The small boat that Yun Lei urged with his spiritual power traveled extremely fast. Just a moment later, the small boat that Yun Lei and Rao Ya were riding in traveled several miles away, leaving the land full of fluorescent mushrooms far behind.

When I turned around, I could only see a vague shadow at the junction of heaven and earth.

While on the way, Yun Lei and Rao Ya found that the large ocean they passed by boat was actually a fluorescent sea. The luminous glowing insects in the fluorescent sea seem to have become the most basic source of food for plankton in the sea.

And the plankton in this fluorescent sea are the basic food source for other creatures in this sea.

In the place where the fluorescent flickering, some small shrimp with strange shapes that Yun Lei and Rao Ya had never seen before, and other types of plankton, gathered around the fluorescent sea and appeared in groups.

And this group is a dense group of people who can reach hundreds of thousands or even millions! In the sea water next to Yun Lei and Rao Ya's boats, they frolicked and chased, and suddenly gathered and dispersed, posing one by one in a completely different shape in the fluorescent sea water.

At the same time, those predators who feed on plankton, in this fluorescent sea, the school of bony fish that has existed since 100 million or tens of millions of years ago, whether it is a species that Yunlei knows or does not know, gathers together, in the water of this fluorescent sea, flickering and flickering, ups and downs.

Among them, there are many bony fish, which have long been extinct in the outside world. Unexpectedly, in this sea area, there are still there.

Of course, there are more than a few species of bony fish that are extinct in the outside world, but still exist in this area.

Yun Lei and Rao Ya were very keenly aware that there were several huge shadows, diving silently from a distance, from below the fish.

It wasn't until he got close to the school of fish that he poked his head out and bit at a few large fat fish in the school. Its appearance is characterized by a very peculiar appearance - not only has a wide and flat body, a short tail, but also has a long, thin neck.

Two of their heads were exposed to the water, and they were looked at carefully by Yun Lei and Rao Ya, but their heads were extremely small. On a face, the nostrils are located near the eyes, the palate is very hard, and there are extremely long sharp teeth.

This thing's fishing movements are extremely flexible, and its slender neck and head are like snakes. The length of the head and neck occupies half the length of the body!

When Yun Lei saw it, he gasped and said, "Plesiosaurus!"

At this time, there were two plesiosaurs, interested in Yun Lei and Rao Ya, as well as the boat they were riding, poked their heads out, and bit at Yun Lei and Rao Ya! However, although the shape of this plesiosaur was strange, it was not cultivated in itself.

Whether it is strength and speed, let alone better than Yunlei, even if it is far worse than Rao Ya. Rao Ya saw the two plesiosaurs poke their heads out. With just one shot, the heads of the two plesiosaurs were slapped back into the water!

Plesiosaurs are a type of ancient dinosaurs. It stands to reason that this dinosaur should have been extinct long ago.

65 million years ago, a meteorite with a high concentration of the rare element iridium struck the earth and broke the earth's crust, causing the earth's internal magma to erupt violently, causing the impact to cause a supervolcanic eruption.

The crater of this impact is more than one hundred and fifty kilometers in diameter. The entire earth, in an instant, was shrouded in volcanic ash and poisonous gases. A large number of dinosaurs died as a result of this geological upheaval. This time, the asteroid hit the earth, which directly caused the sun's light to be unable to penetrate the atmosphere to reach the earth's surface, plants could not photosynthesize, and the oxygen content in the atmosphere was extremely low.

In the midst of this impact, a large number of plants died. Between heaven and earth, the cycle between carbon dioxide and oxygen is interrupted by plants. The amount of oxygen in the air on Earth has decreased dramatically. As a result, the huge dinosaurs, which could not withstand the cold and lack of oxygen, died one after another.

Just as the oxygen content in the atmosphere decreases, ancient insects gradually go extinct. The remaining dinosaurs that were lucky enough not to die have also greatly decreased their physical fitness and tolerance. After the meteorite impact, a large number of deaths were carried out in a dusty, dark and cold environment, and in a lack of food.

Even because dinosaurs have dominated the earth for more than 100 million years, for a while, they have not died. After the smoke and dust dissipated, the temperature on Earth plummeted, and the oviparous dinosaurs and some of the cold-blooded dinosaurs were unable to reproduce and survive.

So, according to the theory of scientists, the dinosaurs became extinct on the earth. Nowadays, it can only refer to the appearance of certain women......

However, people have left their names and geese have left their voices. Even if Feihong stepped on the slush, it would leave marks on the snow. This has taken over the earth to its fullest, and the population that has ruled the earth for 170 million years will leave some lucky legacy even if it is finished.

The earth-shattering meteorite impact swept the earth. However, some regional terrain and geographical conditions will leave some chances for some dinosaurs to survive and continue to continue.

In the Maple Leaf Federation, north of the Mayflower Federation, a paleontology professor has discovered a strange dinosaur fossil. Using the uranium dating method, a laser beam is used to directly scan fossil bone fragments. The paleontology professor determined that this peculiar dinosaur fossil was produced 700,000 years after the meteorite impact.

That is, 700,000 years after the asteroid hit the Earth, there were still dinosaurs living on the Earth. So, 7 million years after the asteroid hit the Earth, or 65 million years later?

Are there still living dinosaurs left on Earth, and which dinosaurs are most likely to remain on Earth?

According to scientists' speculation, the biosphere in the depths of the ocean is relatively stable compared to the continent, and the ecological environment of the seabed, as well as the number of biological populations, have not been known to humans until now. Only speculation can be made accordingly.

In prehistoric times, an asteroid hit the continent, causing the extinction of a large number of primitive organisms. However, the water depth of several thousand meters in the deep sea is also an umbrella in itself. In the deep sea of hundreds to thousands of meters, those who are a little lucky with sea creatures can escape this catastrophe!

Therefore, in today's ocean, ancient prehistoric living fossils such as speartail fish, moray eels, swordnose sharks, and silver sharks can still be seen, and dinosaurs that lived in the ocean 70 million years ago may still live in the ocean.

And plesiosaurs, in the era when dinosaurs were all over the earth, were one of the most successful marine dinosaurs to evolve. It is a well-deserved overlord of the seas!