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Hace 1 día · Plot of extinction intensity (percentage of marine genera that are present in each interval of time but do not exist in the following interval) vs time in the past. Geological periods are annotated (by abbreviation and colour) above. The Permian–Triassic extinction event is the most significant event for marine genera, with just over 50% (according to this source) perishing.
Hace 7 horas · Dinosaur colouration is quite a new area of research in the field. “In the last 10-15 years, we’ve started to achieve imaging technology that enables us to see certain cells related to pigment,” says Delsett. Pigments are substances that give animals different colours. They are also what gives humans different skin colours.
Hace 7 horas · Paleontólogos de Estados Unidos han encontrado restos fosilizados de una especie de mamífero que vagaba por el planeta hace aproximadamente 65,5 millones de año
Hace 7 horas · Titanosaurian sauropods roamed the Earth for an impressive 165 million years before their extinction approximately 65 million years ago, likely due to an asteroid impact. The presence of fossilised dinosaur parts in South West Khasi Hills suggests that this region also faced the impact, gradually revealing more prehistoric remnants.
Hace 7 horas · Dinosaurs did not yet exist a billion years ago. We’d be very lonely except for all the microbes — lots of them. There would be fungi and the whole categories of life, almost entirely microscopic.
Hace 7 horas · By Nic Rawlence & Alexander Verry/The Conversation. Ask a bird lover if they have heard of the extinct giant moa or its ancient predator, Haast’s eagle, and the answer will likely be yes.The same can’t be said of New Zealand’s extinct, but equally unique, mergansers – a group of fish-eating ducks with a serrated bill. The only southern hemisphere representatives of this group are the ...
943K subscribers in the Naturewasmetal community. A collection of dinosaurs and other awesome creatures that are now extinct. Skip to main content. Open menu Open navigation Go to Reddit Home. r/Naturewasmetal A chip A close button. Get app ...
