Friday, 23 August 2019


A delightful Heteropteran collected this past week by Jim Barkley from Eocene exposures of the Green River Formation of Western Colorado, which was once the bottom of an extensive series of Eocene lakes.

The Green River Formation is particularly abundant in beautifully preserved fossil fish, eleven species of reptiles including a 13.5ft crocodile, an armadillo-like mammal, Brachianodon westorum, bats, birds and other freshwater aquatic goodies.