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Cretornis

Dzina limatanthauza: “chalk bird”1

Ankadya: NsombaZokwawa zoulukaKumapeto kwa KretaseKwenikweni si dainoso

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

Mfundo yosangalatsa: mapterosauri ankauluka pamwamba pa madainoso, koma anali azisuweni awo, osati madainoso eniake.

Ankakhala

zaka 94 mpaka 90 miliyoni zapitazo3

Kumapeto kwa Kretase

Mafosili apezeka ku

Zářecká Lhota near Choceň, Czech Republic3 1

Kutambalala kwa mapiko

1.5 mpaka 1.6 m (4.9 mpaka 5.2 ft)1 2

Liwiro lalikulu kwambiri

pafupifupi 43 km/h (27 mph)

Kuuluka, kuyerekeza

Ankakhala liti?

Triasiki

Jurasiki

Kretase

Zaka 252 miliyoni zapitazo20114566, asteroidi

Anali wamkulu bwanji?

Mapiko ake anali otambalala bwanji?

wautali ngati amphaka a pakhomo 3 otsatizana mphuno ndi mchiraakanatha kuuluka kudutsa bwalo lonse la mpira m'masekondi 8.8

Cretornis 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)

Cretornis pafupifupi 43 km/h (27 mph)

Hatchi ikuthamanga pafupifupi 65 km/h (40 mph)

Kakwiyo pafupifupi 100 km/h (62 mph)

zinthu zosangalatsa

Mfundo zosangalatsa

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

Chithunzi cha Cretornis chopangidwa ndi AI — Chithunzi cha momwe Cretornis 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 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

Kwa akatswiri a madino

Dzina la sayansi: Cretornis
Anapatsidwa dzina ndi: Fritsch 18813
Gulu: Zokwawa zouluka
Banja / kladi: Azhdarchoidea3
Magawidwe a sayansi: Pterosauria > Pterodactyloidea3
Zaka za miyala: zaka 94 mpaka 90 miliyoni (Turonian)3
Mapangidwe a miyala: Jizera3
Mayiko: Czechia3
Zolemba za mafosili: 1 mu The Paleobiology Database3
Kupezeka: 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
Akukambiranabe: 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

Kumene mfundo zimachokera

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): zaka, malo, mapangidwe a miyala, magawidwe a sayansi.

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