Members of the class Mammalia are vertebrate animals characterized by having mammary glands, a neocortex, fur/hair, and three middle ear bones.

Mammalia

Members of the class Aves are warm-blooded vertebrate animals which are characterized by: Feathers; The capability of winged flight in most, but not all, species; Jaws that are toothless and beaked; The laying of eggs with hard shells; A high metabolism; Hearts with four chambers; And skeletons that are strong but lightly built. 

Aves

- Mammalia
- Leptocardii
- Ascidiacea 
- Thaliacea 
- Appendicularia 
- Sorberacea
- Cyclostomata
- Chondrichthyes
- Osteichthyes
- Amphibia 
- Reptilia
- Aves 

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San Jose State University

Members of the Chordata phylum are distinguished by having a notochord, dorsal hollow nerve cord, endostyle or thyroid, pharyngeal slits, and a post-anal tail at some point in their lifetime.

Chordata

One or more orders grouped together, distinguishes differences within a phylum/division.

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