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Thrinaxodon
Taxonomy
Thrinaxodon was named by Seeley (1894). It is not extant. Its type is Thrinaxodon liorhinus.
It was assigned to Thecodontia by Gardiner (1982); to Galesauridae by Hopson and Kitching (1972), Colbert and Kitching (1977) and Carroll (1988); to Cynodontia by Gauthier et al. (1989); and to Galesauria by Bonaparte (2012).
It was assigned to Thecodontia by Gardiner (1982); to Galesauridae by Hopson and Kitching (1972), Colbert and Kitching (1977) and Carroll (1988); to Cynodontia by Gauthier et al. (1989); and to Galesauria by Bonaparte (2012).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1894 | Thrinaxodon Seeley p. 991 fig. 1b |
| 1912 | Ictidopsis Broom |
| 1913 | Ictidopsis Broom |
| 1936 | Notictosaurus Broom |
| 1937 | Micrictodon Broom p. 315 fig. 15 |
| 1972 | Thrinaxodon Hopson and Kitching |
| 1977 | Thrinaxodon Colbert and Kitching p. 3 |
| 1982 | Thrinaxodon Gardiner p. 228 |
| 1988 | Thrinaxodon Carroll |
| 1989 | Thrinaxodon Gauthier et al. p. 342 |
| 2012 | Thrinaxodon Bonaparte |
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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. †Thrinaxodon Seeley 1894
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†Thrinaxodon liorhinus Seeley 1894
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Invalid names: Ictidopsis elegans Broom 1912 [synonym], Ictidopsis formosa van Hoepen 1916 [synonym], Micrictodon marionae Broom 1937 [synonym], Notictosaurus luckhoffi Broom 1936 [synonym], Nythosaurus larvatus Owen 1876 [synonym], Thrinaxodon putterilli Broom 1932 [synonym]
Invalid names: Ictidopsis Broom 1912 [synonym], Micrictodon Broom 1937 [synonym], Notictosaurus Broom 1936 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, c = class, subp = subphylum, uc = unranked clade | |||||
| References: Hendy et al. 2009, Benton 1983, Carroll 1988 | |||||
Collections (15 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Triassic | South Africa (Eastern Cape) | T. liorhinus (105606) | |
| Early/Lower Triassic | Antarctica | T. liorhinus (27266 87420) | |
| Early/Lower Triassic | South Africa | T. liorhinus (190133) | |
| Early/Lower Triassic | South Africa (Venterstad) | T. liorhinus (196395) | |
| Induan - Olenekian | South Africa (Free State) | Nythosaurus larvatus (181689) T. liorhinus (88300 98602 105607 181690) T. liorhinus, T. putterilli, Micrictodon marionae (88282) | |
| Induan - Olenekian | South Africa (KwaZulu-Natal) | T. liorhinus (34815) | |
| Induan - Olenekian | South Africa (Eastern Cape) | T. liorhinus (105610 181691) T. liorhinus, Notictosaurus luckhoffi (177605) |