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Thereuodon
Taxonomy
Thereuodon was named by Sigogneau-Russell (1989). Its type is Thereuodon dahmani.
It was assigned to Thereuodontidae by Sigogneau-Russell and Ensom (1998), Kielan-Jaworowska et al. (2004) and Allain et al. (2022).
It was assigned to Thereuodontidae by Sigogneau-Russell and Ensom (1998), Kielan-Jaworowska et al. (2004) and Allain et al. (2022).
Species
T. dahmani (type species), T. taraktes
Synonymy list
Year | Name and author |
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1989 | Thereuodon Sigogneau-Russell |
1998 | Thereuodon Sigogneau-Russell and Ensom pp. 450-451 |
2004 | Thereuodon Kielan-Jaworowska et al. pp. 345, 363 fig. 9.7D |
2022 | Thereuodon Allain 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. †Thereuodon Sigogneau-Russell 1989
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†Thereuodon dahmani Sigogneau-Russell 1989
†Thereuodon taraktes Sigogneau-Russell and Ensom 1998
Diagnosis
Reference | Diagnosis | |
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D. Sigogneau-Russell and P. Ensom 1998 | Very acute trigon crests; labial cingulum depressed in the middle, faint lingual cingulum, cusp D in posterior part of the crown; two roots; no facet A. |
Measurements
No measurements are available
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Source: c = class, subp = subphylum, uc = unranked clade | |||||
References: Carroll 1988, Luo et al. 2003, Hendy et al. 2009, Hopson 1973 |
Age range: base of the Early/Lower Berriasian to the top of the Middle Berriasian or 145.00000 to 140.20000 Ma
Collections (3 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Late/Upper Tithonian - Early/Lower Berriasian | Morocco (Oriental) | T. dahmani (45726) | |
Early/Lower Berriasian - Middle Berriasian | United Kingdom (England) | T. taraktes (28995) | |
Berriasian | France (Poitou-Charentes) | T. taraktes (142093) |