The Dushihin Formation is an Early Cretaceous (Aptian) geologic formation in the Övörkhangai Province of Mongolia.Dushihin Formation in the Paleobiology Database The formation preserves fossils of Psittacosaurus mongoliensis and fossil eggs described as Trachoolithus faticanus.
Description The formation comprises concretionary, calcareous claystones and concretionary, brown, gray, green, blue, calcareous claystones with large flattened lime concretions. Within in the formation is a lens of lighter grayish-brown clay with green and blue spots and small lime concretions. In the lens is also an inclusion of blue, pale purple-spotted aleurite. The depositional environment has been interpreted as lacustrine.Builjasutuin-Khuduk in the Paleobiology Database
Fossil content The following fossils were reported from the lacustrine claystones and conglomerates of the formation: Dinosaurs Psittacosaurus mongoliensisShuvalov, 1975 Sauropoda indet. Theropoda indet. Fossil eggs Trachoolithus faticanusMikhailov, 2000 Elongatoolithidae indet.Mikhailov et al., 1994 Spheroolithidae indet. Squamata Paramacellodidae indet.Kurzanov & Mikhailov, 1989
See also
List of dinosaur-bearing rock formations List of stratigraphic units with dinosaur eggs Andaikhudag Formation Khuren Dukh Formation Tsagaantsav Formation
References
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