Pacifastacus chenoderma- Fossil Crayfish
Pliocene
Rome Formation
Malheur County
Oregon,USA

A well-preserved fossil 80mm crayfish belonging to Pacifastacus chenoderma, an extinct freshwater decapod that offers a rare glimpse into ancient aquatic ecosystems. This specimen captures the delicate yet highly structured anatomy typical of crayfish, fossilized in remarkable detail.