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Ikhadi ledayinaso No. 1475 kwe-2 027

Prognathodon

Igama lithetha: “forejaw tooth”1

Yayitya: InyamaIimosasauriiCretaceous yamva ukuya ku-iCenozoic, ixesha lezilwanyana ezincancisayoNgokwenene ayisiyo dayinaso

Prognathodon was a giant marine lizard that lived in the oceans at the same time as the dinosaurs. It had a huge, powerful skull and strong teeth that could crush the shells of sea turtles. This mosasaur was an apex predator, meaning it was at the top of the food chain.1

Inyani emnandi: esi sirhubuluzi saselwandle sasiqubha ngelixa iidayinaso zazihamba emhlabeni. Wonke umntu uzibiza ngokuba ziidayinaso, kodwa zazilisebe elahlukileyo lezirhubuluzi.

Yaphila

100 ukuya ku-62 izigidi zeminyaka eyadlulayo2

iCretaceous yamva ukuya ku-iCenozoic, ixesha lezilwanyana ezincancisayo

Iifosili zifunyenwe:

Belgium, the Netherlands, Canada (Alberta), United States (Alabama, California, Colorado, Georgia, Maryland, New Jersey, North Carolina, South Carolina, South Dakota, Tennessee, Texas), Morocco, New Zealand, and many other places2

Ubude

12 m (39 ft)1

Esona santya siphezulu

malunga ne-31 km/h (19 mph)

Ukuqubha, uqikelelo

Yaphila nini?

Phambi kweedayinaso

Ixesha leedayinaso

Ixesha lezilwanyana ezincancisayo

Izigidi ezingama-400 zeminyaka eyadlulayo25266namhlanje

Yayinkulu kangakanani?

Yayinde kangakanani?

inde njengeemoto ezingama-2.5 zipakwe zilandelelanainde njengeebhanana ezingama-67 zilandelelanaibinokuqubha ubude bechibi elikhulu lokuqubha (50 m) ngemizuzwana engama-5.8

Prognathodon 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)

Prognathodon malunga ne-31 km/h (19 mph)

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

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

izinto ezimnandi

Iinyani ezimnandi

The name Prognathodon means 'forejaw tooth' because its front teeth were especially big and strong.1

One fossil of Prognathodon saturator, nicknamed 'Bèr', was found in a limestone quarry in the Netherlands and is about 12 metres long.1

Prognathodon had teeth with fine, wavy ridges near the tip that helped strengthen them for crushing hard prey like sea turtles.1

Gut contents from a Canadian specimen show that Prognathodon ate a very large fish (1.6 metres long), a smaller fish, a sea turtle, and possibly a squid-like cephalopod.1

Unlike many other mosasaurs, Prognathodon had blunt, rounded tooth tips instead of sharp cutting edges, suggesting it was a crusher of hard-shelled animals.1

The pterygoid teeth on the roof of its mouth were unusually large and showed no wear, so scientists think they were used to grip prey before swallowing it whole.1

Prognathodon fossils have been found on every continent except Antarctica, showing it lived in warm seas worldwide.2

Scientists still argue about which species belong in Prognathodon, because many fossils are incomplete and look different from each other.1

Umfanekiso owenziwe yi-AI: Prognathodon — Umfanekiso owenziwe yi-AI obonisa indlela Prognathodon 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: Prognathodon

?Was Prognathodon a dinosaur?

No, Prognathodon was a marine lizard, not a dinosaur. It belonged to the mosasaur family, which lived in the oceans at the same time as the dinosaurs.1

?How big was Prognathodon?

Prognathodon was one of the largest mosasaurs. Different species reached different sizes: P. giganteus was about 10 metres (33 feet) long, P. currii about 11 metres (36 feet), and P. saturator about 12 metres (39 feet).1

?What did Prognathodon eat?

Prognathodon was an apex predator that ate hard-shelled prey like sea turtles, as well as large fish and possibly squid. Gut contents from one fossil included a 1.6 metre long fish, a smaller fish, a sea turtle, and a possible cephalopod.1

?Could Prognathodon crush shells?

Yes, Prognathodon had massively built jaws and blunt, rounded teeth with wavy ridges that helped it crush hard prey like sea turtle shells. Its bite was stronger than any other mosasaur.1

?Where was Prognathodon found?

Prognathodon fossils have been found in North America, Europe, Africa, the Middle East, and New Zealand. One famous specimen nicknamed 'Bèr' was discovered in a limestone quarry in the Netherlands.1

?When did Prognathodon live?

Prognathodon lived during the Late Cretaceous period, from about 84 to 66 million years ago. It went extinct at the same time as the non-avian dinosaurs.1

Inyaniso ngeentsomi

Intsomi: Some people think Prognathodon was a dinosaur.

Inyaniso: Prognathodon was not a dinosaur. It was a mosasaur, a type of marine lizard that lived in the sea.1

Kwiingcali zeedayinaso

Igama lenzululwazi: Prognathodon
Inikwe igama ngu:: Dollo 18892
Iqela: Iimosasauri
Usapho / iclade: Mosasauridae2
Ukuhlelwa: Mosasauroidea2
Ubudala bamatye: 100 ukuya ku-62 izigidi zeminyaka (Cenomanian / Danian)2
Izakhiwo zamatye: Bearpaw Shale, Torme, Gulpen2
Amazwe: iUSA, iMorocco, iSpeyin, iSweden, iFransi, iBhelgiyam2
Iirekhodi zeefosili: 94 kwi-Paleobiology Database2
Ukufunyanwa: Prognathodon was first named by Belgian paleontologist Louis Dollo in 1889, based on fossils found in Belgium. There was some confusion because Dollo first called it 'Prognathodon' but later used the name 'Prognathosaurus' in his papers.1
Kusaxoxwa ngayo: Scientists are still debating which species truly belong to Prognathodon, because many fossils are incomplete and show different features.1

Apho iinyani zivela khona

Prognathodon (en.wikipedia.org)
Prognathodon in The Paleobiology Database (CC BY 4.0): ubudala, iindawo, izakhiwo zamatye, ukuhlelwa.

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