| Kalaza Formation | |
|---|---|
| Stratigraphic range: Late Kimmeridgian, 155.3–152.1 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓ | |
| Type | Geological formation |
| Underlies | Tugulu Group |
| Overlies | Qigu Formation, Shishugou Formation |
| Location | |
| Country |  China |
| Extent | Junggar Basin, Turpan Basin (equivalent unit) |
The Kalaza Formation is a geological 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. Dinosaur remains are among the fossils that have been recovered from formation.
Vertebrate paleofauna
| Dinosaurs of the Kalazha Formation | ||||
|---|---|---|---|---|
| Genus | Species | Presence | Notes | Images |
|
H. sinojapanorum |
Turpan Basin |
Posterior cervical vertebra | ||
|
cf. Szechuanosaurus |
cf. S. campi |
Geographically located in Xinjiang Uygur Zizhiqu, China. |
Later found to be indeterminate theropod remains. | |
| Rhomaleopakhus | R. turpanensis | Turpan Basin | Right forelimb | |
See also
References
- Maisch, Michael W.; Matzke, Andreas T. (2019-01-01). "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". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 291 (1): 109–117. doi:10.1127/njgpa/2019/0792. ISSN 0077-7749. S2CID 135213577.
- ^ 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.
- ^ Upchurch, Paul; Mannion, Philip D.; Xu, Xing; Barrett, Paul M. (2021-12-13). "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". Journal of Vertebrate Paleontology: e1994414. doi:10.1080/02724634.2021.1994414. ISSN 0272-4634. S2CID 245164168.
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