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Debuxo de Limusaurus
Tarxeta de dino n.º 1059 de 2 027

Limusaurus

Comía: PlantasDinos carnívorosXurásico Superior

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

Viviu
hai entre 162 e 155 millóns de anos7
Xurásico Superior
Fósiles atopados en
Xinjiang, China, in the Shishugou Formation21
Lonxitude
1,7 a 1,955 m (5,6 a 6,4 ft)34
Peso
15 kg (33 lb)3
Altura
0,67 m (2,2 ft)
estimación
Velocidade máxima
uns 41 km/h (25 mph)
Correr, estimación

Cando viviu?

Triásico
Xurásico
Cretáceo
Hai 252 millóns de anos20114566, o asteroide

Como era de grande?

Canto medía de longo?

Limusaurus uns 1,955 m de longo (6,4 ft)Un can uns 1 m (3,3 ft)Unha bici de adulto uns 1,8 m (5,9 ft)Un coche uns 4,5 m (15 ft)

Canto medía de alto?

Un gato domésticouns 0,3 m (1 ft)Un canuns 0,5 m (1,6 ft)Limusaurusuns 0,67 m de alto (2,2 ft)Un cabalouns 1,6 m (5,2 ft)

estimación

Canto pesaba?

tan pesado coma 4 gatos domésticos
tan longo coma 4 gatos domésticos do fociño á colatan longo coma 11 plátanos postos un tras outrotan pesado coma 120 plátanospodería correr 100 metros en 8,8 segundos (o humano máis rápido necesita 9,6)

Como era de grande Limusaurus comparado CONTIGO?

Só son contas no teu navegador. Non se garda nin se envía nada.

Que velocidade alcanzaba?

cousas xeniais

Datos curiosos

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

Feito con IAImaxe de Limusaurus feita con IA
Unha imaxe feita con IA de como podería ser Limusaurus, creada por un ordenador a partir do que saben os científicos. É unha suposición: o animal real podía ser diferente, e ninguén sabe as súas cores de verdade.
ti preguntaches

As preguntas máis frecuentes sobre 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

Cazamitos

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

Verdade: 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

Para expertos en dinos

Nome científico
Limusaurus
Bautizado por
Xu et al. 20097
Grupo
Dinos carnívoros
Familia / clado
Noasauridae7
Clasificación
Theropoda > Ceratosauria7
Idade das rochas
de 162 a 155 millóns de anos (Oxfordian)7
Formacións rochosas
Shishugou7
Países
China7
Rexistros fósiles
3 na Paleobiology Database7
Descubrimento
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
Aínda en debate
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

De onde veñen os datos

  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): idade, lugares, formacións rochosas, clasificación.

Cada dato desta páxina ten un número que leva á súa fonte. Se nos equivocamos nalgo, sentímolo, somos fans dos dinos, non unha revista científica. Escríbenos a [email protected] e arranxámolo.

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