The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.
- Simpson, George Gaylord. 1945. The principles of classification and a classification of mammals. Bulletin of the American Museum of Natural History, vol. 85. xvi + 350
- WoRMS (2015). Theria. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=380416
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