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Well-known ferocious beasts in nature
1. African elephant African elephants are the largest land mammals, exhibiting sexual dimorphism (males and females differ in size and phys...
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Who are the ancestors of tetrapods?
Because lungfish possess lungs and internal nostrils capable of breathing air, they were long considered the ancestors ...
The story of the living fossil Latimer
For a long time, the scientific community believed that lobe-finned fish, including coelacanths, had become extinct on ...
The origin and evolutionary history of turtles (long-lived animals)
We Chinese have long known that turtles and tortoises are long-lived animals, hence the ancient proverb, "A thousa...
Basic structure of amphibians
At the end of the Devonian period, a type of lobe-finned fish ventured out of the water and onto land, becoming the ear...
The origin and evolution of amphibians
The origin of amphibians likely occurred in the Late Devonian period. At that time, a species of lobe-finned fish ventu...
The earliest amphibians to appear on Earth (labyrinthodonts)
Labyrindonts are among the earliest terrestrial vertebrates to appear on Earth, flourishing during the Carboniferous an...
Introduction to crustacean amphibians
Chilodonts are mostly small amphibians adapted to shallow water and swampy environments; they first appeared in the Ear...
Specialized characteristics of armorless amphibians
Frogs, toads, and giant salamanders are familiar amphibians that still inhabit ponds, rice paddies, swamps, streams, ri...
Origin and characteristics of mammals
As early as the Late Triassic period, just as dinosaurs were emerging onto the evolutionary stage, a group of small, in...
Ancestor types of humans and mammals
The numerous fossil skeletons of primitive mammals discovered in the Triassic strata of South Wales, UK, represent the ...
Animals that survived the dinosaur extinction event
We already know that the tragic mass extinction of the dinosaurs marked the end of the Mesozoic Era. In fact, it wasn&#...
Platypus and Monotremes
Having survived the devastation of the late Mesozoic Era until modern times, a group of primitive mammals still hides i...
The development of marsupials
The only order within the subclass Metathaliana is the order Marsupialia. Originating from the ancestors of ancient mam...
Evolution of eutherians
Around the same time as the origin of marsupials, another more advanced mammal diverged from ancient mammals. They inhe...
Classification of ancient mammal groups
The earliest eutherians were insectivorous animals that appeared in the Cretaceous period. Entering the Cenozoic era, e...
