Friday, June 29, 2012

Insect fossils from the Florissant formation

Insects are somewhat commonly preserved in the shale layers of the Florissant formation. Below are some fine examples that I found over twenty years ago.

A Robber fly (?)



Some kind of wasp or flying ant (both sides)




A moth with some wing patterning preserved




The Florissant formation is the remains of a temporary lake that is dated to the Eocene period (Priabonian stage) and is located in Colorado.

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