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Carta da dino nr. 0331 da 2 027

Calvarius

Il num vul dir: “The name comes from the Serrat del Calvari hill and the Catalan word 'calvari' meaning 'suffering', referring to its closeness to the extinction event.”1

Mangiava: PlantasErbivors cun pichelCretacic tardiv

Calvarius was a small, speedy plant-eating dinosaur that lived near the very end of the Age of Dinosaurs. It was one of the last dinosaurs to walk on Earth before the big asteroid hit.2

Viveva

avant 72 fin 66 milliuns onns3

Cretacic tardiv

Fossils chattads en

Masia de Ramón site, near Figuerola d'Orcau in Lleida province, Catalonia, Spain1 2

Lunghezza

fin 2 m (6,6 ft)2

Autezza

0,64 m (2,1 ft)

stima

Spertadad maximala

var 41 km/h (25 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?

stima

uschè lung sco 4 giats da chasa dal nas a la cuauschè lung sco 11 bananas ina suenter l'autrapudess currer 100 meters en 8,8 secundas (il pli spert uman dovra 9,6)

Quant grond era Calvarius 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)

Calvarius var 41 km/h (25 mph)

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

In gepard var 100 km/h (62 mph)

chaussas cool

Fatgs divertents

Calvarius is known from just one foot bone, a left metatarsal IV, which was about 15 centimeters long.2

It was probably a fast runner. Its long foot bone and light build suggest it could sprint quickly, unlike most other styracostern dinosaurs.1

Calvarius lived on a large island called Ibero-Armorica, which is now northern Spain and southern France. On islands, animals sometimes evolve to be smaller because food is limited.2

It was one of the last dinosaurs ever. Its fossils were found just 25 meters below the layer that marks the asteroid impact that killed the non-bird dinosaurs.1

The fossil was discovered in 2019 by paleontologists from the Institut Català de Paleontologia Miquel Crusafont and the Museu de la Conca Dellà.2

Calvarius is the smallest known styracostern dinosaur. Some of its relatives grew over 10 meters long, but Calvarius was less than 2 meters.2

Maletg da Calvarius fatg cun IA — In maletg fatg cun IA che mussa co Calvarius 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 Calvarius

?How big was Calvarius?

Calvarius was no more than 2 metres (6.6 feet) long, making it one of the smallest known styracostern dinosaurs.2

?What did Calvarius eat?

Calvarius was a plant-eater. It was an ornithopod, a group of herbivorous dinosaurs.2

?When did Calvarius live?

Calvarius lived about 66 million years ago, right at the end of the Cretaceous period. It was one of the last dinosaurs before the asteroid hit.2

Per experts da dinos

Num scientific: Calvarius
Numnà da: Prieto-Márquez and Sellés 20233
Gruppa: Erbivors cun pichel
Famiglia / clada: Styracosterna3
Classificaziun: Ornithischia > Ornithopoda > Iguanodontia3
Vegliadetgna da la crappa: 72 fin 66 milliuns onns (Maastrichtian)3
Formaziuns da crap: Talarn3
Pajais: Spagna3
Chats da fossils: 1 en The Paleobiology Database3
Scuverta: The fossil was found in 2019 at the Masia de Ramón site in Spain by a team from the MCD and ICP. Albert Prieto-Márquez and Albert Sellés named it Calvarius rapidus in 2023.2 3
Anc discutà: Scientists are not sure exactly how big Calvarius was because only one foot bone has been found. They estimate it was less than 2 meters long, but it could have been different.2

Danunder che vegnan ils fatgs

Evolutionary convergence in a small cursorial styracosternan ornithopod dinosaur from western Europe (dinodata.de)
Calvarius rapidus, the new dinosaur species that almost saw the asteroid falling (icp.cat)
Calvarius in The Paleobiology Database (CC BY 4.0): vegliadetgna, lieus, formaziuns da crap, classificaziun.

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