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Dryosaurus

ຊື່ໝາຍຄວາມວ່າ: “oak lizard, named after the Greek word for oak tree”1

ກິນ: ພືດສັດກິນພືດມີຈະງອຍຈູຣາສຊິກຕອນປາຍ ຫາ ຄຣີເທເຊຍສຕອນຕົ້ນ

Dryosaurus was a speedy, plant-eating dinosaur that lived in the Late Jurassic period. It had a long neck, strong legs, and a stiff tail that helped it balance while running. It probably used its speed to escape from big predators like Allosaurus.2

ມີຊີວິດຢູ່

155 ຫາ 143 ລ້ານປີກ່ອນ5

ຈູຣາສຊິກຕອນປາຍ ຫາ ຄຣີເທເຊຍສຕອນຕົ້ນ

ພົບຟອສຊິລທີ່

Western United States (Colorado, Utah, Wyoming), and also in France, Germany, and Portugal2 5

ຄວາມຍາວ

3 ຫາ 4 m (9,8 ຫາ 13 ft)2 1

ນ້ຳໜັກ

100 kg (220 lb)2

ຄວາມສູງ

1,7 m (5,6 ft)3

ຄວາມໄວສູງສຸດ

ປະມານ 46 ກມ/ຊມ (29 ໄມລ໌/ຊມ)

ແລ່ນ, ຄ່າປະມານ

ມັນມີຊີວິດຢູ່ເມື່ອໃດ?

ໄທຣແອສຊິກ

ຈູຣາສຊິກ

ຄຣີເທເຊຍສ

252 ລ້ານປີກ່ອນ20114566, ດາວເຄາະນ້ອຍຕົກ

ມັນໃຫຍ່ປານໃດ?

ມັນຍາວປານໃດ?

ມັນສູງປານໃດ?

ມັນໜັກປານໃດ?

ໜັກເທົ່າໝາ 5 ໂຕ

ຍາວເທົ່າໝາ 4 ໂຕຕໍ່ກັນຈາກດັງຫາຫາງຍາວເທົ່າກ້ວຍ 22 ໜ່ວຍຕໍ່ກັນໜັກເທົ່າໝາກໂມ 20 ໜ່ວຍໜັກເທົ່າເດັກອະນຸບານ 5 ຄົນໜັກເທົ່ານັກຮຽນ 3 ຄົນແລ່ນ 100 ແມັດໄດ້ໃນ 7,8 ວິນາທີ (ຄົນທີ່ໄວທີ່ສຸດໃຊ້ 9.6)

Dryosaurus ໃຫຍ່ປານໃດ ເມື່ອທຽບກັບເຈົ້າ?

ແຄ່ຄິດໄລ່ໃນບຣາວເຊີຂອງເຈົ້າ. ບໍ່ມີຫຍັງຖືກບັນທຶກ ຫຼື ສົ່ງໄປໃສ.

ມັນໄວປານໃດ?

ຄົນຍ່າງ ປະມານ 5 ກມ/ຊມ (3 mph)

ເດັກຂີ່ລົດຖີບ ປະມານ 12 ກມ/ຊມ (7 mph)

Dryosaurus ປະມານ 46 ກມ/ຊມ (29 mph)

ມ້າກຳລັງຄວບ ປະມານ 65 ກມ/ຊມ (40 mph)

ເສືອຊີຕາ ປະມານ 100 ກມ/ຊມ (62 mph)

ເລື່ອງເທ່ໆ

ເລື່ອງໜ້າຮູ້ມ່ວນໆ

Dryosaurus had five fingers on each hand, but its arms were short. Its long legs and stiff tail made it a fast runner.2

The name Dryosaurus means 'oak lizard', but it was named after the forest where it lived, not because its teeth looked like oak leaves.2

Some scientists think Dryosaurus had cheek-like structures to keep food in its mouth while chewing.2

Dryosaurus lived alongside giant sauropods like Diplodocus and Brachiosaurus, as well as predators like Allosaurus and Ceratosaurus.2

The largest Dryosaurus specimen was later identified as a different species, so the true adult size of Dryosaurus is still unknown.2

Dryosaurus fossils have been found in the Morrison Formation, which is famous for the 'Bone Wars' rivalry between paleontologists Marsh and Cope.2

ຮູບ Dryosaurus ທີ່ AI ສ້າງ — ຮູບທີ່ AI ສ້າງ ສະແດງວ່າ Dryosaurus ອາດຈະມີໜ້າຕາແນວໃດ, ຄອມພິວເຕີສ້າງຂຶ້ນຈາກສິ່ງທີ່ນັກວິທະຍາສາດຮູ້. ມັນເປັນການຄາດເດົາ: ສັດໂຕແທ້ອາດຈະມີໜ້າຕາຕ່າງອອກໄປ, ແລະ ບໍ່ມີໃຜຮູ້ສີແທ້ຂອງມັນ.

