The microcoprolites Favreina iranensis from the Upper Jurassic Mozduran Formation, Kopeh Dagh basin, Iran

The present study reports for the first time, the microcoprolites from the Mozduran Formation (Kimmeridgian-Tithonian) in the eastern part of the Kopeh Dagh sedimentary basin, in the Bazangan region of northern Iran. Fifty-two microscopic thin sections were examined, and contain crustacean microcoprolites belonging to Favreina iranensis Dalvand, Ashrafzadeh and Ahmadi. This occurrence expands the knowledge of this species which was originally described based on a single specimen. The association of F. iranensis with miliolid foraminiferans and sponge spicules suggests that the upper part of the Mozduran Formation was deposited under shallow- water marine conditions. (c) 2024 Elsevier B.V. and Nanjing Institute of Geology and Palaeontology, CAS. All rights are reserved, including those for text and data mining, AI training, and similar technologies.