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Kielantherium
Taxonomy
Kielantherium was named by Dashzeveg (1975). Its type is Kielantherium gobiensis.
It was synonymized subjectively with Aegialodon by Fox (1976).
It was assigned to Tribosphenida by Cifelli (1993); to Boreosphenida by Luo et al. (2003) and Martin and Rauhut (2005); to Aegialodontidae by Dashzeveg (1975), Kielan-Jaworowska et al. (1979), Dashzeveg (1979), Dashzeveg and Kielan-Jaworowska (1984), McKenna and Bell (1997), Kielan-Jaworowska et al. (2004) and Lopatin and Averianov (2007); and to Tribosphenida by Averianov et al. (2015).
It was synonymized subjectively with Aegialodon by Fox (1976).
It was assigned to Tribosphenida by Cifelli (1993); to Boreosphenida by Luo et al. (2003) and Martin and Rauhut (2005); to Aegialodontidae by Dashzeveg (1975), Kielan-Jaworowska et al. (1979), Dashzeveg (1979), Dashzeveg and Kielan-Jaworowska (1984), McKenna and Bell (1997), Kielan-Jaworowska et al. (2004) and Lopatin and Averianov (2007); and to Tribosphenida by Averianov et al. (2015).
Species
K. gobiensis (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1975 | Kielantherium Dashzeveg p. 402 |
| 1979 | Kielantherium Dashzeveg p. 200 |
| 1979 | Kielantherium Kielan-Jaworowska et al. p. 183 |
| 1984 | Kielantherium Dashzeveg and Kielan-Jaworowska p. 219 |
| 1993 | Kielantherium Cifelli p. 9415 |
| 1997 | Kielantherium McKenna and Bell |
| 2003 | Kielantherium Luo et al. p. 1938 |
| 2004 | Kielantherium Kielan-Jaworowska et al. pp. 411, 417-419 fig. 11.4A |
| 2005 | Kielantherium Martin and Rauhut |
| 2007 | Kielantherium Lopatin and Averianov p. 441 |
| 2015 | Kielantherium Averianov 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.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. Lopatin and A. Averianov 2007 | Differs from Aegialodon Kermack, Lees and Mussett, 1965 in having cusp−like mesiolabial cingulid cuspule f, rather than prominent ridge−like precingulid. Differs from Tribactonodon Sigogneau−Russell, Hooker, and Ensom, 2001 in lacking entoconid and lingual cingulid, and having much smaller mesial cingulid cuspules e and f. Differs from Hypomylos Sigogneau−Russell, 1992 in having larger and higher paraconid, well developed mesial cingulid cuspules, relatively shorter talonid with amore horizontal, and less sloping lingually talonid basin bordered lingually by amore prominent entocristid. Differs from crown−group Theria in having a distinctly smaller protocone, and smaller and shorter talonid basin with only two cusps. Differs from Peramus Owen, 1971 by having protocone and four molars. Additionally differs from Eutheria in having four molars and from Metatheria in having at least four premolars. |
Measurements
No measurements are available
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| Source: c = class, subp = subphylum, uc = unranked clade | |||||
| References: Hendy et al. 2009, Carroll 1988, Hopson 1973, Luo et al. 2003 | |||||
Age range: base of the Late/Upper Aptian to the top of the Early/Lower Albian or 122.46000 to 109.00000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Aptian - Early/Lower Albian | Mongolia (Övörkhangai Aymag) | Insectivora indet. (77191) |