Khadi la dino Na. 1555 mwa 2 027

Riojasaurus

Dzina limatanthauza: “lizard from La Rioja”1

Ankadya: ZomeraMakosi ataliKumapeto kwa Triasiki

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

Ankakhala

zaka 227 mpaka 206 miliyoni zapitazo4

Kumapeto kwa Triasiki

Mafosili apezeka ku

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

Utali

6.6 mpaka 10 m (22 mpaka 33 ft)1

Kulemera

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

Msinkhu

5 m (16 ft)3

Liwiro lalikulu kwambiri

pafupifupi 26 km/h (16 mph)

Kuthamanga, kuyerekeza

Ankakhala liti?

Triasiki

Jurasiki

Kretase

Zaka 252 miliyoni zapitazo20114566, asteroidi

Anali wamkulu bwanji?

Anali wautali bwanji?

Msinkhu wake unali wautali bwanji?

Ankalemera bwanji?

wolemera ngati magalimoto 2

wautali ngati magalimoto 2 oimikidwa pamzerewautali ngati nthochi 56 zotsatizanawolemera ngati agalu 150wolemera ngati mavwende 600wolemera ngati makalasi athunthu a ana a sukulu 4wolemera ngati zimbalangondo zoyera 7wamtali moti angasuzumire pawindo la nsanjika ya 2akanatha kuthamanga mamita 100 m'masekondi 14 (munthu waliwiro kwambiri amafunika 9.6)

Riojasaurus anali wamkulu bwanji poyerekeza ndi IWEYO?

Ndi masamu chabe mu msakatuli wako. Palibe chimene chimasungidwa kapena kutumizidwa kwina kulikonse.

Anali ndi liwiro lotani?

Munthu akuyenda pafupifupi 5 km/h (3 mph)

Mwana pa njinga pafupifupi 12 km/h (7 mph)

Riojasaurus pafupifupi 26 km/h (16 mph)

Hatchi ikuthamanga pafupifupi 65 km/h (40 mph)

Kakwiyo pafupifupi 100 km/h (62 mph)

zinthu zosangalatsa

Mfundo zosangalatsa

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

Chithunzi cha Riojasaurus chopangidwa ndi AI — Chithunzi cha momwe Riojasaurus mwina ankaonekera, chopangidwa ndi kompyuta kuchokera pa zomwe asayansi amadziwa. Ndi kungoyerekeza: nyama yeniyeniyo mwina inkaoneka mosiyana, ndipo palibe amene akudziwa mitundu yake yeniyeni.

mwafunsa

Mafunso ofunsidwa kwambiri okhudza 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

Kwa akatswiri a madino

Dzina la sayansi: Riojasaurus
Anapatsidwa dzina ndi: Bonaparte 19694
Gulu: Makosi atali
Banja / kladi: Riojasauridae4
Magawidwe a sayansi: Sauropodomorpha4
Zaka za miyala: zaka 227 mpaka 206 miliyoni (Norian)4
Mapangidwe a miyala: Los Colorados4
Mayiko: Argentina4
Zolemba za mafosili: 2 mu The Paleobiology Database4
Amadziwikanso kuti: Strenusaurus (mayina akale tsopano amawerengedwa ngati nyama yomweyi)4
Kupezeka: 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
Akukambiranabe: 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

Kumene mfundo zimachokera

Riojasaurus (en.wikipedia.org)
PBDB Taxon (paleobiodb.org)
Riojasaurus | Zoology | Research Starters | EBSCOhost (ebsco.com)
Riojasaurus in The Paleobiology Database (CC BY 4.0): zaka, malo, mapangidwe a miyala, magawidwe a sayansi.

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