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A roughly 76 million-year-old Tyrannosaurus rex skull is set to be auctioned off Friday in New York City. The fossil could fetch up to $20 million, according to Sotheby’s, the auction house handling the sale. Sotheby’s said the T. rex skull is one of the most complete ever discovered. A separate T. rex fossil known as Stan, which was sold in 2020 for a record $31.8 million, was also excavated from the Hell Creek Formation. The bones are thought to have been from an adult T. rex, auction house officials said.

☆ Fearsome spinosaurus wasn't the scourge of prehistoric seas after all
▼ + stars: | 2022-12-05 | by ( Ashley Strickland | ) edition.cnn.com time to read: +7 min

Sereno and his team returned to their work with Spinosaurus in search of answers about what life had really been like for the fearsome dinosaur. James GurneyNext, the team turned to Spinosaurus’ tail. Dr. Frank Fish, tail mechanics expert and professor of biology at West Chester University of Pennsylvania, took the lead. Fish compared the Spinosaurus tail with those of alligators and other reptiles and found the dinosaur would have been too rigid to function well underwater. Spinosaurus fossils have largely been found in the riverbank deposits of Niger’s inland basins, which are distant from prehistoric marine coastlines.

☆ 14 recent discoveries that have changed the way we think about dinosaurs
▼ + stars: | 2022-09-04 | by ( Marianne Guenot | ) www.businessinsider.com time to read: +1 min

A T. rex is seen at a screening of the "Jurassic World: Dominion" prologue. Universal StudiosT. rexes preferred a leisurely pace most of the time, strolling around at about 3 mph, according to a study published in 2021. Scientists built a 3D computer model to understand the ideal "resonance" of the T. rex bodies. Every animal has an ideal resonance, meaning the walking speed at which they can move their body forward most comfortably while spending the least energy. "Many animals have a roughly similar preferred walking speeds," between 2.2 and 3.1 mph, Pasha van Bijlert, an author on the study, told Insider at the time.

☆ (foto, video) A fost descoperit titanozaurul, cel mai mare dinozaur care a existat vreodată
▼ + stars: | 2016-01-17 | by ( Onixmedia Srl | Elena Este Omul Care Apreciază Oamenii Cu Ambiție | Dar Mai Mult Pe Cei Cu Valori. Ea Intenționează Să Trăiască O Veșnicie | ) diez.md time to read: +1 min

Cel mai mare dinozaur din lume descoperit vreodată a fost expus la Muzeul American de Istorie Naturală din New York. Are aproximativ 40 de metri lungime și 20 de metri lățime. Creatura preistorică nu a încăput în cea mai mare încăpere a clădirii, astfel că o parte din gâtul său uriaş a fost scoasă afară pe uşa de intrare în sala de expoziţie. Titanozaurul era un erbivor imens care a trăit în timpul Cretacicului târziu, în pădurile din Patagonia în urmă cu 95-100 de milioane de ani. În timpul a patru campanii de săpături, între 2005 şi 2009, paleontologii au reuşit să găsească peste 70% din schelet, cu excepţia oaselor capului.

Persons: paleontologi, Kenneth Lacovara Organizations: Drexel Locations: New York, Patagonia, Africa, Titanozaurul, Philadelphia, Patagoniei, Argentina, paleontologii

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