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Khathune ya Riojasaurus
Karete ya dinosaure No. 1555 ho tse 2ย 027

Riojasaurus

Lebitso le bolela: “lizard from La Rioja”1
E jele: DimelaMelala e meleleleTriasiki ya Morao

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

E phetse
dilemo tse dimilione tse 227 ho isa ho 206 tse fetileng4
Triasiki ya Morao
Difosili di fumanwe ho
La Rioja Province, Argentina (Los Colorados Formation)12
Bolelele
6.6 ho isa ho 10 m (22 ho isa ho 33 ft)1
Boima
800 kg ho isa ho ditone tse 3 (1,800 ho isa ho 6,600 lb)1
Bophahamo
5 m (16 ft)3
Lebelo le phahameng ka ho fetisisa
e ka bang 26 km/h (16 mph)
Ho matha, kakanyo

E phetse neng?

Triasiki
Jurasiki
Kretase
Dilemo tse dimilione tse 252 tse fetileng20114566, asteroiti

E ne e le kgolo hakae?

E ne e le telele hakae?

Riojasaurus bolelele ba e ka bang 10 m (33 ft)Baesekele ya motho e moholo e ka bang 1.8 m (5.9 ft)Koloi e ka bang 4.5 m (15 ft)Tlou, phoofolo e kgolo ka ho fetisisa naheng kajeno e ka bang 6.5 m (21 ft)

E ne e phahame hakae?

Peree ka bang 1.6 m (5.2 ft)Tloue ka bang 3.2 m (10 ft)Riojasaurusbophahamo ba e ka bang 5 m (16 ft)Thuhloe ka bang 5.5 m (18 ft)

E ne e le boima hakae?

boima jwaloka dikoloi tse 2
telele jwaloka dikoloi tse 2 tse pakilweng ka molatelele jwaloka dibanana tse 56 di behilwe ka molaboima jwaloka dintja tse 150boima jwaloka mahapu a 600boima jwaloka ditlelase tse feletseng tse 4 tsa bana ba sekoloboima jwaloka dibere tse tshweu tse 7e phahame hoo e ka nyarelang ka fensetere mokatong wa 2e ne e ka matha dimitara tse 100 ka metsotswana e 14 (motho ya lebelo ka ho fetisisa o hloka 9,6)

Riojasaurus e ne e le kgolo hakae ha e bapiswa le WENA?

Ke dipalo feela ho browser ya hao. Ha ho letho le bolokwang kapa le romelwang kae kapa kae.

E ne e le lebelo hakae?

dintho tse monate

Dintlha tse monate

1

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

2

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

3

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

4

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

5

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

6

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

7

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

E entswe ke AISetshwantsho sa Riojasaurus se entsweng ke AI
Setshwantsho se entsweng ke AI, se bontshang kamoo Riojasaurus e ka beng e ne e shebahala kateng, se entswe ke khomphutha ho ya ka seo bo-ramahlale ba se tsebang. Ke ho hakanya feela: phoofolo ya nnete e ka nna ya ba e ne e shebahala ka tsela e nngwe, mme ha ho motho ya tsebang mebala ya yona ya nnete.
o botsitse

Dipotso tse botswang haholo ka 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.13

?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

Bakeng sa ditsebi tsa didinosaure

Lebitso la saense
Riojasaurus
E rehilwe ke
Bonaparte 19694
Sehlopha
Melala e melelele
Lelapa / leloko
Riojasauridae4
Tlhophiso
Sauropodomorpha4
Dilemo tsa mafika
dilemo tse dimilione tse 227 ho isa ho 206 (Norian)4
Dibopeho tsa mafika
Los Colorados4
Dinaha
Argentina4
Direkoto tsa difosili
2 ho The Paleobiology Database4
E boetse e tsejwa e le
Strenusaurus (mabitso a kgale jwale a balwa e le phoofolo e le nngwe)4
Ho sibollwa
Riojasaurus was named by Argentine paleontologist Josรฉ 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.14
E sa ntse e phehwa kgang
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

Moo dintlha di tswang teng

  1. Riojasaurus (en.wikipedia.org)
  2. PBDB Taxon (paleobiodb.org)
  3. Riojasaurus | Zoology | Research Starters | EBSCOhost (ebsco.com)
  4. Riojasaurus in The Paleobiology Database (CC BY 4.0): dilemo, dibaka, dibopeho tsa mafika, tlhophiso.

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