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Symmetrodonta (symmetrodont)
Taxonomy
Symmetrodonta was named by Simpson (1925).
It was reranked as the unranked clade Symmetrodonta by McKenna (1975) and Averianov (2002); it was reranked as the infraclass Symmetrodonta by Averianov and Lopatin (2011).
It was assigned to Allotheria by Hay (1930); to Mammalia by Simpson (1928) and Olson (1966); to Trechnotheria by McKenna (1975) and Prothero (1981); to Yangotheria by Chow and Rich (1982); to Trituberculata by Carroll (1988); to Pantotheria by Cassiliano and Clemens (1979) and Bonaparte (1990); to Theria by Simpson (1929) and Hu et al. (1997); to Holotheria by Averianov (2002); and to Acrotheria by Averianov and Lopatin (2011).
It was reranked as the unranked clade Symmetrodonta by McKenna (1975) and Averianov (2002); it was reranked as the infraclass Symmetrodonta by Averianov and Lopatin (2011).
It was assigned to Allotheria by Hay (1930); to Mammalia by Simpson (1928) and Olson (1966); to Trechnotheria by McKenna (1975) and Prothero (1981); to Yangotheria by Chow and Rich (1982); to Trituberculata by Carroll (1988); to Pantotheria by Cassiliano and Clemens (1979) and Bonaparte (1990); to Theria by Simpson (1929) and Hu et al. (1997); to Holotheria by Averianov (2002); and to Acrotheria by Averianov and Lopatin (2011).
Synonymy list
Year | Name and author |
---|---|
1925 | Symmetrodonta Simpson |
1928 | Symmetrodonta Simpson p. 97 |
1929 | Symmetrodonta Simpson p. 38 |
1930 | Symmetrodonta Hay p. 370 |
1966 | Symmetrodonta Olson p. 302 |
1975 | Symmetrodonta McKenna p. 40 |
1979 | Symmetrodonta Cassiliano and Clemens p. 151 |
1981 | Symmetrodonta Prothero p. 321 |
1982 | Symmetrodonta Chow and Rich p. 129 |
1988 | Symmetrodonta Carroll |
1990 | Symmetrodonta Bonaparte p. 66 |
1997 | Symmetrodonta Hu et al. p. 137 |
2002 | Symmetrodonta Averianov p. 714 |
2011 | Symmetrodonta Averianov and Lopatin p. 34 |
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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.
Infracl. †Symmetrodonta Simpson 1925 [symmetrodont]
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Fm. †Woutersiidae Sigogneau-Russell and Hahn 1995
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G. †Woutersia Sigogneau-Russell 1983
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†Woutersia butleri Sigogneau-Russell and Hahn 1995
†Woutersia mirabilis Sigogneau-Russell 1983
Invalid names: Barbereniidae Bonaparte 1990 [empty], Spalacotheriida Prothero 1981 [empty], Tinodontida Prothero 1981 [empty]
Diagnosis
No diagnoses are available