The history of carnivores can be traced back to protozoa hundreds of millions of···
Modern whales have smooth skin and streamlined body shapes. Their huge tails cre···
During the period starting from the Eocene and continuing to the Oligocene, the ···
The earliest true beasts were insectivores (order) that appeared in the Cretaceo···
Almost at the same time as the origin of marsupials, another more progressive ma···
The only order in the subclass Metatheria is the Marsupial order. It has experie···
After experiencing the catastrophe at the end of the Mesozoic Era until modern t···
We already know that the tragic mass extinction of the dinosaurs marked the end ···
A large number of primitive mammal fossil skeletons discovered in the Triassic s···
As early as the late Triassic, when dinosaurs had just entered the evolutionary ···
Frogs, toads and salamanders are familiar amphibians. They are still active in p···
Most conchovertebrates are small amphibians, adapted to life in shallow water an···
Labyrinths are the earliest terrestrial vertebrates to appear on earth. They flo···
The origin of amphibians probably occurred in the late Devonian period. At that ···
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···
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