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Spotprent van Limusaurus
Dinokaart nr. 1059 van 2 027

Limusaurus

Het geëet: PlanteVleisvretende dino'sLaat Jura

Limusaurus was a small, beaked dinosaur that lived in what is now China about 155 million years ago. Unlike most meat-eating dinosaurs, it ate plants! Its strange hand helped scientists solve a puzzle about how bird wings evolved.1

Het geleef
162 tot 155 miljoen jaar gelede7
Laat Jura
Fossiele gevind in
Xinjiang, China, in the Shishugou Formation21
Lengte
1,7 tot 1,955 m (5,6 tot 6,4 ft)34
Gewig
15 kg (33 lb)3
Hoogte
0,67 m (2,2 ft)
skatting
Topspoed
omtrent 41 km/h (25 mph)
Hardloop, skatting

Wanneer het dit geleef?

Trias
Jura
Kryt
252 miljoen jaar gelede20114566, die asteroïde

Hoe groot was dit?

Hoe lank was dit?

Limusaurus omtrent 1,955 m lank (6,4 ft)'n Hond omtrent 1 m (3,3 ft)'n Grootmensfiets omtrent 1,8 m (5,9 ft)'n Motor omtrent 4,5 m (15 ft)

Hoe hoog was dit?

'n Huiskatomtrent 0,3 m (1 ft)'n Hondomtrent 0,5 m (1,6 ft)Limusaurusomtrent 0,67 m hoog (2,2 ft)'n Perdomtrent 1,6 m (5,2 ft)

skatting

Hoe swaar was dit?

so swaar soos 4 huiskatte
so lank soos 4 huiskatte van neus tot stertso lank soos 11 piesangs punt aan puntso swaar soos 120 piesangskon 100 meter in 8,8 sekondes hardloop (die vinnigste mens het 9,6 nodig)

Hoe groot was Limusaurus vergeleke met JOU?

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

Hoe vinnig was dit?

cool goed

Prettige feite

1

Limusaurus was a ceratosaur, the first one ever found in Asia.1

2

It had a very small thumb, or first digit, while the other two fingers were normal. This is a rare condition in dinosaurs.1

3

Its hand showed a mix of features: the wrist bones were like the second, third and fourth digits, but the finger bones were like the first, second and third.1

4

Limusaurus lived during the Oxfordian stage, about 161 to 155 million years ago.2

5

It is the only Jurassic theropod known to have a beak and a plant-based diet.1

6

The discovery of Limusaurus helped scientists understand how the three-fingered hand of theropods could turn into the two-fingered hand of birds.1

Deur KI gemaakKI-prent van Limusaurus
'n KI-prent van hoe Limusaurus 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 Limusaurus

?What did Limusaurus eat?

It ate plants. Adults had a beak and no teeth, and they also had gastroliths (stomach stones) to help grind up plant food. Juveniles had teeth, so they may have eaten a mix of plants and small animals.5

?How big was Limusaurus?

About 1.7 metres long and weighed around 15 kilograms. That is about as long as a small car is tall, but much lighter.5

?Did Limusaurus have feathers?

Nobody knows for sure. It may have had feathers, but no direct evidence of feathers has been found on its fossils.5

?Why is Limusaurus important?

Its strange hand helped scientists solve a puzzle about how bird wings evolved. It showed a mix of wrist and finger features that explain how the three-fingered hand of theropods turned into the bird wing.16

?Is Limusaurus a dinosaur?

Yes, it is a dinosaur. It is a theropod dinosaur, which is the same group that includes birds.5

?When did Limusaurus live?

It lived during the Late Jurassic period, about 161 to 155 million years ago.5

Mite-breker

Mite: Because it is a theropod, Limusaurus must have been a meat-eater.

Waarheid: Limusaurus was actually a plant-eater, with a beak and no sharp teeth for hunting. It is one of the few herbivorous theropods known.1

Vir dino-kenners

Wetenskaplike naam
Limusaurus
Benoem deur
Xu et al. 20097
Groep
Vleisvretende dino's
Familie / klade
Noasauridae7
Klassifikasie
Theropoda > Ceratosauria7
Ouderdom van die rotse
162 tot 155 miljoen jaar (Oxfordian)7
Rotsformasies
Shishugou7
Lande
China7
Fossielrekords
3 in The Paleobiology Database7
Ontdekking
Limusaurus was named and described in 2009 by a team led by paleontologist Xing Xu. Fossils were found in the Junggar Basin of western China.12
Steeds omstrede
Scientists still debate exactly which digits of the hand were lost during theropod evolution, and Limusaurus shows a confusing mix of features that makes this question tricky.1

Waar die feite vandaan kom

  1. A Jurassic ceratosaur from China helps clarify avian digital homologies | Nature (nature.com)
  2. PBDB Taxon (paleobiodb.org)
  3. Limusaurus (en.wikipedia.org)
  4. A Jurassic ceratosaurian theropod with implications for homologies in the avian hand (ivpp.cas.cn)
  5. Limusaurus (Wikipedia) (Wikipedia)
  6. Beaked, Bird-like Dinosaur Tells Story of Finger Evolution | NSF - National Science Foundation (nsf.gov)
  7. Limusaurus in The Paleobiology Database (CC BY 4.0): ouderdom, plekke, rotsformasies, klassifikasie.

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