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Tegotherium
Taxonomy
Tegotherium was named by Tatarinov (1994). Its type is Tegotherium gubini. It is the type genus of Tegotheriidae.
It was assigned to Docodontidae by Kielan-Jaworowska et al. (2004); and to Tegotheriidae by Pfretzschner et al. (2005), Lopatin et al. (2009), Martin et al. (2010) and Averianov et al. (2010).
It was assigned to Docodontidae by Kielan-Jaworowska et al. (2004); and to Tegotheriidae by Pfretzschner et al. (2005), Lopatin et al. (2009), Martin et al. (2010) and Averianov et al. (2010).
Species
T. gubini (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1994 | Tegotherium Tatarinov |
| 2004 | Tegotherium Kielan-Jaworowska et al. pp. 197, 199-200 fig. 5.8A |
| 2005 | Tegotherium Pfretzschner et al. |
| 2009 | Tegotherium Lopatin et al. |
| 2010 | Tegotherium Averianov et al. p. 129 |
| 2010 | Tegotherium Martin et al. p. 307 |
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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.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| T. Martin et al. 2010 | Referred to Tegotheriidae and differs from all other docodontans by a pseudotalonid that is bordered by crests a–g, a–b, b–e, and g–e. Among tegotheriids, it differs from Tashkumyrodon Martin and Averianov, 2004 by a strong a–d crest and lack of a c–d crest (in Tashkumyrodon, the c–d crest is strong, and crest a–d is absent); it differs from Krusatodon Sigogneau-Russell, 2003a by the lack of additional crests in the distal portion of the crown of the lower molars; it differs from both Tashkumyrodon and Krusatodon by a complete lingual cingulid; it differs from Sibirotherium Maschenko et al., 2003 by a stronger crest e–g and much weaker distal cingulid (crest d–dd). Further, it differs from Krusatodon and Sibirotherium by the presence of two (X and Y) rather than three (X, Y, and Z) lingual cusps on the upper molars. |
Measurements
No measurements are available
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| Source: c = class, subp = subphylum, uc = unranked clade | |||||
| References: Hendy et al. 2009, Carroll 1988, Luo et al. 2003 | |||||
Age range: base of the Late/Upper Oxfordian to the top of the Kimmeridgian or 161.20000 to 152.10000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Jurassic | Mongolia (Govi-Altay) | T. gubini (179192) | |
| Late/Upper Oxfordian - Kimmeridgian | China (Xinjiang) | T. sp. (47056) |