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Infernolestes rougieri
Taxonomy
Infernolestes rougieri was named by Cifelli et al. (2014). Its type specimen is OMNH 62671, a tooth (right lower molar, perhaps m1), and it is a 3D body fossil. Its type locality is Near the mouth of Hell Canyon, about 17 km ENE of Edgemont (OMNH V1243), which is in a Berriasian/Valanginian fluvial mudstone/sandstone in the Lakota Formation of South Dakota. It is the type species of Infernolestes.
Synonymy list
| Year | Name and author |
|---|---|
| 2014 | Infernolestes rougieri Cifelli et al. fig. 7 |
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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.
†Infernolestes rougieri Cifelli et al. 2014
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. L. Cifelli et al. 2014 | Moderate-sized spalacotheriid differing from other spalacotheriids except Heishanolestes in having an m1 with an obtuse trigonid angle, in having the paraconid/metaconid closely appressed to the protoconid (crown transversely narrow), and in possessing a wide, flat lingual cingulid; differs from other spalacotheriids except Yaverlestes in possessing a long mesial shelf; differs from other spalacotheriids except Spalacotherium evansae and Yaverlestes in bearing an incomplete buccal cingulid; differs from other spalacotheriids except Spalacotheridium, Symmetrodontoides, and Heishanolestes in possessing a flat (not dorsally flexed) lingual cingulid; differs from other spalacotheriids except Spalacotheridium and Spalacolestes in having a relatively shorter metaconid; differs from Heishanolestes in having a less obtuse trigonid angle and less robust trigonid cusps (especially the paraconid). |
Measurements
No measurements are available
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| Source: c = class, subp = subphylum, uc = unranked clade | |||||
| References: Luo et al. 2003, Hopson 1973, Carroll 1988, Hendy et al. 2009 | |||||
Age range: base of the Late/Upper Berriasian to the top of the Late/Upper Valanginian or 145.00000 to 136.40000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Berriasian - Late/Upper Valanginian | USA (South Dakota) | Infernolestes rougieri (type locality: 135449) |