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Karete ya dinosaure No. 0454 ho tse 2 027

Cretornis

Lebitso le bolela: “chalk bird”1

E jele: DitlhapiDihahabi tse fofangKretase ya MoraoHa se dinosaure ho ya ka saense

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

Ntlha e monate: dipterosaure di ne di fofa kahodimo ho didinosaure, empa e ne e le batswala ba tsona, e seng didinosaure ka botsona.

E phetse

dilemo tse dimilione tse 94 ho isa ho 90 tse fetileng3

Kretase ya Morao

Difosili di fumanwe ho

Zářecká Lhota near Choceň, Czech Republic3 1

Bophara ba mapheo

1.5 ho isa ho 1.6 m (4.9 ho isa ho 5.2 ft)1 2

Lebelo le phahameng ka ho fetisisa

e ka bang 43 km/h (27 mph)

Ho fofa, kakanyo

E phetse neng?

Triasiki

Jurasiki

Kretase

Dilemo tse dimilione tse 252 tse fetileng20114566, asteroiti

E ne e le kgolo hakae?

Mapheo a yona a ne a pharaletse hakae?

telele jwaloka dikatse tsa lapeng tse 3 ho tloha nkong ho isa mohatlenge ne e ka fofa ho tshela lebala lohle la bolo ya maoto ka metsotswana e 8.8

Cretornis 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?

Motho ya tsamayang ka maoto e ka bang 5 km/h (3 mph)

Ngwana a palame baesekele e ka bang 12 km/h (7 mph)

Cretornis e ka bang 43 km/h (27 mph)

Pere e mathang ka matla e ka bang 65 km/h (40 mph)

Lengau e ka bang 100 km/h (62 mph)

dintho tse monate

Dintlha tse monate

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

Setshwantsho sa Cretornis se entsweng ke AI — Setshwantsho se entsweng ke AI, se bontshang kamoo Cretornis 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 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

Bakeng sa ditsebi tsa didinosaure

Lebitso la saense: Cretornis
E rehilwe ke: Fritsch 18813
Sehlopha: Dihahabi tse fofang
Lelapa / leloko: Azhdarchoidea3
Tlhophiso: Pterosauria > Pterodactyloidea3
Dilemo tsa mafika: dilemo tse dimilione tse 94 ho isa ho 90 (Turonian)3
Dibopeho tsa mafika: Jizera3
Dinaha: Czechia3
Direkoto tsa difosili: 1 ho The Paleobiology Database3
Ho sibollwa: 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
E sa ntse e phehwa kgang: 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

Moo dintlha di tswang teng

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): dilemo, dibaka, dibopeho tsa mafika, tlhophiso.

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