A millipede trackway crossing an older fly larva burrow from the Steven C. Minkin Paleozoic Footprint Site in Walker County, Alabama. Scale in centimeters.
Millipede Trackway
Courtesy of Alabama Paleontological Society

A millipede trackway crossing an older fly larva burrow from the Steven C. Minkin Paleozoic Footprint Site in Walker County, Alabama. Scale in centimeters.