Calvarius
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
Yaphila nini?
Yayinkulu kangakanani?
Yayinde kangakanani?
Yayiphakame kangakanani?
uqikelelo
inde njengeekati zasekhaya ezingama-4, impumlo ukuya emsileni🍌inde njengeebhanana ezingama-11 zilandelelana🏃ibinokubaleka iimitha ezili-100 ngemizuzwana engama-8.8 (oyena mntu ukhawulezayo udinga i-9,6)Calvarius wayemkhulu kangakanani xa ethelekiswa NAWE?
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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

Eyona mibuzo ibuzwa kakhulu: 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
Kwiingcali zeedayinaso
- Igama lenzululwazi
- Calvarius
- Inikwe igama ngu:
- Prieto-Márquez and Sellés 20233
- Iqela
- Izitya-zityalo ezinemilomo
- Usapho / iclade
- Styracosterna3
- Ukuhlelwa
- Ornithischia > Ornithopoda > Iguanodontia3
- Ubudala bamatye
- 72 ukuya ku-66 izigidi zeminyaka (Maastrichtian)3
- Izakhiwo zamatye
- Talarn3
- Amazwe
- iSpeyin3
- Iirekhodi zeefosili
- 1 kwi-Paleobiology Database3
- Ukufunyanwa
- 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 2023.23
- Kusaxoxwa ngayo
- 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
Apho iinyani zivela khona
- 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): ubudala, iindawo, izakhiwo zamatye, ukuhlelwa.
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