Macrogryphosaurus
Macrogryphosaurus was a big, gentle plant-eater that wandered the forests of ancient Argentina. It had a long neck and tail, and bony plates along its ribs that might have helped it breathe or stayed stiff. This dinosaur is the largest known member of its group, the elasmarian ornithopods.1
Cando viviu?
Como era de grande?
Canto medía de longo?
Canto medía de alto?
estimación
Canto pesaba?
tan longo coma 6 cans do fociño á cola🍌tan longo coma 33 plátanos postos un tras outro🍉tan pesado coma 60 sandías🧸tan pesado coma 16 nenos de infantil🎒tan pesado coma 9 nenos de primaria🏃podería correr 100 metros en 8,8 segundos (o humano máis rápido necesita 9,6)Como era de grande Macrogryphosaurus comparado CONTIGO?
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Que velocidade alcanzaba?
Datos curiosos
Macrogryphosaurus had bony plates along its ribs, called intercostal plates, which made its torso stiff and bird-like.1
It is the largest known elasmarian dinosaur, reaching about 6 metres (20 feet) long.1
Its name means 'big enigmatic lizard', because scientists were puzzled by its features.1
Macrogryphosaurus had a long neck and a tail similar to a coelurosaur, a group of theropod dinosaurs, which is unusual for an ornithopod.1
Fossils of Macrogryphosaurus were discovered by a young boy named Rafael Moyano in 1999 near Lake Mari Menuco in Argentina.1
Only one nearly complete skeleton of Macrogryphosaurus has been found, so scientists are still learning about it.1

As preguntas máis frecuentes sobre Macrogryphosaurus
?How big was Macrogryphosaurus?
It was about 6 metres (20 feet) long, though one estimate says 5 metres (16 feet) and 300 kg (660 lb). It is the largest known elasmarian dinosaur.1
?What did Macrogryphosaurus eat?
It was a plant-eater, so it ate plants. The Paleobiology Database lists it as a ground-dwelling herbivore.3
?When did Macrogryphosaurus live?
It lived about 89 million years ago, during the Late Cretaceous Period, in what is now Argentina.1
?Why did Macrogryphosaurus have plates on its ribs?
Scientists are not sure. The plates, called intercostal plates, made its torso stiff and bird-like, but their exact purpose is still a mystery.1
Cazamitos
Mito: Some people think Macrogryphosaurus was a slow, heavy dinosaur.
Verdade: Actually, it was lightly built and graceful, with a slender body compared to many other big ornithopods.1
Para expertos en dinos
- Nome científico
- Macrogryphosaurus
- Bautizado por
- Calvo et al. 20073
- Grupo
- Herbívoros con bico
- Familia / clado
- Elasmaria3
- Clasificación
- Ornithischia > Ornithopoda > Iguanodontia3
- Idade das rochas
- de 90 a 86 millóns de anos (Coniacian)3
- Formacións rochosas
- Sierra Barrosa3
- Países
- Arxentina3
- Rexistros fósiles
- 1 na Paleobiology Database3
- Descubrimento
- Macrogryphosaurus was discovered in 1999 by a boy named Rafael Moyano near Lake Mari Menuco in Argentina. Scientists Jorge Calvo, Juan Porfiri, and Fernando Novas named it in 2007.1
- Aínda en debate
- Scientists are still debating how many species of Macrogryphosaurus existed, and whether some other ornithopod fossils belong to this genus.1
De onde veñen os datos
- Macrogryphosaurus (en.wikipedia.org)
- Macrogryphosaurus Calvo et al. 2007 - Encyclopedia of Life (eol.org)
- Macrogryphosaurus in The Paleobiology Database (CC BY 4.0): idade, lugares, formacións rochosas, clasificación.
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