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Spotprent van Xunmenglong
Dinokaart nr. 1954 van 2 027

Xunmenglong

Naam beteken: “swift fierce dragon”1
Het geëet: VleisVleisvretende dino'sVroeë Kryt

Xunmenglong was a tiny, speedy meat-eater that lived in what is now China. It was one of the smallest dinosaurs of its group, about as long as a big chicken. It probably dashed around hunting small animals in the Early Cretaceous.12

Het geleef
133 tot 126 miljoen jaar gelede3
Vroeë Kryt
Fossiele gevind in
Hebei Province, northeastern China, in the Huajiying Formation12
Lengte
0,5 m (1,6 ft)1
Hoogte
0,19 m (0,6 ft)
skatting
Topspoed
omtrent 15 km/h (9 mph)
Hardloop, skatting

Wanneer het dit geleef?

Trias
Jura
Kryt
252 miljoen jaar gelede20114566, die asteroïde

Hoe groot was dit?

Hoe lank was dit?

Xunmenglong omtrent 0,5 m lank (1,6 ft)'n Huiskat omtrent 0,5 m (1,6 ft)'n Hond omtrent 1 m (3,3 ft)'n Grootmensfiets omtrent 1,8 m (5,9 ft)

Hoe hoog was dit?

Xunmenglongomtrent 0,19 m hoog (0,6 ft)'n Huiskatomtrent 0,3 m (1 ft)'n Hondomtrent 0,5 m (1,6 ft)'n Perdomtrent 1,6 m (5,2 ft)

skatting

so lank soos 3 piesangs punt aan puntso lank soos 16 speelgoedboustene in 'n ryklein genoeg om onder 'n stoel deur te loopkon 100 meter in 24 sekondes hardloop (die vinnigste mens het 9,6 nodig)

Hoe groot was Xunmenglong 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

Xunmenglong is the smallest known member of the compsognathid group, about the size of a sub-adult Scipionyx, another small dinosaur.1

2

Its lower legs were unusually long compared to the rest of its body, which may have made it a fast runner.2

3

The fossil was originally part of a chimera, meaning it was mixed with bones from two other animals before scientists sorted it out.1

4

Xunmenglong lived about 130.7 million years ago, during the Hauterivian age of the Early Cretaceous.1

5

It is the oldest known compsognathid from Asia, found in the Huajiying Formation which may preserve the oldest Jehol Biota fauna.2

6

One unique feature is that its fourth toe bone (pedal phalanx IV-4) is longer than the third, which helps tell it apart from other compsognathids.2

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

?How big was Xunmenglong?

It was about 50 centimetres (1.6 feet) long, roughly the size of a chicken.1

?What did Xunmenglong eat?

It was a meat-eater that probably hunted small animals like lizards and insects.1

?When did Xunmenglong live?

It lived about 130.7 million years ago, during the Early Cretaceous period.1

?Is Xunmenglong a dinosaur?

Yes, it is a compsognathid theropod dinosaur.1

Mite-breker

Mite: Some people might think Xunmenglong was a baby of a larger dinosaur because it was so small.

Waarheid: Scientists think it was a fully grown adult, not a baby, because its bones show adult features.1

Vir dino-kenners

Wetenskaplike naam
Xunmenglong
Benoem deur
Xing et al. 20203
Groep
Vleisvretende dino's
Familie / klade
Compsognathidae3
Klassifikasie
Theropoda > Compsognathidae3
Ouderdom van die rotse
133 tot 126 miljoen jaar (Hauterivian)3
Rotsformasies
Huajiying3
Lande
China3
Fossielrekords
1 in The Paleobiology Database3
Ontdekking
Xunmenglong was named in 2020 by Xing and colleagues from a fossil that was part of a chimera. The holotype includes a pelvis, tail base, and hindlimbs, and it was found in the Huajiying Formation in China.12
Steeds omstrede
Scientists debate whether Xunmenglong is truly a compsognathid or a more basal member of Tetanurae, as one 2024 study suggested.1

Waar die feite vandaan kom

  1. Xunmenglong (en.wikipedia.org)
  2. A new compsognathid theropod dinosaur from the oldest assemblage of the Jehol Biota in the Lower Cretaceous Huajiying Formation, northeastern China - ADS (ui.adsabs.harvard.edu)
  3. Xunmenglong in The Paleobiology Database (CC BY 4.0): ouderdom, plekke, rotsformasies, klassifikasie.

Elke feit op hierdie bladsy het 'n nommer wat na sy bron wys. As ons iets verkeerd het, jammer, ons is dino-aanhangers, nie 'n wetenskapjoernaal nie. Laat weet ons by [email protected] en ons maak dit reg.

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