ເຈົ້າຖາມມາ

ຄຳຖາມທີ່ຖືກຖາມຫຼາຍທີ່ສຸດກ່ຽວກັບ Dryosaurus

?How big was Dryosaurus?

Based on known specimens, Dryosaurus reached up to 3 metres (9.8 ft) long and weighed up to 100 kilograms (220 lb). As no fully mature specimens have been found, the true adult size remains unknown.2

?What did Dryosaurus eat?

Dryosaurus was a plant-eating dinosaur. It ate low-growing vegetation in ancient floodplains, using its beak and cheek teeth.2 1

?When did Dryosaurus live?

Dryosaurus lived during the Late Jurassic period, about 155 to 145 million years ago.1

?Where was Dryosaurus found?

Dryosaurus fossils have been found in the western United States, including Wyoming, Utah, and Colorado. Fossils have also been identified in Tanzania.2 1

?How fast could Dryosaurus run?

Maybe up to about 46 km/h (29 mph). This is an estimate from its size. It was a quick, agile runner with strong legs and escaped predators with speed.2

?Did Dryosaurus have feathers?

The sources do not mention feathers on Dryosaurus. It is described as having a horny beak and cheek teeth, but no feather impressions have been found.2

?Was Dryosaurus bigger than a human?

Dryosaurus was about 3 metres (9.8 ft) long, which is longer than a human is tall, but it weighed up to 100 kilograms (220 lb), which is comparable to a large adult human.2

?Why is it called Dryosaurus?

Dryosaurus means 'tree lizard' or 'oak lizard'. It was named after the forested habitat where it lived, not because its teeth looked like oak leaves.2 4

ໄຂຄວາມເຊື່ອຜິດ

ຄວາມເຊື່ອຜິດ: Some people think Dryosaurus was named because its teeth looked like oak leaves.

ຄວາມຈິງ: Actually, the name comes from the Greek word for 'oak' because it lived in forests, not because of its teeth.2

ສຳລັບຜູ້ຊ່ຽວຊານໄດໂນ

ຊື່ວິທະຍາສາດ: Dryosaurus
ຕັ້ງຊື່ໂດຍ: Marsh 18945
ກຸ່ມ: ສັດກິນພືດມີຈະງອຍ
ຄອບຄົວ / ເຄລດ: Dryosauridae5
ການຈັດໝວດໝູ່: Ornithischia > Ornithopoda > Iguanodontia5
ອາຍຸຂອງຫີນ: 155 ຫາ 143 ລ້ານປີ (Kimmeridgian / Tithonian)5
ຊັ້ນຫີນ: Morrison, Marnes de Bléville, Lourinhã5
ປະເທດ: ສະຫະລັດ, ຝຣັ່ງ, ປອກຕຸຍການ, ເຢຍລະມັນ5
ບັນທຶກຟອສຊິລ: 24 ໃນ The Paleobiology Database5
ການຄົ້ນພົບ: The first Dryosaurus fossils were found in 1876 by Samuel Wendell Williston in Wyoming, USA. Othniel Charles Marsh named it Laosaurus altus in 1878, then gave it its own genus, Dryosaurus, in 1894.2
ຍັງຖົກຖຽງກັນຢູ່: Scientists are still debating the true adult size of Dryosaurus because no adult specimens have been found yet.2

ຂໍ້ມູນມາຈາກໃສ

Dryosaurus | Natural History Museum (nhm.ac.uk)
Dryosaurus (en.wikipedia.org)
Dryosaurus Fact Sheet (enchantedlearning.com)
Dryosaurus altus (U.S. National Park Service) (home.nps.gov)
Dryosaurus in The Paleobiology Database (CC BY 4.0): ອາຍຸ, ສະຖານທີ່, ຊັ້ນຫີນ, ການຈັດໝວດໝູ່.

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