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Joaquinraptor

Tur bi mooy: “Joaquin's thief”1
Lekkoon: YàppDino yuy lekk yàppKretase bu mujj

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

Dundoon
am na 72 ba 66 milyoŋ at8
Kretase bu mujj
Fosil yu ñu gis ci
Chubut Province, central Patagonia, Argentina21
Guddaay
7 m (23 ft)3
Diisaay
680 kg ba 1,036 toon (1 500 ba 2 300 lb)345
Kawewaay
2,2 m (7,2 ft)4
Gaawaay bi gën a kawe
lu tollu ci 38 km/h (24 mph)
Daw, jortu

Kañ la dundoon?

Triyaas
Jurasik
Kretase
Am na 252 milyoŋ at20114566, asteroyid bi

Naka la réyoon?

Naka la guddoon?

Joaquinraptor lu tollu ci 7 m ci guddaay (23 ft)Weloy mag lu tollu ci 1,8 m (5,9 ft)Oto lu tollu ci 4,5 m (15 ft)Ñey, rab bi gën a mag ci suuf tey lu tollu ci 6,5 m (21 ft)

Naka la kawewoon?

Xajlu tollu ci 0,5 m (1,6 ft)Faslu tollu ci 1,6 m (5,2 ft)Joaquinraptorlu tollu ci 2,2 m ci kawewaay (7,2 ft)Ñeylu tollu ci 3,2 m (10 ft)

Naka la diisoon?

diis ni 52 xaj
gudd ni 7 xaj, bakkan ba geengudd ni 39 banaana yu ñu topp-toppalediis ni 210 xaaldiis ni 55 xale yu materneldiis ni 32 xale yu lekkooldiis ni 2,5 uurs yu weexmënoon na daw 100 meetar ci 9,5 segond (nit ki gën a gaaw dafay soxla 9,6)

Naka la Joaquinraptor réyoon, bu ñu ko méngalee ak YAW?

Ay kalkil rekk ci sa navigatëer. Dara du ñu denc, dara du ñu yónne fenn.

Naka la gaawoon?

yëf yu neex

Xibaar yu neex

1

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

2

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

3

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.21

4

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

5

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

6

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

Def ak IANataalu Joaquinraptor bu ñu def ak IA
Nataal bu IA def la, muy wone ni Joaquinraptor mën a meloon, ordinatëer moo ko def ci li boroom xam-xam yi xam. Jortu kese la: rab bi ci dëgg mën na meloon neneen, te kenn xamul ay kulëëram yu dëgg.
yeen a laaj

Laaj yi ñu gën a laaj ci 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.36

?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.367

?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.36

?Did Joaquinraptor have big claws?

Yes, it had large, curved claws on its hands, like other megaraptorids. Its arms were long and strong.37

?Where was Joaquinraptor found?

It was found in central Patagonia, Argentina, in the Lago Colhué Huapi Formation. The fossils were collected from 2019 to 2023.36

?Is Joaquinraptor a dinosaur?

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

Ngir ñi xam dino lool

Turu xam-xam
Joaquinraptor
Ku ko tudde
Ibiricu et al. 20258
Kurél
Dino yuy lekk yàpp
Njaboot / klad
Megaraptoridae8
Klasifikasiyoŋ
Theropoda > Megaraptora8
Màggaayu doj yi
72 ba 66 milyoŋ at (Maastrichtian)8
Formasiyoŋi doj
Lago Colhué Huapi8
Réew yi
Arsantin8
Fosil yu ñu gis
1 ci The Paleobiology Database8
Gisees
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.21
Ñu ngi koy werante ba tey
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

Fa xibaar yi jóge

  1. Latest Cretaceous megaraptorid theropod dinosaur sheds ... (pmc.ncbi.nlm.nih.gov)
  2. PBDB Taxon (paleobiodb.org)
  3. Joaquinraptor (en.wikipedia.org)
  4. Joaquinraptor (es.wikipedia.org)
  5. (PDF) Latest Cretaceous megaraptorid theropod dinosaur sheds light on megaraptoran evolution and palaeobiology (researchgate.net)
  6. How mean was this new Argentine dinosaur? It had a croc leg in its jaws | Reuters (reuters.com)
  7. New megaraptor discovered—with its final meal still in its mouth | National Geographic (nationalgeographic.com)
  8. Joaquinraptor in The Paleobiology Database (CC BY 4.0): at, béréb yi, formasiyoŋi doj, klasifikasiyoŋ.

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