Ancient Tidal Flats Were Busier Than We Thought
New trace fossil discoveries from the half-billion-year-old Cambrian tidal flats of Wisconsin at a site called Blackberry Hill continue to paint the picture of some of the earliest animals to set foot on land and what they might have been eating. The mollusk trail Climactichnites blackberriensis (Cb) presumably stopping to eat a scyphozoan (jellyfish) that…
