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Muhsinia steffensi
Taxonomy
Muhsinia steffensi was named by de Bruijn et al. (1992). It is not extant. Its type specimen is MTA INK-232, M1 sup. dext., a tooth. Its type locality is Inkonak, which is in a MP 30 terrestrial horizon in Turkey. It is the type species of Muhsinia.
Synonymy list
| Year | Name and author |
|---|---|
| 1992 | Muhsinia steffensi de Bruijn et al. p. 665 |
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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.
†Muhsinia steffensi de Bruijn et al. 1992
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| H. de Bruijn et al. 1992 | Muhsinia is a rather large very low-crowned muroid with cricetid dental pattern. The enamel band of the I is divided into a wider mesial part and a narrower dital part. The enamel of the i presumably has two thin parallel longitudinal ridges. The low anterocone of the M1 is a smooth loop that is linguaaly confluent with the anterolophule and reaches labially to the paracone. The anterior outline of the anterocone is smooth but two "cusps"become visable after some wear. The M1 and M2 have a rounded protocone and a crescent-shaped hypocone. The protolophule and the metalophule of the M1 are parallel and directed posteriorly. In the M2 the protolophule is transverse and the metalophule directed posteriorly. The lingual sinus is directed anteriorly in the M2. The m1 and the m2 have about the same length. The metalophulid I of the lower molars is directed forwards, but the hypolophulid is transverse. |
Measurements
No measurements are available
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| Source: o = order, subc = subclass, c = class, subp = subphylum | |||||
| References: Carroll 1988, Lillegraven 1979, Nowak 1999, Ji et al. 2002, Hendy et al. 2009 | |||||
Age range: base of the Early/Lower Oligocene to the top of the MP 30 or 33.90000 to 23.03000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Oligocene | Turkey (Anatolia) | Muhsinia steffensi (182504) | |
| MP 30 | Turkey | Muhsinia steffensi (type locality: 68157) | |
| MP 30 - MN 1 | Turkey (Anatolia) | Muhsinia steffensi (182505) |