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Ikhadi ledayinaso No. 0324 kwe-2 027

Caiuajara

Igama lithetha: “named after the Caiuá desert where it was found”1

Yayitya: IzityaloIzirhubuluzi ezibhabhayoiCretaceous yokuqala ukuya ku-iCretaceous yamvaNgokwenene ayisiyo dayinaso

Caiuajara was a flying reptile that lived in a hot desert. It had a big crest on its head that grew steeper as it got older. Dozens of Caiuajara fossils were found together, showing they lived in colonies.1

Inyani emnandi: iipterosauri zazibhabha phezu kweedayinaso, kodwa zazingabazala bazo, hayi iidayinaso ngokwazo.

Yaphila

121 ukuya ku-72 izigidi zeminyaka eyadlulayo4

iCretaceous yokuqala ukuya ku-iCretaceous yamva

Iifosili zifunyenwe:

Cruzeiro do Oeste, Paraná State, southern Brazil1

Ububanzi bamaphiko

0.65 ukuya ku-2.35 m (2.1 ukuya ku-7.7 ft)1

Esona santya siphezulu

malunga ne-52 km/h (32 mph)

Ukubhabha, uqikelelo

Yaphila nini?

iTriassic

iJurassic

iCretaceous

Izigidi ezingama-252 zeminyaka eyadlulayo20114566, i-asteroyidi

Yayinkulu kangakanani?

Amaphiko ayo ayebanzi kangakanani?

inde njengeekati zasekhaya ezingama-5, impumlo ukuya emsileniibinokubhabha inqumle ibala lebhola ekhatywayo lonke ngemizuzwana engama-7.3

Caiuajara wayemkhulu kangakanani xa ethelekiswa NAWE?

Yimathematika nje kwibhrawuza yakho. Akukho nto igcinwayo okanye ithunyelwe naphi na.

Yayikhawuleza kangakanani?

Umntu ohambayo malunga ne-5 km/h (3 mph)

Umntwana ekhwele ibhayisikile malunga ne-12 km/h (7 mph)

Caiuajara malunga ne-52 km/h (32 mph)

Ihashe elibaleka ngamandla malunga ne-65 km/h (40 mph)

Ingwenkala malunga ne-100 km/h (62 mph)

izinto ezimnandi

Iinyani ezimnandi

Caiuajara is the first pterosaur found in southern Brazil. All other Brazilian pterosaurs come from the northeast.1

At least 47 individuals were found in one bone bed, which is very rare for pterosaurs.1

Young Caiuajara had a small, slanted head crest (about 115°). Adults had a larger, steeper crest (about 90°).1

Caiuajara could probably fly at a very young age. This is called being precocial.1

It lived around an oasis lake in a Cretaceous desert. Storms may have carried dead pterosaurs into the lake.1

Caiuajara belongs to a group called Tapejaridae, which had no teeth and are thought to have eaten fruit.1

Umfanekiso owenziwe yi-AI: Caiuajara — Umfanekiso owenziwe yi-AI obonisa indlela Caiuajara esenokuba wayekhangeleka ngayo, wenziwe yikhompyutha ngokwento eyaziwa zizazinzulu. Kukuqikelela nje: esona silwanyana sinokuba sasikhangeleka ngenye indlela, kwaye akukho mntu waziyo imibala yaso yokwenyani.

ubuzile

Eyona mibuzo ibuzwa kakhulu: Caiuajara

?How big was Caiuajara?

The largest Caiuajara had a wingspan of about 2.35 meters (7.7 feet). The smallest juveniles had a wingspan of about 0.65 meters (2.1 feet).1 3

?Did Caiuajara have teeth?

No, Caiuajara had no teeth. It belonged to a group of toothless pterosaurs called Tapejaridae.1 3

?What did Caiuajara eat?

Scientists think Caiuajara ate fruit, because other tapejarid pterosaurs are thought to have been frugivorous. However, no direct food remains have been found with the fossils.1 3

?Could Caiuajara fly?

Yes, Caiuajara could fly. Even very young individuals had well-developed flight muscles and could probably fly soon after hatching.1 3

?Where was Caiuajara found?

Caiuajara fossils were found in southern Brazil, near the town of Cruzeiro do Oeste in the state of Paraná. It is the first pterosaur discovered in southern Brazil.1 3

?Why did Caiuajara have a crest?

The crest on Caiuajara's head probably helped with display, like attracting mates or recognizing other members of its species. The crest grew larger and steeper as the animal got older.1 3

Kwiingcali zeedayinaso

Igama lenzululwazi: Caiuajara
Inikwe igama ngu:: Manzig et al. 20144
Iqela: Izirhubuluzi ezibhabhayo
Usapho / iclade: Tapejaridae4
Ukuhlelwa: Pterosauria > Pterodactyloidea4
Ubudala bamatye: 121 ukuya ku-72 izigidi zeminyaka (Aptian / Campanian)4
Izakhiwo zamatye: Goio-Erê4
Amazwe: iBrazil4
Iirekhodi zeefosili: 1 kwi-Paleobiology Database4
Ukufunyanwa: Caiuajara was named in 2014 by Manzig and colleagues. The fossils were found near Cruzeiro do Oeste in southern Brazil.2 1
Kusaxoxwa ngayo: Scientists are not sure exactly how old the rocks are. Caiuajara could be the youngest known tapejarid pterosaur, or the rocks might be older than thought.1

Apho iinyani zivela khona

Discovery of a Rare Pterosaur Bone Bed in a Cretaceous Desert with Insights on Ontogeny and Behavior of Flying Reptiles | PLOS One (journals.plos.org)
PBDB Taxon (paleobiodb.org)
Caiuajara (en.wikipedia.org)
Caiuajara in The Paleobiology Database (CC BY 4.0): ubudala, iindawo, izakhiwo zamatye, ukuhlelwa.

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