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Spotprent van Alvarezsaurus
Dinokaart nr. 0081 van 2 027

Alvarezsaurus

Naam beteken: “Don Gregorio Alvarez's lizard”1
Het geëet: InsekteSnaakse dino's met vereLaat Kryt

Alvarezsaurus was a tiny, fast-running dinosaur that lived in Argentina about 86 to 83 million years ago. It had a long tail and probably used its sharp claws to dig for insects. Scientists think it was one of the earliest members of a weird group of dinosaurs with strong, short arms.13

Het geleef
86 tot 84 miljoen jaar gelede3
Laat Kryt
Fossiele gevind in
Bajo de la Carpa Formation, Neuquén, Argentina31
Lengte
1 tot 1,4 m (3,3 tot 4,6 ft)1
Gewig
3 kg (7 lb)1
Hoogte
0,58 m (1,9 ft)
skatting
Topspoed
omtrent 30 km/h (19 mph)
Hardloop, skatting

Wanneer het dit geleef?

Trias
Jura
Kryt
252 miljoen jaar gelede20114566, die asteroïde

Hoe groot was dit?

Hoe lank was dit?

Alvarezsaurus omtrent 1,4 m lank (4,6 ft)'n Huiskat omtrent 0,5 m (1,6 ft)'n Hond omtrent 1 m (3,3 ft)'n Grootmensfiets omtrent 1,8 m (5,9 ft)

Hoe hoog was dit?

'n Huiskatomtrent 0,3 m (1 ft)'n Hondomtrent 0,5 m (1,6 ft)Alvarezsaurusomtrent 0,58 m hoog (1,9 ft)'n Perdomtrent 1,6 m (5,2 ft)

skatting

Hoe swaar was dit?

so swaar soos 25 piesangs
so lank soos 3 huiskatte van neus tot stertso lank soos 8 piesangs punt aan puntomtrent so swaar soos 'n huiskatso swaar soos 25 piesangskon 100 meter in 12 sekondes hardloop (die vinnigste mens het 9,6 nodig)

Hoe groot was Alvarezsaurus vergeleke met JOU?

Net wiskunde in jou blaaier. Niks word gestoor of êrens heen gestuur nie.

Hoe vinnig was dit?

cool goed

Prettige feite

1

Alvarezsaurus was named after Don Gregorio Alvarez, an Argentine historian, not after a dinosaur scientist.1

2

Its third toe bone (metatarsal III) was the longest, and its fourth toe bone was unusually long too.1

3

Unlike many of its later relatives, Alvarezsaurus did not have its ankle bones (astragalus and calcaneum) fused together.1

4

The shoulder blade of Alvarezsaurus was curved and smaller than that of later alvarezsaurids like Mononykus.1

5

Its tail vertebrae had sharp undersides and triangular side projections, a feature shared with other alvarezsaurids.1

6

Alvarezsaurus is considered a basal (early) member of the alvarezsaurid family, which includes dinosaurs with strong, short arms and big claws.1

Deur KI gemaakKI-prent van Alvarezsaurus
'n KI-prent van hoe Alvarezsaurus dalk gelyk het, deur 'n rekenaar gemaak uit wat wetenskaplikes weet. Dit is 'n raaiskoot: die regte dier het dalk anders gelyk, en niemand weet wat sy regte kleure was nie.
julle het gevra

Mees gevraagde vrae oor Alvarezsaurus

?How big was Alvarezsaurus?

Alvarezsaurus was small, about 1 to 1.4 metres (3.3 to 4.6 feet) long and weighed around 3 kilograms (6.6 pounds).1

?What did Alvarezsaurus eat?

It may have eaten insects. Its sharp claws and strong arms suggest it dug into termite or ant nests, though scientists are not completely sure.12

?Could Alvarezsaurus run fast?

Yes, its leg structure suggests it was a fast runner. It had long legs and a long tail for balance.12

?Did Alvarezsaurus have feathers?

No direct feather fossils are known for Alvarezsaurus, but a close relative, Shuvuuia, had downy, feather-like coverings, so it likely had feathers too.2

?When did Alvarezsaurus live?

It lived during the Late Cretaceous, about 86 to 83 million years ago, in what is now Argentina.1

?Was Alvarezsaurus a dinosaur?

Yes, Alvarezsaurus was a small theropod dinosaur, part of the alvarezsaurid family.1

Vir dino-kenners

Wetenskaplike naam
Alvarezsaurus
Benoem deur
Bonaparte 19913
Groep
Snaakse dino's met vere
Familie / klade
Alvarezsauridae3
Klassifikasie
Theropoda > Alvarezsauridae3
Ouderdom van die rotse
86 tot 84 miljoen jaar (Santonian)3
Rotsformasies
Bajo de la Carpa3
Lande
Argentinië3
Fossielrekords
1 in The Paleobiology Database3
Ontdekking
Alvarezsaurus was named by Argentine paleontologist José Bonaparte in 1991. The first fossils were found in the Bajo de la Carpa Formation in Argentina.13
Steeds omstrede
Scientists are not sure whether Alvarezsaurus was more closely related to birds or to other non‑bird dinosaurs. Some studies place it with early birds, but others keep it among the theropod dinosaurs.1

Waar die feite vandaan kom

  1. Alvarezsaurus (en.wikipedia.org)
  2. Alvarezsauridae (en.wikipedia.org)
  3. Alvarezsaurus in The Paleobiology Database (CC BY 4.0): ouderdom, plekke, rotsformasies, klassifikasie.

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