Kazakhstan - Kirghizia

The Balabansai vertebrate assemblage is most similar to the Callovian assemblages from the Qigu and Upper Shaximiao formations in China, and intermediate in the evolutionary level of the taxa present between the Bathonian assemblages from Wucaiwan and the Lower Shaximiao formations (China) and the Late Jurassic Shar Teg fauna from Mongolia.


Ferganasaurus verzilini - Kirghizia - Sauropodomorpha Sauropoda - Jurassic Middle Callovian


Ferganocephale adenticulatum - Kirghizia - Pachycephalosauria Pachycephalosauridae - Jurassic Middle Callovian


Praeornis sharovi ~/~ - Kazakhstan - Maniraptora Avialae [Praeornithes Praeonithiformes Praeornithidae] - Jurassic Late


Pterosaur - Kirghizia - Rhamphorhynchinae indet. - Jurassic Middle Callovian


Tetanurae indet - Kirghizia - Possibly a stem-lineage representative of Dromaeosauridae - Jurassic Middle Callovian


Sauropod - Kirghizia - Neosauropoda indet. - Jurassic Middle Callovian