Many "Smilodon" specimens have been excavated from asphalt seeps that once acted as natural carnivore traps, wherein animals were accidentally trapped and became bait for predators that came to scavenge, but were then trapped themselves.
Many "Smilodon" specimens have been excavated from asphalt seeps. These asphalt seeps once acted as natural carnivore traps. These asphalt seeps once became bait for predators. These predators came to scavenge. These predators were then trapped themselves. Animals were accidentally trapped.