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Xiangxipus youngi
Taxonomy
Xiangxipus youngi was named by Zeng (1982). Its type specimen is HV003-1,2 and is a trace fossil. Its type locality is Hongwei tracksite, Jiuquwan mine (HV), which is in a Cretaceous terrestrial sandstone in the Xiaodong Formation of China.
Synonymy list
| Year | Name and author |
|---|---|
| 1982 | Xiangxipus youngi Zeng p. 58 |
| 1989 | Xiangxipus youngi Zhen et al. p. 193 |
| 2008 | Xiangxipus youngi Fujita et al. p. 41 fig. 10 |
| 2013 | Xiangxipus youngi Lockley et al. p. 11 |
| 2015 | Xiangxipus youngi Xing et al. p. 466 |
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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.
†Xiangxipus youngi Zeng 1982
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| S. Zhen et al. 1989 | Similar to X. chenxiensis but smaller in size (12.0 cm long and 12.5 cm wide), and digit II longer than digit IV, and the hallux is closer. |
Measurements
No measurements are available
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| Source: o = order | |||||
| Reference: Marsh 1875 | |||||
Age range: Late/Upper Cretaceous or 100.50000 to 66.00000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Cretaceous | China (Hunan) | Xiangxipus youngi (type locality: 52853) |