Paleonephrops browni- Crustacean
Late Cretaceous (Maastrichtian)
Bearpaw Shale
Wibaux County
Montana, USA.

A well-preserved fossil lobster of Palaeonephrops browni, an extinct marine decapod displaying the classic lobster body plan in fine detail. This specimen highlights the robust structure and segmentation typical of early nephropid lobsters, making it both a scientifically informative and visually striking piece.
210mm (8.25 inch) lobster in concretion