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2 giorni fa · Tyrannosaurus ( Osborn, 1905; il cui nome significa lucertola tirannica [1] ), spesso abbreviato in T. rex (diminutivo scientifico) o colloquialmente T-Rex, è un genere estinto di dinosauro teropode tyrannosauride vissuto nel Cretaceo superiore, in quello che oggi è il Nordamerica, che a quell'epoca era un continente isolato nominato Laramidia.
1 giorno fa · Tyrannosauroidea (meaning 'tyrant lizard forms') is a superfamily (or clade) of coelurosaurian theropod dinosaurs that includes the family Tyrannosauridae as well as more basal relatives. Tyrannosauroids lived on the Laurasian supercontinent beginning in the Jurassic Period.
1 apr 2024 · T. rex adults weighed between an average of 15,266 and 23,037 pounds (6,925 and 10,450 kilograms), according to different studies. The largest T. rex on record is the heavyweight champ known as ...
28 mar 2024 · Dilong, genus of small feathered theropod dinosaurs known from rock deposits of western Liaoning province, China, that date from 128 million to 127 million years ago, during the Early Cretaceous. Dilong was one of the most primitive known tyrannosaurs, and it was the first tyrannosaur discovered with feathers.
- Mathew Wedel
2 giorni fa · Two centuries later, less than 50 miles away, an 11-year-old girl named Ruby Reynolds found a fossil from another ichthyosaur. It appears to be the largest marine reptile known to science. Ms ...
1 giorno fa · Jan. 2, 2024 — A new analysis of fossils believed to be juveniles of T. rex now shows they were adults of a small tyrannosaur, with narrower jaws, longer legs, and bigger arms than T. rex....
2 giorni fa · This article records new taxa of every kind of fossil archosaur that were scheduled to be described during 2023, as well as other significant discoveries and events related to the paleontology of archosaurs that were published in 2023. Paleontology portal. History of science portal. dinosaurs portal.
