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Limusaurus kartun
Dino kad No. 1059 wɔ 2 027 mu

Limusaurus

Ɔdii: NhabanDino a wɔwe namJurasik Awieeɛ

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

Ɔtenaa ase
mfeɛ ɔpepem 162 kɔsi 155 a atwam7
Jurasik Awieeɛ
Wɔhunuu fɔsil wɔ
Xinjiang, China, in the Shishugou Formation21
Tenten
1.7 kɔsi 1.955 m (5.6 kɔsi 6.4 ft)34
Mu duru
15 kg (33 lb)3
Korɔn
0.67 m (2.2 ft)
nsusuiɛ
Ntɛmntɛm a ɛsen biara
bɛyɛ 41 km/h (25 mph)
Mmirikatuo, nsusuiɛ

Berɛ bɛn na ɛtenaa ase?

Triasik
Jurasik
Kretasias
mfeɛ ɔpepem 252 a atwam20114566, ɔsoro ɛboɔ no

Na ne kɛseɛ yɛ sɛn?

Na ne tenten yɛ sɛn?

Limusaurus ne tenten bɛyɛ 1.955 m (6.4 ft)Kraman bɛyɛ 1 m (3.3 ft)Ɔpanin sakre bɛyɛ 1.8 m (5.9 ft)Kaa bɛyɛ 4.5 m (15 ft)

Na ne korɔn yɛ sɛn?

Fie agyinamoabɛyɛ 0.3 m (1 ft)Kramanbɛyɛ 0.5 m (1.6 ft)Limusaurusne korɔn bɛyɛ 0.67 m (2.2 ft)Ɔpɔnkɔbɛyɛ 1.6 m (5.2 ft)

nsusuiɛ

Na ne mu yɛ duru sɛn?

ne mu duru te sɛ fie agyinamoa 4
ne tenten te sɛ fie agyinamoa 4 firi hwene kɔsi duane tenten te sɛ kwadu 11 a wɔde abɔ toatoa sone mu duru te sɛ kwadu 120anka ɔbɛtumi atu mmirika mita 100 wɔ sikɛn 8.8 mu (onipa a ɔyɛ ntɛm sen biara hia 9.6)

Limusaurus kɛseɛ yɛ sɛn sɛ wode toto WO ho a?

Akontaa nko ara wɔ wo browser mu. Yɛnkora biribiara so, na yɛmmfa biribiara nkɔ baabiara.

Na ɛyɛ ntɛm sɛn?

nneɛma a ɛyɛ fɛ

Nsɛm a ɛyɛ anigye

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

AI na ɛyɛeɛLimusaurus mfonini a AI yɛeɛ
Yei yɛ Limusaurus mfonini a AI yɛeɛ, sɛdeɛ ebia na ɔteɛ. Kɔmputa na ɛyɛeɛ firi deɛ nyansahufoɔ nim mu. Ɛyɛ nsusuiɛ: ebia na aboa ankasa no nte saa, na obiara nnim ne kɔla ankasa.
wobisaeɛ

Nsɛm a wɔbisa bebree fa Limusaurus ho

?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

Atosɛm sɛefoɔ

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

Nokorɛ: 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

Ma dino ho animdefoɔ

Nyansahu din
Limusaurus
Obi a ɔtoo din
Xu et al. 20097
Kuo
Dino a wɔwe nam
Abusua / kuo kɛseɛ
Noasauridae7
Nkyekyɛmu
Theropoda > Ceratosauria7
Abotan no mfeɛ
mfeɛ ɔpepem 162 kɔsi 155 (Oxfordian)7
Abotan nhyehyɛeɛ
Shishugou7
Aman
Kyaena7
Fɔsil nkyerɛwee
3 wɔ The Paleobiology Database mu7
Nhunumu
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
Wɔda so gye ho akyinnye
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

Baabi a nsɛm no firi

  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): mfeɛ, mmeaeɛ, abotan nhyehyɛeɛ, nkyekyɛmu.

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