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Ptilocercus (Pen-tailed tree shrew)
Taxonomy
Ptilocercus was named by Gray (1848). It is extant.
It was assigned to Ptilocercinae by Van Valen (1967); to Tupaiidae by Gunnell (1989); to Ptilocercidae by Helgen (2005); and to Scandentia by Silcox et al. (2010).
It was assigned to Ptilocercinae by Van Valen (1967); to Tupaiidae by Gunnell (1989); to Ptilocercidae by Helgen (2005); and to Scandentia by Silcox et al. (2010).
Synonymy list
| Year | Name and author |
|---|---|
| 1848 | Ptilocercus Gray |
| 1967 | Ptilocercus Van Valen |
| 1989 | Ptilocercus Gunnell p. 147 |
| 2005 | Ptilocercus Helgen |
| 2010 | Ptilocercus Silcox 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.
G. Ptilocercus Gray 1848 [Pen-tailed tree shrew]
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†Ptilocercus kylin Li and Ni 2016
Ptilocercus lowii Gray 1848
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, subc = subclass, c = class, subp = subphylum | |||||
| References: Lillegraven 1979, Hendy et al. 2009, Ji et al. 2002, Nowak 1999, Carroll 1988 | |||||
Age range
Maximum range based only on fossils: Early/Lower Oligocene or 33.90000 to 28.40000 Ma
Minimum age of oldest fossil (stem group age): 28.4 Ma
Minimum age of oldest fossil (stem group age): 28.4 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Oligocene | China (Yunnan) | Ptilocercus kylin (175142) |