New dragonflies from the Lower Miocene (Ottnagian/Karpatian) of the Cypris Shale in western Bohemia (Odonata: Libellulidae)

Abstrakt

New libellulid dragonflies are described from the Cypris Shale (Lower Miocene) of the Cheb and Sokolov basins in W Bohemia, Prorhyothemis bubiki gen. n. et sp. n. (possibly Rhyothemistinae) and ?Onychothemis rihai sp. n. (possibly Onychothemisti