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Lakotalestes luoi
Taxonomy
Lakotalestes luoi was named by Cifelli et al. (2014). Its type specimen is OMNH 62673, a tooth (right upper molar from the distal part of the series, perhaps M5), 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 Lakotalestes.
Synonymy list
| Year | Name and author |
|---|---|
| 2014 | Lakotalestes luoi Cifelli et al. fig. 8A |
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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.
†Lakotalestes luoi Cifelli et al. 2014
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. L. Cifelli et al. 2014 | Small dryolestid; upper molars differing from those of Dryolestes, Krebsotherium, and Laolestes in having stylocone placed mesially, adjacent to parastyle and buccal terminus of relatively straight paracrista, rather than in a more median position; differs from all Dryolestidae except Portopinheirodon (which differs in having median ridge mesially placed and closely paralleling paracrista), Kurtodon pusillus (which differs in lacking the metacone) and Amblotherium nanum (which differs in having a weaker median ridge) in lacking cusp “C”. Most similar to Miccylotyrans minimus, differing in: slightly larger size, broader ectoflexus, lacking cusp “C” and parastylar hook; and in having a stronger, continuous (from paracone to median cusp) median ridge; well-developed, tall median cusp; and broad-based central cusp placed on median ridge. |
Measurements
No measurements are available
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| Source: c = class, subp = subphylum, uc = unranked clade | |||||
| References: Luo et al. 2003, Hendy et al. 2009, Hopson 1973, Carroll 1988 | |||||
Age range: Late/Upper Valanginian or 140.20000 to 136.40000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Berriasian - Late/Upper Valanginian | USA (South Dakota) | Lakotalestes luoi (type locality: 135449) | |
| Late/Upper Valanginian - Early/Lower Barremian | USA (South Dakota) | Lakotalestes luoi (135450) |