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Ikhadi ledayinaso No. 1930 kwe-2 027

Xenodens

Igama lithetha: “strange tooth”1

Yayitya: InyamaIimosasauriiCretaceous yamvaNgokwenene ayisiyo dayinaso

Xenodens was a mosasaur, a giant marine lizard that lived in the sea during the time of dinosaurs. It had a mouth full of flat, blade-like teeth that worked like a saw, just like a shark or a piranha. This helped it slice through fish, squid, and even other sea creatures.1

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

Yaphila

72 ukuya ku-66 izigidi zeminyaka eyadlulayo2

iCretaceous yamva

Iifosili zifunyenwe:

Ouled Abdoun Basin, Morocco1 2

Ubude

0.9 ukuya ku-1.1 m (3 ukuya ku-3.6 ft)1

Esona santya siphezulu

malunga ne-13 km/h (8 mph)

Ukuqubha, uqikelelo

Yaphila nini?

iTriassic

iJurassic

iCretaceous

Izigidi ezingama-252 zeminyaka eyadlulayo20114566, i-asteroyidi

Yayinkulu kangakanani?

Yayinde kangakanani?

inde njengeekati zasekhaya ezingama-2, impumlo ukuya emsileniinde njengeebhanana ezingama-6 zilandelelanaibinokuqubha ubude bechibi elikhulu lokuqubha (50 m) ngemizuzwana engama-14

Xenodens 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)

Xenodens malunga ne-13 km/h (8 mph)

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

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

izinto ezimnandi

Iinyani ezimnandi

Xenodens means 'strange tooth' in Greek and Latin, and its species name calminechari means 'like a saw' in Arabic.1

Its teeth were short, flattened, and blade-like, forming a saw-like edge along the jaw. No other land or sea reptile had teeth like this.1

Xenodens lived about 72 to 66 million years ago, near the end of the Age of Dinosaurs.2

Scientists first described Xenodens in 2021 from two upper jaw bones found in a phosphate mine in Morocco.1

Some scientists thought the fossil might be a fake, but CT scans in 2025 showed the teeth were real and naturally attached.1

Xenodens was small for a mosasaur, only about 1 meter (3.3 feet) long. Many other mosasaurs were much bigger.1

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

?Was Xenodens a dinosaur?

No, Xenodens was a mosasaur, a marine lizard that lived in the sea during the time of dinosaurs.1

?How big was Xenodens?

About 1 meter (3.3 feet) long, which is small for a mosasaur.1

?What did Xenodens eat?

It likely ate fish, squid, crustaceans, and scavenged dead marine reptiles, using its saw-like teeth to slice through food.1

?Why did Xenodens have strange teeth?

Its short, flattened, blade-like teeth formed a saw-like edge, similar to dogfish sharks and piranhas, for cutting prey.1

Inyaniso ngeentsomi

Intsomi: Xenodens was a dinosaur.

Inyaniso: Xenodens was a mosasaur, a type of marine lizard that lived in the ocean. Mosasaurs are not dinosaurs.1

Kwiingcali zeedayinaso

Igama lenzululwazi: Xenodens
Inikwe igama ngu:: Longrich et al. 20212
Iqela: Iimosasauri
Usapho / iclade: Mosasauridae2
Ukuhlelwa: Mosasauroidea2
Ubudala bamatye: 72 ukuya ku-66 izigidi zeminyaka (Maastrichtian)2
Izakhiwo zamatye: Couche III2
Amazwe: iMorocco2
Iirekhodi zeefosili: 1 kwi-Paleobiology Database2
Ukufunyanwa: Xenodens was named in 2021 by Nick Longrich and colleagues based on a left upper jaw bone bought from a local farmer in Morocco. The fossil came from the Sidi Chennane phosphate mine.1
Kusaxoxwa ngayo: Some scientists still debate whether Xenodens is a real species or a fake fossil, though CT scans support its authenticity.1

Apho iinyani zivela khona

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

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