In the ocean 530 million years ago, the most ferocious predator was Anomalocaris.

Anomalocaris is an extinct large invertebrate. Fossils show that the mouthparts of this animal have more than a dozen rows of teeth and are 25 centimeters in diameter. The feces fossil is 10 centimeters long and 5 centimeters thick.

It is speculated that the body length of Anomalocaris may exceed 2 meters.

Anomalocaris was first discovered in Canada. At that time, only the fossil of one front claw was found, which was mistaken for the tail of a shrimp.

Scientists also imagined a shrimp head, which was named Anomalocaris since it was not a shrimp.

In 1994, Chinese scientists discovered a complete Anomalocaris fossil in Maotian Mountain, correcting previous mistakes. The so-called "tail" was actually its claws.

Scientists found the remains of small shelled animals in the fecal fossils of Anomalocaris, which shows that it was a carnivore in the Cambrian ocean, the ruler of the ocean world and the ultimate consumer of food.

The discovery of Anomalocaris showed that a complete food chain did exist in the ocean at that time.

New research has found that the predatory limbs of Anomalocaris can be bent and its legs can walk on the seafloor, but its appendages are not differentiated and lack joints between segments.

It has a pair of giant eyes with handles, a pair of giant segmented forelimbs for catching prey quickly, a beautiful large tail fan and a pair of long tail forks.

Although it is not good at walking, it can swim quickly.

The huge mouth with a diameter of 25 cm can prey on any large creature at that time. The mouth has external teeth arranged in a ring, which poses a major threat to animals protected by mineralized outer armor.

This is a carnivore with strong attack power. Its maximum size can reach more than 2 meters, while most other animals at that time only averaged a few millimeters to several centimeters.

The most complete Anomalocaris fossils appear in the shale of Maotian Mountain.

It has a pair of giant eyes with handles, a pair of giant segmented forelimbs for quickly catching prey, a beautiful large tail fan and a pair of long tail forks.

Although it is not good at walking, it can swim quickly.

The huge mouth with a diameter of 25 cm can prey on any large creature at that time. The mouth has external teeth arranged in a ring, which poses a major threat to animals protected by mineralized outer armor.

This is a carnivore with strong attack power. Its individual body can reach a maximum length of more than 2 meters, while most other animals at that time were only a few millimeters to several centimeters on average. The diet of Anomalocaris may include other carnivores.

With such a big body, such a big mouth, and such a pair of large catching organs, it can prey on the largest living creatures at that time. It will never only eat the creatures at the lowest position in the food chain, because its claws are too thick and cannot capture tiny things.

Food, on the other hand, is not so easy.

At that time, Anomalocaris could be called the "Big Mac" in the ocean. It was at the top of the food chain and could easily hunt enough food.

No one would think that Anomalocaris was not the 'fittest' in the ocean at that time.

It can be called the 'Big Mac' in the ocean. It is at the top of the food chain and can easily hunt enough food, but no other creature can threaten its survival.

But, like the dinosaurs that once dominated land, Anomalocaris has long since become extinct.

It disappeared from the earth forever due to a large-scale eruption of oceanic methane 440 million years ago.