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Irritator
Irritator was a meat-eating dinosaur with a long, narrow snout and a small crest on its head. It lived in what is now Brazil about 110 million years ago. It is one of the smallest spinosaurs known.1
Cando viviu?
Como era de grande?
Canto medía de longo?
Canto medía de alto?
Canto pesaba?
tan longo coma 8 cans do fociño á cola🍌tan longo coma 44 plátanos postos un tras outro🍉tan pesado coma 200 sandías🧸tan pesado coma 53 nenos de infantil🎒tan pesado coma 31 nenos de primaria🐻❄️tan pesado coma 2 osos polares🏃podería correr 100 metros en 12 segundos (o humano máis rápido necesita 9,6)Como era de grande Irritator comparado CONTIGO?
Só son contas no teu navegador. Non se garda nin se envía nada.
Que velocidade alcanzaba?
Datos curiosos
Irritator's skull is the most complete skull of any spinosaurid dinosaur ever found.1
Its name comes from the irritation scientists felt because fossil collectors had damaged and altered the skull before it was studied.1
A tooth from Irritator was found stuck in the neck bone of a pterosaur, showing that it ate pterosaurs, either by hunting or scavenging.1
Irritator had a thin crest on top of its head, and strong neck muscles were probably attached there.1
Its nostrils were positioned far back on its snout, not at the tip like in many other dinosaurs.1
Irritator lived in a coastal lagoon environment that was surrounded by dry areas.1
The fossil was originally thought to be from a pterosaur, then a maniraptoran dinosaur, before being identified as a spinosaurid in 1996.1
As preguntas máis frecuentes sobre Irritator
?How big was Irritator?
About 6 to 8 metres (20 to 26 feet) long and weighed around 1 tonne (1.1 short tons). It was one of the smallest spinosaurids.1
?What did Irritator eat?
It ate fish and other small animals, like today's crocodiles. A tooth was found stuck in a pterosaur neck bone, so it also ate pterosaurs, either by hunting or scavenging.1
?Why is it called Irritator?
Its name comes from the word 'irritation' because scientists were annoyed that fossil collectors had damaged and altered the skull before they could study it.1
?Did Irritator have feathers?
Nobody knows for sure. No fossil feathers have been found with Irritator, and most spinosaurids are not known to have had feathers.1
?Could Irritator swim?
It may have been semiaquatic, meaning it spent time in water. It lived in a coastal lagoon and probably hunted fish, like today's crocodiles.1
?Was Irritator bigger than T. rex?
No, it was much smaller. Irritator was about 6 to 8 metres long, while T. rex could be over 12 metres long.1
?Did Irritator have a sail on its back?
One possible skeleton suggests it had a sail, like other spinosaurids, but since only a skull has been found, the sail is a guess.2
?When did Irritator live?
It lived during the Early Cretaceous Period, about 113 to 110 million years ago.1
Cazamitos
Mito: Some people think Irritator was a fully aquatic dinosaur that only ate fish.
Verdade: Scientists think Irritator was a generalist eater, catching fish and other small prey, and it may have also scavenged. It probably lived both on land and in water.1
Para expertos en dinos
- Nome científico
- Irritator
- Bautizado por
- Martill et al. 19963
- Grupo
- Espinosauros
- Familia / clado
- Spinosauridae3
- Clasificación
- Theropoda > Spinosauridae3
- Idade das rochas
- de 120 a 113 millóns de anos (Aptian)3
- Formacións rochosas
- Romualdo3
- Países
- Brasil3
- Rexistros fósiles
- 1 na Paleobiology Database3
- Descubrimento
- The skull was found by fossil dealers in Brazil and sold to a museum in Germany. It was described by Martill and colleagues in 1996, and the species was named Irritator challengeri.13
- Aínda en debate
- Scientists are still unsure whether Irritator actively hunted pterosaurs or just ate their remains.1
De onde veñen os datos
- Irritator (en.wikipedia.org)
- Irritator | Natural History Museum (nhm.ac.uk)
- Irritator 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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