Bostobe Formation
The Bostobe Formation is a geological formation in Qaraghandy & Qyzylorda, Kazakhstan whose strata date back to the Late Cretaceous.
The sandstones and claystones of the formation were deposited in estuarine, fluvial-lacustrine and fluvial-deltaic environments.
Dinosaur remains are among the fossils that have been recovered from the formation. The formation is about thick and consists primarily of clay with interbeds of sand, representing an estuarine environment.
Fossil content
Khunnuchelys lophorhothon, a trionychid turtle recovered from the formation, was initially thought to belong to a hadrosaurid dinosaur and classified as cf. Lophorhothon sp.;MammalsBeleutinus orloviZhalmouzia bazhanoviParazhelestes sp.
;Ankylosaurs
- Ankylosauridae indet.
;Sauropods
- Opisthocoelicaudiinae Indet.
- Titanosauridae indet.
- Sauropoda indet.
- Caenagnathidae indet.
- Troodontidae indet.
- Therizinosauria indet.
- Ornithomimidae indet.
- Tyrannosauroidea indet.
;TurtlesAdocus foveatusAnatolemys maximusKhunnuchelys lophorhothonLindholmemys gravisShachemys baibolaticaTrionyx kansaiensis, T. onomatoplokos, T. riabinini
;Other reptilesBishara backa
;Amphibians
;FishGobiates sp.
;Flora