Lophotrochozoa is a diverse evolutionary group of animals that includes mollusks, annelid worms, flatworms, brachiopods, bryozoans, and several smaller lineages. Its members differ greatly in size, appearance, habitat, and lifestyle. Some have protective shells,...
Eoraptor was a small dinosaur that lived in what is now Argentina approximately 230 million years ago, during the Late Triassic Period. Although it was much smaller than the famous dinosaurs that appeared later, its fossils have helped scientists understand the early...
Mammoths were large, extinct mammals that belonged to the elephant family. They lived for millions of years and became famous for their long, curved tusks, massive bodies, and, in some species, thick coats of fur. The woolly mammoth is the best-known example, but many...
Proboscideans are a group of mammals best known for their distinctive trunks, tusks, and large bodies. This group includes living elephants and many extinct relatives, such as mammoths, mastodons, and gomphotheres. Over millions of years, proboscideans evolved a...
Placoderms were remarkable armored vertebrates that lived in ancient oceans, rivers, and other aquatic environments during the Paleozoic Era. Recognized by their protective bony plates and jaws, these extinct fishes represent an important chapter in the early...
Primates are a diverse group of mammals that includes lemurs, lorises, tarsiers, monkeys, apes, and humans. They inhabit tropical forests, woodlands, savannas, and some mountainous regions, displaying a wide range of body sizes, diets, and behaviors. Although primates...
