Atracauda longipes
Late Mississippian
Bear Gulch Limestone
Montana, USA.

The Bear Gulch Limestone is celebrated for its extraordinary preservation of ancient fishes, providing an unparalleled window into marine ecosystems that existed over 320 million years ago. Specimens of Atracauda contribute to our understanding of the remarkable diversity of early vertebrates during the Carboniferous.
60mm on 135mm slab