Older than expected: Teeth reveal the origin of the tiger shark
With a total length of up to 5.5m, the tiger shark is one of the largest predatory sharks known today. This shark is a cosmopolitan species occurring in all oceans worldwide.…
With a total length of up to 5.5m, the tiger shark is one of the largest predatory sharks known today. This shark is a cosmopolitan species occurring in all oceans worldwide.…
Ricinuleids are cryptic, slow-moving arachnids that live under bark, in leaf litter, and in caves in tropical and subtropical areas of the world: Central and South America and West Africa.…
Modern day crustaceans, including lobster, shrimp, crayfish, and crabs, are perhaps most familiar from our dinner plates. They, along with less familiar forms such as isopods (your garden pillbugs), belong to the huge living group Eumalacostraca, which includes some tens of thousands of species.…
Researchers have discovered the first fossil of a Jurassic dinosaur from the Isle of Eigg in Scotland. The limb bone is thought to belong to a stegosaurian dinosaur, like Stegosaurus.…
Studying how biodiversity on our planet has developed through time and how it reacted to environmental changes would be relatively straight-forward if we could time-travel, as ecologists.…
Freshwater shark lived in South Dakota, had teeth shaped like “Galaga” spaceships SUE the T. rex is the most famous fossil from the Hell Creek Formation of South Dakota—the most complete skeleton ever discovered of the world’s most popular dinosaur.…
The study “A mawsoniid coelacanth (Sarcopterygii: Actinistia) from the Rhaetian (Upper Triassic) of the Peygros quarry, Le Thoronet (Var, southeastern France)” by Uthumporn Deesri et al.,…