This genus is known in the fossil record from the Eocene to the Miocene (from about 37.2 to recent).
Fossils of species within this genus have been found in United States, Japan, and China.
This genus is known in the fossil record from the Eocene to the Miocene (from about 37.2 to recent). Fossils of species within this genus have been found in United States, Japan, and China.
Cimbex