Resultado de búsqueda
Hace 5 días · 'Hidden Gem' Dinosaur Skin Fossil Reveals Surprises About Feather Evolution : ScienceAlert. Nature 22 May 2024. By Zixiao Yang & Maria McNamara, The Conversation. The studied Psittacosaurus under natural (upper half) and UV light (lower half). (Zixiao Yang, Author provided)
Hace 5 días · May 21 (Reuters) - A new fossil of the Cretaceous Period dinosaur Psittacosaurus, a dog-sized herbivore with a parrot-like beak, that was donated to a Chinese university came with a surprise -...
Hace 1 día · Spinosauridae (or spinosaurids) is a clade or family of tetanuran theropod dinosaurs comprising ten to seventeen known genera. Spinosaurid fossils have been recovered worldwide, including Africa, Europe, South America and Asia. Their remains have generally been attributed to the Early to Mid Cretaceous. Spinosaurids were large ...
Hace 5 días · The abundance of their fossilized bones is substantive proof that dinosaurs were the dominant form of terrestrial animal life during the Mesozoic Era (about 252.2 million to 66 million years ago). It is likely that the known remains represent a very small fraction (probably less than 0.0001 percent) of all the individual dinosaurs ...
Hace 2 días · Fossils of tyrannosauroids have been recovered on what are now the continents of North America, Europe and Asia, with fragmentary remains possibly attributable to tyrannosaurs also known from South America and Australia.
Hace 2 días · May 15, 2024 — The ability to regulate body temperature, a trait all mammals and birds have today, may have evolved among some dinosaurs early in the Jurassic period about 180 million years ago...
Hace 5 días · Rare skin fossil sheds new light on dinosaur feathers. Psittacosaurus may have had a ‘zoned’ mix of feathers and scaly skin. Laura Baisas. Posted on May 21, 2024 2:28 PM EDT. A fossilized...
