Donguz Formation
The Donguz Formation or Donguz Rocks is stratigraphic formation that crops out on the right bank of Donguz River in Orenburg Oblast, Russia, across the settlement of Pervomaisky. It is famous for its rich collection of the fossils of Middle Triassic tetrapods.
It is a nature monument.The following fossils have been found in the Donguz Formation:
- Temnospondyls
- * Eryosuchus antiquus, Ochev
- * E. garjainovi, Ochev
- * E. tverdochlebovi, Ochev
- * Bukobaja? sp.
- * Plagiorophus danilovi
- * Plagioscutum ochevi, Shishkin
- * Plagiosternum paraboliceps
- Thecodonts
- * Jushatyria vjushkovi
- Procolophonid
- * Kapes serotinus, Novikov
- Proterosuchids
- * Sarmatosuchus ochevi, Sennikov
- Erythrosuchids
- * Uralosaurus magnus,
- Rauisuchidae
- * Dongusia colorata, Huene
- * Dongusuchus efremovi, Sennikov
- * Vjushkovisaurus berdjanensis, Ochev
- Euparkeriidae
- * Dorosuchus neoetus, Sennikov
- Dicynodonts
- * Kannemeyeria spp.
- Shansiodon gracile
- Therocephalians
- * Dongusaurus schepetovi, Vyushkov
- * Nothogomphodon danilovi, Tatarinov
- Diademodontids
- * Scalenodon boreus, Tatarinov
- Traversodontids
- * Antecosuchus ochevi, Tatarinov
- Therapsids
- * Calleonasus furvus
- * Cristonasus koltaeviensi
- * Elatosaurus facetus
- * Nasoplanites danilovi
- * Parvobestiola bashkiriensis
- * Rabidosaurus cristatus
- * Rhadiodromus klimovi
- Fish
- * Ceratodus bucobaensis, C. recticristatus
