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Riojasaurus

Zita rinoreva: “lizard from La Rioja”1

Raidya: MiriwoMadhino emitsipa mirefuTriassic Yekupedzisira

Riojasaurus was a huge, plant-eating dinosaur with a long neck and a heavy body. It lived during the Late Triassic period in what is now Argentina. It probably walked slowly on all four legs, munching on leaves with its leaf-shaped teeth.1

Raivapo

makore mamiriyoni 227 kusvika 206 apfuura4

Triassic Yekupedzisira

Mafosiri akawanikwa:

La Rioja Province, Argentina (Los Colorados Formation)1 2

Kureba

6.6 kusvika 10 m (22 kusvika 33 ft)1

Huremu

800 kg kusvika matani 3 (1,800 kusvika 6,600 lb)1

Kukwirira

5 m (16 ft)3

Kumhanya kwepamusoro

kunenge 26 km/h (16 mph)

Kumhanya, fungidziro

Rairarama rini?

Triassic

Jurassic

Cretaceous

makore mamiriyoni 252 apfuura20114566, dombo guru rakabva mudenga

Raiva hombe sei?

Raiva refu zvakadii?

Raiva rakakwirira zvakadii?

Rairema zvakadii?

kurema semotokari 2

kureba semotokari 2 dzakamiswa dzakatevedzanakureba semabhanana 56 akatevedzanakurema seimbwa 150kurema semanwiwa 600kurema semakirasi 4 akazara evana vechikorokurema semabere echando 7rakakwirira zvekudongorera muhwindo riri pafuroo nhamba 2raigona kumhanya mamita 100 mumasekonzi 14 (munhu anomhanya kupfuura vose anoda 9.6)

Riojasaurus raiva hombe sei kana richienzaniswa NEWE?

Masvomhu chete mubrowser yako. Hapana chinochengetwa kana kutumirwa kupi zvako.

Raimhanya zvakadii?

Munhu achifamba kunenge 5 km/h (3 mph)

Mwana ari pabhasikoro kunenge 12 km/h (7 mph)

Riojasaurus kunenge 26 km/h (16 mph)

Bhiza richimhanya kunenge 65 km/h (40 mph)

Dindingwe kunenge 100 km/h (62 mph)

zvinhu zvinonakidza

Zvinonakidza

Riojasaurus had very dense and massive leg bones, making it heavy and sturdy for an early sauropodomorph.1

Unlike most early relatives, Riojasaurus had four sacral vertebrae in its hip area instead of three, which helped support its weight.1

Its neck bones were longer than those of other sauropodomorphs found in the same formation, making its neck especially long.1

The first Riojasaurus skeleton found had no skull. A well-preserved skull was later discovered in 1987 and described in 1995.1

Some scientists think Riojasaurus may have been active at short intervals throughout the day and night, based on the shape of its eye bones (scleral rings).1

Riojasaurus is the only known riojasaurid dinosaur from South America, and it may be closely related to Melanorosaurus from southern Africa.1

Its front and hind limbs were nearly the same length, which is a clue that it walked on all fours and could not rear up on its back legs.1

Mufananidzo wakagadzirwa neAI: Riojasaurus — Mufananidzo wakagadzirwa neAI unoratidza kuti Riojasaurus ringangodai raitaridzika sei, wakagadzirwa nekombiyuta kubva pane zvinozivikanwa nemasayendisiti. Ifungidziro chete: mhuka chaiyo ingangodai yaitaridzika zvakasiyana, uye hapana anoziva mavara ayo chaiwo.

wakabvunza

Mibvunzo inonyanya kubvunzwa nezve Riojasaurus

?How big was Riojasaurus?

Riojasaurus was about 6.6 metres (21.7 feet) long and weighed around 800 kilograms (1,764 pounds). Some large individuals may have reached 10 metres (32.8 feet) long and weighed 3 metric tons (3.3 short tons).1

?What did Riojasaurus eat?

Riojasaurus was a herbivore that ate plants. Its leaf-shaped, serrated teeth were used for grazing on soft vegetation like gymnosperms, and it may have swallowed stones (gastroliths) to help grind food in its stomach.1 3

?Could Riojasaurus walk on two legs?

No, Riojasaurus probably walked on all four legs. Its front and hind limbs were nearly the same length, and its leg bones were dense and massive, suggesting it moved slowly on all fours and could not rear up on its back legs.1

?When did Riojasaurus live?

Riojasaurus lived during the Late Triassic Period, about 225 to 213 million years ago. Its fossils have been found in the Los Colorados Formation in Argentina.1

?Is Riojasaurus a dinosaur?

Yes, Riojasaurus is a dinosaur. It is a herbivorous sauropodomorph dinosaur from the Late Triassic of Argentina.1

?Did Riojasaurus have feathers?

No, there is no evidence that Riojasaurus had feathers. Its fossils show only scales and bones, and it is not known to have any feather-like structures.1

Zvevanyanzvi vemadhino

Zita resainzi: Riojasaurus
Akaripa zita:: Bonaparte 19694
Boka: Madhino emitsipa mirefu
Mhuri / boka: Riojasauridae4
Kurongwa kwemhuka: Sauropodomorpha4
Zera rematombo: makore mamiriyoni 227 kusvika 206 (Norian)4
Mapoka ematombo: Los Colorados4
Nyika: Ajentina4
Zvinyorwa zvemafosiri: 2 mu The Paleobiology Database4
Rinonziwo: Strenusaurus (mazita ekare zvino oonekwa semhuka imwe chete)4
Kuwanikwa: Riojasaurus was named by Argentine paleontologist José Bonaparte in 1969. The first skeleton (holotype PVL 3808) was found in 1966 in the Los Colorados Formation of La Rioja, Argentina. Later, many more skeletons and a skull were discovered.1 4
Zvichiri kupokanwa: Scientists disagree on whether Riojasaurus was completely quadrupedal or could sometimes walk on two legs. The hand and shoulder bones suggest it might have been able to move in different ways.1

Kunobva chokwadi

Riojasaurus (en.wikipedia.org)
PBDB Taxon (paleobiodb.org)
Riojasaurus | Zoology | Research Starters | EBSCOhost (ebsco.com)
Riojasaurus in The Paleobiology Database (CC BY 4.0): zera, nzvimbo, mapoka ematombo, kurongwa kwemhuka.

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