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Joaquinraptor

Il num vul dir: “Joaquin's thief”1

Mangiava: CharnDinos carnivorsCretacic tardiv

Joaquinraptor was a meat-eating dinosaur with big claws on its hands. It lived in what is now Argentina near the very end of the age of dinosaurs. Scientists found its skeleton with a crocodile arm bone stuck between its jaws!1

Viveva

avant 72 fin 66 milliuns onns8

Cretacic tardiv

Fossils chattads en

Chubut Province, central Patagonia, Argentina2 1

Lunghezza

7 m (23 ft)3

Paisa

680 kg fin 1,036 tonnas (1 500 fin 2 300 lb)3 4 5

Autezza

2,2 m (7,2 ft)4

Spertadad maximala

var 38 km/h (24 mph)

Currer, stima

Cura viveva el?

Triassic

Giurassic

Cretacic

avant 252 milliuns onns20114566, l'asteroid

Quant grond era el?

Quant lung era el?

Quant aut era el?

Quant grev era el?

uschè grev sco 52 chauns

uschè lung sco 7 chauns dal nas a la cuauschè lung sco 39 bananas ina suenter l'autrauschè grev sco 210 melunasuschè grev sco 55 uffants da scolettauschè grev sco 32 scolarsuschè grev sco 2,5 urs polarspudess currer 100 meters en 9,5 secundas (il pli spert uman dovra 9,6)

Quant grond era Joaquinraptor cumpareglià cun TAI?

Mo matematica en tes navigatur. Nagut na vegn arcunà u tramess.

Quant spert era el?

Ina persuna che va a pe var 5 km/h (3 mph)

In uffant sin il velo var 12 km/h (7 mph)

Joaquinraptor var 38 km/h (24 mph)

In chaval che galoppescha var 65 km/h (40 mph)

In gepard var 100 km/h (62 mph)

chaussas cool

Fatgs divertents

Joaquinraptor is a member of a group called Megaraptoridae, which are known for their large claws on the first and second fingers.1

The only known skeleton of Joaquinraptor includes parts of the skull, backbone, shoulder, arm, and leg bones.1

This dinosaur lived during the Maastrichtian stage, about 72 to 66 million years ago, right up to the time when the non-bird dinosaurs went extinct.2 1

Joaquinraptor was one of the last surviving megaraptorid dinosaurs, and it may have been the top predator in its ecosystem in central and southern Patagonia.1

The fossil of Joaquinraptor was found with a crocodile arm bone between its lower jaws, and some of its teeth touched that bone. This might mean it was eating a crocodile.1

Joaquinraptor was named in 2025 by a team of scientists led by Lucio M. Ibiricu. The name honors the first author's son Joaquin and the fossil site called Valle Joaquin.1

Maletg da Joaquinraptor fatg cun IA — In maletg fatg cun IA che mussa co Joaquinraptor pudess avair guardà ora, fatg d'in computer tenor quai che la scienza sa. I sa tracta d'ina supposiziun: l'animal vair ha forsa guardà ora auter, e sias colurs vairas èn nunenconuschentas.

tias dumondas

Las dumondas las pli frequentas davart Joaquinraptor

?How big was Joaquinraptor?

It was at least 7 metres (23 feet) long and weighed about 1,036 kilograms (2,284 pounds). That is about as long as a large pickup truck.3 6

?What did Joaquinraptor eat?

It was a meat-eater. Scientists found a crocodile arm bone stuck in its jaws, so it probably ate crocodile relatives.3 6 7

?When did Joaquinraptor live?

It lived about 67 million years ago, near the very end of the age of dinosaurs. It was one of the last megaraptorids.3 6

?Did Joaquinraptor have big claws?

Yes, it had large, curved claws on its hands, like other megaraptorids. Its arms were long and strong.3 7

?Where was Joaquinraptor found?

It was found in central Patagonia, Argentina, in the Lago Colhué Huapi Formation. The fossils were collected from 2019 to 2023.3 6

?Is Joaquinraptor a dinosaur?

Yes, it is a dinosaur. It is a theropod dinosaur from the group called Megaraptoridae.3

Per experts da dinos

Num scientific: Joaquinraptor
Numnà da: Ibiricu et al. 20258
Gruppa: Dinos carnivors
Famiglia / clada: Megaraptoridae8
Classificaziun: Theropoda > Megaraptora8
Vegliadetgna da la crappa: 72 fin 66 milliuns onns (Maastrichtian)8
Formaziuns da crap: Lago Colhué Huapi8
Pajais: Argentinia8
Chats da fossils: 1 en The Paleobiology Database8
Scuverta: Joaquinraptor was named by Lucio M. Ibiricu and colleagues in 2025. The skeleton was found in the Lago Colhué Huapi Formation in Chubut, Argentina, at a site called Valle Joaquin.2 1
Anc discutà: Scientists are not sure if the crocodile arm bone found with Joaquinraptor shows that it ate crocodiles, or if it got there by accident, such as being moved by water.1

Danunder che vegnan ils fatgs

Latest Cretaceous megaraptorid theropod dinosaur sheds ... (pmc.ncbi.nlm.nih.gov)
PBDB Taxon (paleobiodb.org)
Joaquinraptor (en.wikipedia.org)
Joaquinraptor (es.wikipedia.org)
(PDF) Latest Cretaceous megaraptorid theropod dinosaur sheds light on megaraptoran evolution and palaeobiology (researchgate.net)
How mean was this new Argentine dinosaur? It had a croc leg in its jaws | Reuters (reuters.com)
New megaraptor discovered—with its final meal still in its mouth | National Geographic (nationalgeographic.com)
Joaquinraptor in The Paleobiology Database (CC BY 4.0): vegliadetgna, lieus, formaziuns da crap, classificaziun.

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