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Dimetrodon
Taxonomy
Dimetrodon was named by Cope (1878). It is not extant.
It was assigned to Clepsydropinae by Case (1907); to Clepsydropidae by Cope (1878), Cope (1888), Hay (1902) and Perrier (1928); to Sphenacodontia by Olson (1966); to Sphenacodontinae by Berman (1977) and Reisz (1986); and to Sphenacodontidae by Hay (1930), Romer (1936), Daly (1973), Carroll (1988), Berman et al. (2001) and Martens et al. (2005).
It was assigned to Clepsydropinae by Case (1907); to Clepsydropidae by Cope (1878), Cope (1888), Hay (1902) and Perrier (1928); to Sphenacodontia by Olson (1966); to Sphenacodontinae by Berman (1977) and Reisz (1986); and to Sphenacodontidae by Hay (1930), Romer (1936), Daly (1973), Carroll (1988), Berman et al. (2001) and Martens et al. (2005).
Synonymy list
| Year | Name and author |
|---|---|
| 1878 | Dimetrodon Cope pp. 512, 529 |
| 1888 | Dimetrodon Cope p. 287 |
| 1902 | Dimetrodon Hay p. 432 |
| 1907 | Dimetrodon Case |
| 1928 | Dimetrodon Perrier p. 3085 |
| 1930 | Dimetrodon Hay p. 53 |
| 1936 | Dimetrodon Romer p. 90 |
| 1966 | Dimetrodon Olson p. 302 |
| 1973 | Dimetrodon Daly p. 587 |
| 1977 | Dimetrodon Berman p. 108 |
| 1986 | Dimetrodon Reisz p. 78 |
| 1988 | Dimetrodon Carroll |
| 2001 | Dimetrodon Berman et al. p. 804 |
| 2005 | Dimetrodon Martens et al. |
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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.
G. †Dimetrodon Cope 1878
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†Dimetrodon angelensis Olson 1962
†Dimetrodon booneorum Romer 1937
†Dimetrodon borealis Leidy 1853
†Dimetrodon dollovianus Cope 1888
†Dimetrodon giganhomogenes Case 1907
†Dimetrodon limbatus Cope 1877
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Invalid names: Dimetrodon incisivus Cope 1878 [synonym], Dimetrodon rectiformis Cope 1878 [synonym], Dimetrodon semiradicatus Cope 1881 [synonym]
†Dimetrodon loomisi Romer 1937
†Dimetrodon macrospondylus Cope 1884
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Invalid names: Dimetrodon platycentrus Case 1907 [synonym]
†Dimetrodon milleri Romer 1937
†Dimetrodon natalis Cope 1878
†Dimetrodon occidentalis Berman 1977
†Dimetrodon teutonis Berman et al. 2001
Diagnosis
No diagnoses are available