Alexeyisaurus
Alexeyisaurus was a long-necked marine reptile that swam in the oceans during the Late Triassic, about 210 million years ago. It was not a dinosaur, but a plesiosaur, a type of sea creature with a small head and four flippers. It lived near what is now Franz Josef Land in Russia.12
ມັນມີຊີວິດຢູ່ເມື່ອໃດ?
ມັນໃຫຍ່ປານໃດ?
ມັນຍາວປານໃດ?
ຍາວເທົ່າໝາ 7 ໂຕຕໍ່ກັນຈາກດັງຫາຫາງ🍌ຍາວເທົ່າກ້ວຍ 39 ໜ່ວຍຕໍ່ກັນ🏊ລອຍໄດ້ຄວາມຍາວສະລອຍນ້ຳໃຫຍ່ (50 ມ) ໃນ 6,9 ວິນາທີAlexeyisaurus ໃຫຍ່ປານໃດ ເມື່ອທຽບກັບເຈົ້າ?
ແຄ່ຄິດໄລ່ໃນບຣາວເຊີຂອງເຈົ້າ. ບໍ່ມີຫຍັງຖືກບັນທຶກ ຫຼື ສົ່ງໄປໃສ.
ມັນໄວປານໃດ?
ເລື່ອງໜ້າຮູ້ມ່ວນໆ
Alexeyisaurus is one of the earliest known plesiosaurs, living during the Late Triassic period.3
Its body was about 7 meters (23 feet) long, which is as long as a small bus.2
The humerus (upper arm bone) was straight and very long, with flat ends that suggest the head of the bone was not fully hardened.2
Its femur (thigh bone) was slightly curved and had wider ends than the humerus, giving it a different shape.2
The vertebrae (back bones) were strictly amphicoelous, meaning they were hollow on both ends like a dumbbell.2
Scientists first thought Alexeyisaurus was an elasmosaur, but later studies say the skeleton is too poorly preserved to be sure.1

ຄຳຖາມທີ່ຖືກຖາມຫຼາຍທີ່ສຸດກ່ຽວກັບ Alexeyisaurus
ສຳລັບຜູ້ຊ່ຽວຊານໄດໂນ
- ຊື່ວິທະຍາສາດ
- Alexeyisaurus
- ຕັ້ງຊື່ໂດຍ
- Sennikov and Arkhangelsky 20105
- ກຸ່ມ
- ພລີຊິໂອຊໍ
- ຄອບຄົວ / ເຄລດ
- Elasmosauridae5
- ການຈັດໝວດໝູ່
- Plesiosauria > Elasmosauridae > Sauropterygia5
- ອາຍຸຂອງຫີນ
- 227 ຫາ 211 ລ້ານປີ (Norian)5
- ຊັ້ນຫີນ
- Wilczek5
- ປະເທດ
- ຣັດເຊຍ5
- ບັນທຶກຟອສຊິລ
- 1 ໃນ The Paleobiology Database5
- ການຄົ້ນພົບ
- Alexeyisaurus was named by Russian paleontologists A. G. Sennikov and M. S. Arkhangelsky in 2010, based on an incomplete skeleton found on Wilczek Land in the Arctic.12
- ຍັງຖົກຖຽງກັນຢູ່
- Scientists are not sure if Alexeyisaurus was really an elasmosaurid plesiosaur, because the only skeleton found is incomplete and poorly preserved.1
ຂໍ້ມູນມາຈາກໃສ
- Alexeyisaurus (en.wikipedia.org)
- PBDB Taxon (paleobiodb.org)
- On a typical Jurassic sauropterygian from the Upper Triassic of Wilczek Land (Franz Josef Land, Arctic Russia) (exa.ai)
- Alexeyisaurus – Plesiosaur Directory (plesiosauria.com)
- Alexeyisaurus in The Paleobiology Database (CC BY 4.0): ອາຍຸ, ສະຖານທີ່, ຊັ້ນຫີນ, ການຈັດໝວດໝູ່.
ທຸກຂໍ້ມູນໃນໜ້ານີ້ມີຕົວເລກທີ່ຊີ້ໄປຫາແຫຼ່ງອ້າງອີງ. ຖ້າພວກເຮົາຜິດພາດ, ຂໍໂທດເດີ, ພວກເຮົາເປັນແຟນໄດໂນ ບໍ່ແມ່ນວາລະສານວິທະຍາສາດ. ບອກພວກເຮົາທີ່ [email protected] ແລ້ວພວກເຮົາຈະແກ້ໄຂ.
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