Template:Short description
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The Balabansai Formation (sometimes transcribed Balabansay,[1] also known as Balabansai Svita) is a geological formation in Kazakhstan, Kyrgyzstan and Uzbekistan whose strata date back to the Bathonian and Callovian stages of the Middle Jurassic. Dinosaur remains are among the fossils that have been recovered from the formation.[2] The lithology primarily consists of variegated sandstones, siltstones, claystones, and rare gravels and marls.[3] Many taxa have been found in the formation, including amphibians[4] and mammals.[5]
Vertebrate paleofauna
Indeterminate Avialae remains located in Ongtustik Qazaqstan Oblysy, Kazakhstan.[2]
Fish
Amphibians
Turtles
Lizards
Choristoderes
| Choristoderes of the Balabansai Formation
|
| Genus
|
Species
|
Presence
|
Notes
|
| Choristodera
|
Indeterminate
|
|
Similar to Cteniogenys
|
Crocodyliformes
Dinosaurs
| Dinosaurs
|
| Genus
|
Species
|
Presence
|
Material
|
Notes
|
|
Praeornis[2]
|
P. sharovi[2]
|
Geographically located in Ongtustik Qazaqstan Oblysy, Kazakhstan.[2]
|
|
|
| Alpkarakush[7]
|
A. kyrgyzicus
|
Jalal-Abad Oblast, Kyrgyzstan
|
A partial skeleton including skull bones, partial pectoral and pelvic girdles, dorsal and sacral vertebrae, and most of the hindlimbs
|
A metriacanthosaurid theropod
|
| Ferganasaurus[8]
|
F. verzilini
|
Located within Kyrgyzstan
|
|
Basal sauropod
|
| Ferganocephale[3]
|
F. adenticulatum
|
Located within Kyrgyzstan
|
|
Dubious taxon, Neornithischia indet.
|
| Neosauropoda indet.[3]
|
Family, genus and species indeterminate
|
Kyrgyzstan
|
A heavily worn tooth, the apex of a tooth crown, a left metatarsal I, and a right manual phalanx
|
|
| Tetanurae indet.[3]
|
Family, genus and species indeterminate
|
Kyrgyzstan
|
Dozens of teeth
|
|
| Stegosauria indet.[9]
|
Family, genus and species indeterminate
|
Kyrgyzstan
|
Four posterior dorsal vertebrae
|
May be as old as Adratiklit. Remains not diagnostic, given nomen nudum "Ferganastegos" by Roman Ulansky.
|
Pterosaurs
| Mammals
|
| Genus
|
Species
|
Presence
|
Notes
|
| Rhamphorhynchinae indet.[3]
|
Genus and species indeterminate
|
Kyrgyzstan
|
|
Mammals
Invertebrate paleofauna
Molluscs
Flora
Conifers
Ferns
See also
References
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- ↑ a b c d e 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. Template:ISBN.
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- ↑ a b c d e f Script error: No such module "citation/CS1".
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