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Trioracodon
Taxonomy
Trioracodon was named by Simpson (1928). Its type is Triconodon ferox.
It was assigned to Triconodontinae by Simpson (1928), Simpson (1929), Hay (1930), Clemens (1963), Kielan-Jaworowska et al. (2004); and to Triconodontidae by Jenkins and Crompton (1979), Rasmussen and Callison (1981), Carroll (1988), Rougier et al. (1996), Cifelli et al. (1998), Gao et al. (2010).
It was assigned to Triconodontinae by Simpson (1928), Simpson (1929), Hay (1930), Clemens (1963), Kielan-Jaworowska et al. (2004); and to Triconodontidae by Jenkins and Crompton (1979), Rasmussen and Callison (1981), Carroll (1988), Rougier et al. (1996), Cifelli et al. (1998), Gao et al. (2010).
Synonymy list
| Year | Name and author |
|---|---|
| 1928 | Trioracodon Simpson p. 88 fig. 19 |
| 1929 | Trioracodon Simpson p. 30 |
| 1930 | Trioracodon Hay p. 369 |
| 1963 | Trioracodon Clemens |
| 1979 | Trioracodon Jenkins and Crompton p. 75 |
| 1981 | Trioracodon Rasmussen and Callison p. 629 |
| 1988 | Trioracodon Carroll |
| 1996 | Trioracodon Rougier et al. |
| 1998 | Trioracodon Cifelli et al. p. 239 |
| 2004 | Trioracodon Kielan-Jaworowska et al. pp. 219, 246 figs. 7.2C.F. 7.5C, 7.6D, 7.14A |
| 2010 | Trioracodon Gao 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. †Trioracodon Simpson 1928
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†Trioracodon bisulcus Marsh 1880
†Trioracodon major Owen 1871
†Trioracodon oweni Simpson 1928
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, subp = subphylum, uc = unranked clade | |||||
| References: Carroll 1988, Luo et al. 2003, Hopson 1973, Hendy et al. 2009 | |||||
Age range: base of the Kimmeridgian to the top of the Middle Berriasian or 154.80000 to 139.10000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kimmeridgian - Tithonian | USA (Wyoming) | Triconodon bisulcus (12816) | |
| Early/Lower Berriasian - Middle Berriasian | United Kingdom (England) | T. sp. (28401) | |
| Middle Berriasian | United Kingdom (England) | Triconodon major (52254) T. oweni, Triconodon ferox, Triconodon occisor (72142) |