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Nanotyrannus

Naam beteken: “dwarf tyrant king”1

Het geëet: VleisTirannosourusseLaat Kryt

Nanotyrannus was a small, fast cousin of T. rex that lived near the end of the dinosaur age. It had a slender skull, big arms, and long legs for chasing prey. Scientists argue whether it was a separate dinosaur or just a baby T. rex.1

Het geleef

72 tot 66 miljoen jaar gelede6

Laat Kryt

Fossiele gevind in

Hell Creek Formation and Lance Formation in Montana, South Dakota, North Dakota, and Wyoming, USA1 6

Lengte

5,2 m (17 ft)1

Gewig

704 kg tot 1,2 ton (1 600 tot 2 600 lb)1

Hoogte

1,8 m (5,9 ft)

skatting

Topspoed

omtrent 50 km/h (31 mph)

Hardloop: Dececchi et al. 2020 (45 to 50 km/h)

Wanneer het dit geleef?

Trias

Jura

Kryt

252 miljoen jaar gelede20114566, die asteroïde

Hoe groot was dit?

Hoe lank was dit?

Hoe hoog was dit?

skatting

Hoe swaar was dit?

so swaar soos 60 honde

so lank soos 5 honde van neus tot stertso lank soos 29 piesangs punt aan puntso swaar soos 240 waatlemoeneso swaar soos 63 kleuterskoolkindersso swaar soos 38 skoolkindersso swaar soos 2,5 ysberekon 100 meter in 7,2 sekondes hardloop (die vinnigste mens het 9,6 nodig)

Hoe groot was Nanotyrannus vergeleke met JOU?

Net wiskunde in jou blaaier. Niks word gestoor of êrens heen gestuur nie.

Hoe vinnig was dit?

'n Mens wat loop omtrent 5 km/h (3 mph)

'n Kind op 'n fiets omtrent 12 km/h (7 mph)

Nanotyrannus omtrent 50 km/h (31 mph)

'n Galopperende perd omtrent 65 km/h (40 mph)

'n Jagluiperd omtrent 100 km/h (62 mph)

cool goed

Prettige feite

Nanotyrannus was about 5.2 metres (17 feet) long, much smaller than T. rex which could be over 12 metres (40 feet).1

Its arms were longer and stronger than those of T. rex, both in absolute size and compared to its body.1

Nanotyrannus had small horns or crests right in front of its eyes, which T. rex did not have.1

It was probably a fast runner. Scientists think it could chase down prey more easily than the bulky T. rex.1

The first Nanotyrannus skull was found in 1942 and was originally thought to be a new species of Gorgosaurus.1

In 2025, scientists named a second species, Nanotyrannus lethaeus, based on a skeleton nicknamed 'Jane'.1

Nanotyrannus lived right up to the asteroid impact that killed the non-avian dinosaurs, about 66 million years ago.1

KI-prent van Nanotyrannus — 'n KI-prent van hoe Nanotyrannus dalk gelyk het, deur 'n rekenaar gemaak uit wat wetenskaplikes weet. Dit is 'n raaiskoot: die regte dier het dalk anders gelyk, en niemand weet wat sy regte kleure was nie.

julle het gevra

Mees gevraagde vrae oor Nanotyrannus

?Was Nanotyrannus a real dinosaur?

Yes. In 2025, scientists proved it was a separate dinosaur, not a baby T. rex.3 4

?How big was Nanotyrannus?

About 5.2 metres (17 feet) long. It weighed roughly 704 kilograms (1,552 pounds) for one species and up to 1,200 kilograms (2,600 pounds) for another.1

?When did Nanotyrannus live?

It lived about 67 to 66 million years ago, right up to the asteroid impact that killed the non-avian dinosaurs.1

?Could Nanotyrannus run fast?

Yes. It had long legs and was probably a fast runner, able to chase down prey more easily than the bulky T. rex.1

?Did Nanotyrannus have feathers?

Scientists are not sure. No feathers have been found on Nanotyrannus fossils, but many related dinosaurs had them.1

?What did Nanotyrannus eat?

It was a meat-eater. It probably hunted smaller dinosaurs and other animals, using its sharp teeth and strong arms.1

?How many teeth did Nanotyrannus have?

It had more teeth than T. rex. The front teeth were smooth, and the rest were serrated and blade-like.1 5

?Is Nanotyrannus bigger than T. rex?

No. Nanotyrannus was much smaller, about 5.2 metres (17 feet) long, while T. rex could be over 12 metres (40 feet) long.1

Mite-breker

Mite: Nanotyrannus is just a baby T. rex.

Waarheid: Many scientists now think Nanotyrannus is a separate, smaller species. Studies in 2025 showed that some Nanotyrannus specimens were fully grown adults, not youngsters.1

Vir dino-kenners

Wetenskaplike naam: Nanotyrannus
Benoem deur: Bakker et al. 19886
Groep: Tirannosourusse
Familie / klade: Nanotyrannidae6
Klassifikasie: Theropoda > Tyrannosauroidea6
Ouderdom van die rotse: 72 tot 66 miljoen jaar (Maastrichtian)6
Rotsformasies: Hell Creek, Lance6
Lande: VSA6
Fossielrekords: 6 in The Paleobiology Database6
Ontdekking: The first Nanotyrannus skull was found in 1942 by David Hosbrook Dunkle in the Hell Creek Formation of Montana. In 1988, Robert Bakker, Michael Williams, and Philip Currie named it Nanotyrannus, meaning 'dwarf tyrant'.1 2
Steeds omstrede: Scientists still debate whether Nanotyrannus is a valid genus or just a juvenile Tyrannosaurus rex. New studies in 2025 support it being a real, separate dinosaur, but not everyone agrees.1

Waar die feite vandaan kom

Nanotyrannus (en.wikipedia.org)
Nanotyrannus, a new genus of pygmy tyrannosaur, from the latest Cretaceous of Montana (zenodo.org)
Nanotyrannus and Tyrannosaurus coexisted at the close of the Cretaceous | Nature (nature.com)
Nanotyrannus Confirmed: Dueling Dinosaurs Fossil Rewrites the Story of T. rex | Department of Biological Sciences (bio.sciences.ncsu.edu)
Agile and vicious Nanotyrannus was not just a teenage T. rex | Reuters (reuters.com)
Nanotyrannus in The Paleobiology Database (CC BY 4.0): ouderdom, plekke, rotsformasies, klassifikasie.

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