Goblin Shark
This horrifying shark is 118 million years old, but doesn’t show up much due to the fact that it resides in THE BOWELS OF HELL. Or the really deep ocean.

Martialis Heureka Ant
Clocking in at 120 million years old, we only recently discovered the underground ant.
Martialis Heureka Ant
Clocking in at 120 million years old, we only recently discovered the underground ant.

Frilled Shark
Another deep-water species, the 150 million year-old shark takes the more eel-like appearance of ancient sharks.
Frilled Shark
Another deep-water species, the 150 million year-old shark takes the more eel-like appearance of ancient sharks.

Sturgeon
Another species that is struggling to survive, the sturgeon – at 200 millions years old - is losing its battle due to the popularity of caviar. Maybe they should try to have less delicious eggs.
Sturgeon
Another species that is struggling to survive, the sturgeon – at 200 millions years old – is losing its battle due to the popularity of caviar. Maybe they should try to have less delicious eggs.

Horseshoe Shrimp
We’ve discovered Horseshoe Shrimp fossils that reveal that the shrimp hasn’t changed much in its 200 million years on earth.
Horseshoe Shrimp
We’ve discovered Horseshoe Shrimp fossils that reveal that the shrimp hasn’t changed much in its 200 million years on earth.

Tadpole Shrimp
The 220 million year-old shrimp is classified as endangered, but it was just discovered that their dehydrated eggs can still hatch once rehydrated.
Tadpole Shrimp
The 220 million year-old shrimp is classified as endangered, but it was just discovered that their dehydrated eggs can still hatch once rehydrated.

Lamprey
Another super creepy dinosaur, the 360 million year-old Lamprey is a giant parasite that suctions itself onto hosts and drains them of blood.
Lamprey
Another super creepy dinosaur, the 360 million year-old Lamprey is a giant parasite that suctions itself onto hosts and drains them of blood.

Coelacanth
We thought this other 360 million year-old fish was extinct, but they cropped up once again in 1938.
Coelacanth
We thought this other 360 million year-old fish was extinct, but they cropped up once again in 1938.

Horseshoe Crab
These walking hardhats are 445 million years old, and are another species that hasn’t changed much at all since it was created.
Horseshoe Crab
These walking hardhats are 445 million years old, and are another species that hasn’t changed much at all since it was created.

Nautilus
This amazing species has been on earth for half a billion years, but because of their striking shells, they’re being fished almost to extinction. That’s why we can’t have nice things.
Nautilus
This amazing species has been on earth for half a billion years, but because of their striking shells, they’re being fished almost to extinction. That’s why we can’t have nice things.

Jellyfish
They edge out the Nautilus by just 5 million years, but that’s only as far back as we can date them. They could very well be much older than that.
Jellyfish
They edge out the Nautilus by just 5 million years, but that’s only as far back as we can date them. They could very well be much older than that.

Sea Sponge
The sponge is the oldest species on the planet (As long as you don’t count microorganisms – and really, who does?) coming in at a staggering 760 million years old. 

Source: PawNation
Sea Sponge
The sponge is the oldest species on the planet (As long as you don’t count microorganisms – and really, who does?) coming in at a staggering 760 million years old.

Source: PawNation