After three rounds of wine and five flavors, Ye Xiuwen began to get down to business, took out the skull from his backpack, and showed it to 'Yang Mengmeng'.

"Look, what kind of species is this?"

'Yang Mengmeng' took the napkin pad, grabbed the skull, and complained: "It's not right for you to scratch like this, your fingerprints will contaminate this skull." ”

Ye Xiuwen didn't say anything when he heard 'Yang Mengmeng's complaints', while 'Yang Mengmeng' stared at the skull carefully.

"Can you have a preliminary judgment?" Ye Xiuwen asked.

"I looked at it, and this skull doesn't belong to a human, or to an ape." 'Yang Mengmeng' said with certainty.

"What's that?" Ye Xiuwen asked.

Yang Mengmeng thought for a while, and then said: "Although I'm not sure, judging from the arrangement of its teeth, this should be a canine skull." ”

"Canines? Its mouth, it can't be so short, right? Even the mouth of a baboon is not as short as this. Ye Xiuwen asked rhetorically.

"No, I have a basis for saying that. Because of its tooth arrangement, it has the characteristics of a canine.

Most canines have 42 teeth with non-specific incisors with thicker and more developed lobed teeth that are used to kill prey. The premolars are narrow and sharp, and the carcass is well developed. Molars form a broad surface that can shatter bones.

This is a characteristic of canines, but the molars of felines are not so wide and not so strong. Look at it, how strong is it? ”

'Yang Mengmeng' said, and showed the upper and lower jaws of the skull to Ye Xiuwen one by one.

"Are there canines, do they walk upright?" Ye Xiuwen continued to ask.

"Yes! Do baboons walk upright when they don't have them? "'Yang Mengmeng' is like a very strange way.

"I mean, like a human, or an ape." Ye Xiuwen said.

"It's very likely, because the evolution of human beings began 50 million years ago.

At that time, what it was like, we can only find out through archaeology.

According to the data, about 50 million years ago, primates evolved in a radial shape, and higher primates (i.e., apes, such as macaques, golden monkeys, baboons and apes) were differentiated from the lower primates protomonkeys.

Here I would like to note that the Chinese ape is older than the early higher primate apes, and basically belongs to the early apes, that is to say, the so-called Chinese ape is actually a monkey, and there is no human origin at all.

Between 33 million and 24 million years ago, apes arose from the monkeys of the Old World (Narrow-nosed suborder).

The earliest apes found in Egypt, the proto-apes (30 million years ago) and the Egyptian apes (Aegyptopithecus, 26 million to 28 million years ago) already had some traits of great apes.

Later Australopithecus fossils and forest apes (23 million to 10 million years ago) are widely distributed and have been found in Asia, Europe, and Africa.

The proto-Conshure ape (13 million to 12 million years ago) in East Africa is already an ape, the ancestor of humans and African apes. The above australopithecus are all forest animals, walking on all fours, and belong to the group of apes climbing trees. There are two groups of extant apes, African apes (gorillas, chimpanzees and humans) and Asian apes (gibbons and orangutans), and there is a clear boundary between these two groups, which apparently diverged between 12 million and 15 million years ago.

Between about 10 million years ago and about 380 or 2 million years ago, there are two types of fossil representations of transitional periods. One is Ramaucus and the other is Australopithecus.

Many believe that Ramaustralopithecus is the ancestor of orangutans, and there have been discrepancies in the reconstruction of jaw fragment specimens and tooth analysis in the past. Therefore, Ramaucus is only relatively plausible as a fossil representative of the transitional period.

However, among so many australopithecus, we have not yet found signs of evolution in canids.

However, I can't say that the skull you took is worthless, because I think it may date back 20 million years.

As for the specific age, I still have to go through laboratory testing and analysis! .......”

'Yang Mengmeng' gushed endlessly, Ye Xiuwendao has a certain understanding of this skull.

The owner of this skull must have been a creature from a long, long time ago. And it's a canine.

"You get it out as soon as possible because it's important. We cannot afford to let a new species rise unchecked.

And these pictures, I will pass them on to you too! ”

Ye Xiuwen said, and took out his mobile phone and passed the photos he took in the cave of the 'Satan' group to 'Yang Mengmeng'.

'Yang Mengmeng' looked at the text symbols on the mural and was surprised.

"Oh my God, are these traces from ancient humans? If this is the case, I am afraid that the origin of mankind will be rewritten again. "'Yang Mengmeng' said in surprise.

"Not hominids, but a bunch of chimpanzees. Their leader resembles a silverback gorilla. Ye Xiuwen shook his head and said.

"That's a pity, if only it were an australopithecus."

Yang Mengmeng shook her head and said regretfully. Then he pulled Ye Xiuwen's backpack, rummaged in it, and took out stones one by one.

"These stones have all been used, so it seems that in addition to the ancient apes, those chimpanzees will also use simple tools."

Yang Mengmeng said again, and became more and more interested, and finally put everything back in his back pocket, carrying a pair of his own shoes, and was about to leave.

"Your flowers!" Ye Xiuwen said.

"Ahh 'Yang Mengmeng' ran back barefoot again, held the flowers in his hands and said, "Thank you for the flowers, I will give you an answer as soon as possible." ”

'Yang Mengmeng' said, and thought that Ye Xiuwen squeezed his eyes, and it was really cute.

"This 'Yang Mengmeng'!"

Ye Xiuwen smiled, then took out his wallet to pay the bill, and then drove back to his house.

This time, he found his home and took out the key to open the door.

The door opened with a stab. Ye Xiuwen entered the room and gently closed the door.

He listened, and there was a sound in the bathroom. He quietly touched it.

The bathroom is a sliding door, and there is a figure inside, as if taking a bath, and the water is rattling.

Ye Xiuwen smiled, pinched his hands and feet and pulled the door open, and shouted in vain: "Wife, wash together?" ”

"Hula!"

The sliding door was removed, and a short-haired girl, who was taking a shower, looked at Ye Xiuwen for a moment, and then shouted loudly: "Hooligans! ”

"Hooligans? What hooligans? At this moment, Hugo ran out of the kitchen.

"Ugh!"

At this time, Ye Xiuwen's expression was very embarrassed, because it was his sister-in-law 'Xia Fang' who was hiding in the bath,......

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