At the end of the Devonian period, a certain kind of lobe-finned fish ventured o···
We Chinese have long known that turtles are long-lived animals, so there has bee···
For a long time, the scientific community has believed that lobe-finned fishes, ···
Because lungfish have lungs and internal nostrils that can breathe air, they hav···
The earliest representative of lobe-finned fish is the skeletal fish of the midd···
The earliest representative of lungfish is the bifin fish of the middle Devonian···
During the Devonian period, the earliest lobe-finned fishes appeared and differe···
We already know that based on the development of the temporal part of the skull,···
There is a city called Seymour in Texas, USA. A large area of early Permian sedi···
Reptiles are the earliest amniotes to appear on earth. They evolved from labyrin···
Actin-finned fishes are the most successful aquatic group of all vertebrates, oc···
In the middle Devonian period, some more advanced bony fishes appeared. Part or ···
The sharks we are familiar with are cartilaginous fishes. Nearly all cartilagino···
Life originated in the primitive ocean, and the earliest vertebrates were also b···
The most primitive gnathostomes discovered so far are placoderms (class). They f···
As early as the late Silurian period when placoderms just appeared, the most pri···
In the history of biological evolution, some major events have occurred. The sig···
Lampreys look very much like ordinary eels. They have a slender body with expose···
Before the earliest vertebrates were discovered in the Chengjiang fauna in China···
Vertebrates are the highest group in the animal kingdom. They form a subphylum o···
Across the world, scientists have discovered a large number of tiny fossils from···
If you go to the botanical garden to play, you will definitely be attracted by t···
When the ferns of the Paleozoic Era formed the first primeval forests on earth, ···
The leaves of modern ferns all look like sheep's teeth, so the earliest scientis···
When the American paleobotanist Letariak was analyzing and studying the Late Ord···
Hemichordates are also called "cryptozoans" and they all live in the ocean. Thei···
Fossil evidence shows that the earliest winged insects appeared in the late Carb···
The oldest insect fossil is a wingless springtail insect found in the middle Dev···
As early as more than 300 years ago during the Chongzhen period of the Ming Dyna···
In the aquarium, you will be dazzled by the colorful fish and various other aqua···
Molluscs are a category with a very large number and variety of invertebrates. T···
Algae are the lower types of the plant kingdom. There are many kinds of them, wi···
Bryos and mosses in plants are two different things! They are a type of primitiv···
Brachiopods are a large group of shelled invertebrates that live on the seabed. ···
More than 300 years ago in the 18th century, the systematic classification of bi···
In addition to corals, coelenterates also include polyps and jellyfish. Both coe···
There are a group of beautiful islands in the mainland of the motherland and sou···
Archaeocybeans appeared in the early Cambrian period and were extinct by the Jur···
Sponges are the simplest structure and the most primitive form among multicellul···
Radiolarians and foraminifera are both protozoa, and they belong to the phylum P···
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