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Cretornis

ຊື່ໝາຍຄວາມວ່າ: “chalk bird”1

ກິນ: ປາສັດເລືອຄານບິນໄດ້ຄຣີເທເຊຍສຕອນປາຍຕາມຫຼັກວິຊາການ ບໍ່ແມ່ນໄດໂນເສົາ

Cretornis was a flying reptile that lived about 92 million years ago. It had a wingspan as wide as a bicycle is long and probably ate fish. Its fossils were found in the Czech Republic.1 3

ເລື່ອງໜ້າຮູ້: ເທໂຣຊໍບິນຢູ່ເໜືອໄດໂນເສົາ, ແຕ່ພວກມັນເປັນພີ່ນ້ອງກັນ, ບໍ່ແມ່ນໄດໂນເສົາແທ້.

ມີຊີວິດຢູ່

94 ຫາ 90 ລ້ານປີກ່ອນ3

ຄຣີເທເຊຍສຕອນປາຍ

ພົບຟອສຊິລທີ່

Zářecká Lhota near Choceň, Czech Republic3 1

ຄວາມກວ້າງຂອງປີກ

1,5 ຫາ 1,6 m (4,9 ຫາ 5,2 ft)1 2

ຄວາມໄວສູງສຸດ

ປະມານ 43 ກມ/ຊມ (27 ໄມລ໌/ຊມ)

ບິນໄດ້, ຄ່າປະມານ

ມັນມີຊີວິດຢູ່ເມື່ອໃດ?

ໄທຣແອສຊິກ

ຈູຣາສຊິກ

ຄຣີເທເຊຍສ

252 ລ້ານປີກ່ອນ20114566, ດາວເຄາະນ້ອຍຕົກ

ມັນໃຫຍ່ປານໃດ?

ປີກຂອງມັນກວ້າງປານໃດ?

ຍາວເທົ່າແມວບ້ານ 3 ໂຕຕໍ່ກັນຈາກດັງຫາຫາງບິນຂ້າມສະໜາມບານເຕະທັງສະໜາມໄດ້ໃນ 8,8 ວິນາທີ

Cretornis ໃຫຍ່ປານໃດ ເມື່ອທຽບກັບເຈົ້າ?

ແຄ່ຄິດໄລ່ໃນບຣາວເຊີຂອງເຈົ້າ. ບໍ່ມີຫຍັງຖືກບັນທຶກ ຫຼື ສົ່ງໄປໃສ.

ມັນໄວປານໃດ?

ຄົນຍ່າງ ປະມານ 5 ກມ/ຊມ (3 mph)

ເດັກຂີ່ລົດຖີບ ປະມານ 12 ກມ/ຊມ (7 mph)

Cretornis ປະມານ 43 ກມ/ຊມ (27 mph)

ມ້າກຳລັງຄວບ ປະມານ 65 ກມ/ຊມ (40 mph)

ເສືອຊີຕາ ປະມານ 100 ກມ/ຊມ (62 mph)

ເລື່ອງເທ່ໆ

ເລື່ອງໜ້າຮູ້ມ່ວນໆ

Cretornis was first thought to be a bird, not a pterosaur. The scientist who named it, Antonín Frič, called it a 'chalk bird' because he thought it was a toothed bird like Ichthyornis.1

The fossils were found by a woman named Mrs. Tomková, who worked at a gambling table in Choceň. She told a local pharmacist, František Hlaváč, about the bones, and he collected them.1

Cretornis is the only pterosaur ever found in the Czech Republic. Its bones come from a sandstone quarry that was being used to get gravel for road repairs.1 2

The upper arm bone (humerus) of Cretornis is only 76 millimeters long, which is about the length of three fingers side by side.1

Scientists are not sure exactly what group of pterosaurs Cretornis belongs to. Some think it is an azhdarchoid, others think it is a nyctosaurid.1 2

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

ເຈົ້າຖາມມາ

ຄຳຖາມທີ່ຖືກຖາມຫຼາຍທີ່ສຸດກ່ຽວກັບ Cretornis

?How big was Cretornis?

Its wingspan was about 1.5 to 1.6 metres (4.9 to 5.2 feet), which is as wide as a bicycle. Its upper arm bone was only 76 millimetres (3 inches) long.1 2

?What did Cretornis eat?

It probably ate fish, like many other pterosaurs that lived near the sea.1

?Is Cretornis a dinosaur?

No, Cretornis is a pterosaur, a flying reptile that lived during the time of dinosaurs, but it is not a dinosaur itself.1

ສຳລັບຜູ້ຊ່ຽວຊານໄດໂນ

ຊື່ວິທະຍາສາດ: Cretornis
ຕັ້ງຊື່ໂດຍ: Fritsch 18813
ກຸ່ມ: ສັດເລືອຄານບິນໄດ້
ຄອບຄົວ / ເຄລດ: Azhdarchoidea3
ການຈັດໝວດໝູ່: Pterosauria > Pterodactyloidea3
ອາຍຸຂອງຫີນ: 94 ຫາ 90 ລ້ານປີ (Turonian)3
ຊັ້ນຫີນ: Jizera3
ປະເທດ: ເຊັກເຊຍ3
ບັນທຶກຟອສຊິລ: 1 ໃນ The Paleobiology Database3
ການຄົ້ນພົບ: Cretornis was named in 1881 by Czech paleontologist Antonín Frič. He first thought the bones were from a bird, but later scientists realized it was a pterosaur.1 3
ຍັງຖົກຖຽງກັນຢູ່: Scientists still debate whether Cretornis was an azhdarchoid pterosaur or a nyctosaurid. Its exact place in the pterosaur family tree is not settled.1 2

ຂໍ້ມູນມາຈາກໃສ

Cretornis (en.wikipedia.org)
Cretornis hlavaci Frič, 1881 from the Upper Cretaceous of Czech Republic (Pterosauria, Azhdarchoidea) - ScienceDirect (sciencedirect.com)
Cretornis 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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