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{{Short description|Geological formation in Xinjiang, China}}
{{Infobox rockunit
| name = Kalaza Formation
| image =
| caption =
| type = [[Geological formation]]
| age = Late [[Kimmeridgian]], <br/> {{fossilrange|155.3|152.1}}
| period = Late Jurassic
| prilithology =
| otherlithology =
| namedfor =
| namedby =
| region =
| country = {{flag|China}}
| coordinates =
| unitof =
| subunits =
| underlies = [[Tugulu Group]]
| overlies = [[Qigu Formation]], [[Shishugou Formation]]
| thickness =
| extent = [[Junggar Basin]], [[Turpan Basin]] (equivalent unit)
| area =
| map =
| map_caption =
}}
The '''Kalaza Formation''' is a geological [[Formation (geology)|formation]] in Xinjiang, China whose strata date back to the [[Late Jurassic]]. There is some confusion with the stratigraphy of this unit, as the term is used for sediments of equivalent age in both the [[Junggar Basin]] and the [[Turpan Basin]].<ref>{{Cite journal|last1=Maisch|first1=Michael W.|last2=Matzke|first2=Andreas T.|date=2019-01-01|title=First record of a eusauropod (Dinosauria: Sauropoda) from the Upper Jurassic Qigu-Formation (southern Junggar Basin, China), and a reconsideration of Late Jurassic sauropod diversity in Xinjiang|journal=Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen|language=en|volume=291|issue=1|pages=109–117|doi=10.1127/njgpa/2019/0792|s2cid=135213577|issn=0077-7749}}</ref> Dinosaur remains are among the fossils that have been recovered from formation.<ref name="latejurassicdistribution">Weishampel, David B; et al. (2004). "Dinosaur distribution (Late Jurassic, Asia)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 550–552. {{ISBN|0-520-24209-2}}.</ref>

==Vertebrate paleofauna==
{| class="wikitable" align="center" width="100%"
|-
! colspan="5" align="center" |'''[[Dinosaur]]s of the Kalazha Formation'''
|-
! Genus
! Species
! Presence
! Notes
! Images
|-
|
''[[Hudiesaurus]]''<ref name="latejurassicdistribution" />
|
''H. sinojapanorum''<ref name="latejurassicdistribution" />
|
Turpan Basin
|
Posterior cervical vertebra<ref name=":0">{{Cite journal|last1=Upchurch|first1=Paul|last2=Mannion|first2=Philip D.|last3=Xu|first3=Xing|last4=Barrett|first4=Paul M.|date=2021-12-13|title=Re-assessment of the Late Jurassic eusauropod dinosaur ''Hudiesaurus sinojapanorum'' Dong, 1997, from the Turpan Basin, China, and the evolution of hyper-robust antebrachia in sauropods|url=https://doi.org/10.1080/02724634.2021.1994414|journal=Journal of Vertebrate Paleontology|pages=e1994414|doi=10.1080/02724634.2021.1994414|s2cid=245164168|issn=0272-4634|doi-access=free}}</ref>
|-
|style="background:#E6E6E6;"|
cf. ''[[Szechuanosaurus]]''<ref name="latejurassicdistribution" />
|style="background:#E6E6E6;"|
cf. ''S. campi''<ref name="latejurassicdistribution" />
|style="background:#E6E6E6;"|
Geographically located in Xinjiang Uygur Zizhiqu, China.<ref name="latejurassicdistribution" />
|style="background:#E6E6E6;"|
Later found to be indeterminate theropod remains.<ref name="latejurassicdistribution" />
|-
|''[[Rhomaleopakhus]]''
|''R. turpanensis''<ref name=":0" />
|Turpan Basin
|Right forelimb<ref name=":0" />
|-
|}

==See also==
{{Portal|Earth sciences|Paleontology|Dinosaurs||}}
* [[List of dinosaur-bearing rock formations]]

==References==
{{Reflist}}

{{coord missing|Xinjiang}}

[[Category:Jurassic System of Asia]]
[[Category:Tithonian Stage]]

{{paleo-site-stub}}
{{Xinjiang-geo-stub}}

Kalaza Formation - Revision history

imported>Pedeiaenthusiast: Added short description