|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
It was reranked as the suborder Theriodontia by Zittel (1890), Seeley (1895), Woodward (1898), Osborn (1903), Kuhn (1946), Haughton and Brink (1954), Colbert and Kitching (1977) and Battail and Surkov (2000); it was reranked as the suborder Theriodonta by Swinton (1934).
It was assigned to Therosuchia by Seeley (1895); to Anomodontia by Osborn (1904); to Theromorpha by Nopcsa (1923); to Anomodontia by Woodward (1898), Osborn (1903) and Haughton (1924); to Theromorpha by Zittel (1890), Swinton (1934) and Kuhn (1946); to Synapsida by Olson (1966); to Therapsida by Roxo (1937), Haughton and Brink (1954) and Colbert and Kitching (1977); to Therapsida by Olson (1962) and Battail and Surkov (2000); and to Neotherapsida by Hopson (1999) and Rubidge and Sidor (2001).
|Year||Name and author|
|1890||Theriodontia Zittel p. 449|
|1898||Theriodontia Woodward p. 141|
|1903||Lycosuchus mackayi Broom|
|1903||Theriodontia Osborn p. 276|
|1904||Theriodontia Osborn p. 101|
|1913||Lycosuchus mackayi Broom|
|1934||Theriodonta Swinton p. 49|
|1937||Theriodontia Roxo p. 43|
|1946||Theriodontia Kuhn p. 57|
|1954||Theriodontia Haughton and Brink p. 6|
|1962||Theriodonta Olson p. 47|
|1966||Theriodonta Olson p. 302|
|1977||Theriodontia Colbert and Kitching p. 3|
|1999||Theriodontia Hopson p. 1257|
|2000||Theriodontia Battail and Surkov p. 108|
|2001||Theriodontia Rubidge and Sidor|
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
|H. G. Seeley 1895||The occipital plate is usually concave. The parietal crest is narrow with large temporal vacuities, and a zygoma into which the malar bone enters. The anterior nares are terminal; the palato-nares are defined by a hard palate. The teeth resemble incisors, canines, and molar teeth odf mammals in form and position.|