `--Neornithes DC, ToL, MH
                     |--Paleognathae MH
                     |  |--Lithornithiformes •X MH, Tax
                     |  `--+--Tinamiformes • MH, Tax
                     |     `--Ratites Tax 
                     |        |--Struthioniformes • MH, Tax  
                     |        `--+--Rheiformes • MH
                     |           `--+--+--Aepyornithiformes •X MH, Tax
                     |              |  `--+--Dinornithiformes •X MH, Tax  
                     |              |     `--Apterygiformes • MH
                     |              `--Casuariformes • MH
                     `--Neoaves
                        |--Dromornithiformes •X
                        |--GALLOANSERAE
                        `--GRUIMORPHA

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