These Monster Worms Once Roamed the Ocean Floor 20 Million Years Ago
Video Credit: AmazeLab - Duration: 01:07s - Published
These Monster Worms Once Roamed the Ocean Floor 20 Million Years Ago
'Pennichnus formosae' is believed to be the first known trace fossil produced by a sub-surface ambush predator.
The significant find is giving researchers a rare up-close look at ancient βsand strikers.β