Odd Football-Size Armored Creatures Solve Ancient Footprint Mystery
When you purchase through connexion on our situation , we may bring in an affiliate mission . Here ’s how it work . In a Cinderella - esque news report , researchers have in the end cypher out the wight that will countless ossified footprints across the ancient seafloor . The caterpillar tread — twofold grooves filled with scratches made by the wight ' barbed leg — belong to to a football game - size trilobite that lived about 480 million years ago , a new study reports ....