| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Xiyunykus
Taxonomy
Xiyunykus was named by Xu et al. (2018). It is not extant.
It was assigned to Alvarezsauria by Xu et al. (2018); and to Alvarezsauroidea by Kubo et al. (2023).
It was assigned to Alvarezsauria by Xu et al. (2018); and to Alvarezsauroidea by Kubo et al. (2023).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 2018 | Xiyunykus Xu et al. |
| 2023 | Xiyunykus Kubo et al. p. 29 fig. 18 |
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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
No diagnoses are available
Measurements
No measurements are available
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| Source: subo = suborder, o = order | |||||
| References: Marsh 1875, Benton 1983 | |||||
Age range: Valanginian or 139.80000 to 132.90000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Valanginian | China (Xinjiang) | X. pengi (203178) |