Trierarchuncus
Trierarchuncus was a tiny, feathered dinosaur that lived right at the end of the age of dinosaurs. It had short arms with just one big claw on each hand, like a hook. It ran fast on its long legs and probably ate insects and small animals.1
Cando viviu?
Como era de grande?
Canto medía de longo?
Canto medía de alto?
Canto pesaba?
tan longo coma 2 gatos domésticos do fociño á cola🍌tan longo coma 6 plátanos postos un tras outro
máis ou menos tan pesado coma un gato doméstico🍌tan pesado coma 42 plátanos🏃podería correr 100 metros en 12 segundos (o humano máis rápido necesita 9,6)Como era de grande Trierarchuncus comparado CONTIGO?
Só son contas no teu navegador. Non se garda nin se envía nada.
Que velocidade alcanzaba?
Datos curiosos
Trierarchuncus is the youngest known alvarezsaurid, meaning it lived just before the big extinction 66 million years ago.1
Its name means 'captain hook' because its hand had only one big claw, like a pirate's hook.1
Scientists think Trierarchuncus was covered in feathers, like many of its relatives.1
It lived alongside famous dinosaurs like Tyrannosaurus and Triceratops in the Hell Creek area.1
The first fossils were found in Montana in 1980, but it wasn't officially named until 2020.1
Trierarchuncus had a bird-like head and long legs, so it could probably run quickly.1

As preguntas máis frecuentes sobre Trierarchuncus
?How big was Trierarchuncus?
No one knows its exact size, but it was a small dinosaur. Its hand claws are only a few centimetres long, so it was probably about the size of a modern turkey or a small dog.12
?What did Trierarchuncus eat?
It probably ate insects and small animals. Scientists think it used its single big claw to tear apart logs and search for bugs, like an anteater.12
?When did Trierarchuncus live?
It lived right at the end of the age of dinosaurs, about 66 million years ago. It went extinct in the big mass extinction that killed most dinosaurs.1
?Did Trierarchuncus have feathers?
Yes. Like its relatives, Trierarchuncus was covered in feathers. It had a bird-like head and long legs.1
Cazamitos
Mito: Some people think Trierarchuncus was a bird because it had feathers and a beak-like mouth.
Verdade: Trierarchuncus was a dinosaur, not a bird. It belonged to a group called alvarezsaurids, which were feathered theropod dinosaurs.1
Para expertos en dinos
- Nome científico
- Trierarchuncus
- Bautizado por
- Fowler et al. 20203
- Grupo
- Dinos emplumados curiosos
- Familia / clado
- Alvarezsauridae3
- Clasificación
- Theropoda > Alvarezsauridae3
- Idade das rochas
- de 72 a 66 millóns de anos (Maastrichtian)3
- Formacións rochosas
- Hell Creek3
- Países
- EUA3
- Rexistros fósiles
- 6 na Paleobiology Database3
- Descubrimento
- The first bones were found in Montana in 1980, but the dinosaur was not named until 2020 by Denver Fowler and colleagues. They named it Trierarchuncus prairiensis based on claw bones and other fragments.1
- Aínda en debate
- Scientists are not sure exactly what Trierarchuncus ate. It might have eaten insects, but it could also have eaten small animals or eggs.1
De onde veñen os datos
- Trierarchuncus (en.wikipedia.org)
- New manual unguals of Trierarchuncus prairiensis from the Hell Creek Formation, Montana, and the ontogenetic development of the functional alvarezsaurid hand claw (sciencedirect.com)
- Trierarchuncus in The Paleobiology Database (CC BY 4.0): idade, lugares, formacións rochosas, clasificación.
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