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Leptomeryx obliquidens
Taxonomy
Leptomeryx obliquidens was named by Lull (1922). Its type specimen is YPM 10541, a partial skull (Poorly preserved skull and jaws, with entire series of eheek teeth.), and it is a 3D body fossil. Its type locality is Hermosa (Oligocene), which is in a Whitneyan terrestrial horizon in the Brule Formation of South Dakota.
Synonyms
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Synonymy list
Year | Name and author |
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1922 | Leptomeryx obliquidens Lull p. 115 |
1926 | Leptomeryx obliquidens Matthew p. 4 |
1934 | Leptomeryx agatensis Cook p. 155 |
2001 | Leptomeryx obliquidens Vislobokova p. S138 |
2002 | Leptomeryx obliquidens Korth and Diamond p. 122 |
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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.
†Leptomeryx obliquidens Lull 1922
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Invalid names: Leptomeryx agatensis Cook 1934 [synonym]
Diagnosis
Reference | Diagnosis | |
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R. S. Lull 1922 | Large size; superior molars obliquely set; temporal ridges meeting at a wide angle to form the sagittal crest which is sharp and thin throughout its preserved length; bullæ laterally compressed, elongated oval in shape. |
Measurements
No measurements are available
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Source: f = family, o = order, subc = subclass, c = class, subp = subphylum | |||||
References: Carroll 1988, Hendy et al. 2009, Lillegraven 1979, Webb 1998, Nowak 1999 |
Age range: base of the Whitneyan to the top of the Harrisonian or 33.30000 to 18.50000 Ma
Collections (2 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Whitneyan | USA (South Dakota) | Leptomeryx obliquidens (type locality: 185937) | |
Harrisonian | USA (Nebraska) | Leptomeryx agatensis (17846) |