Xenodens
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
Wanneer het dit geleef?
Hoe groot was dit?
Hoe lank was dit?
so lank soos 2 huiskatte van neus tot stert🍌so lank soos 6 piesangs punt aan punt🏊kon die lengte van 'n groot swembad (50 m) in 14 sekondes swemHoe groot was Xenodens vergeleke met JOU?
Net wiskunde in jou blaaier. Niks word gestoor of êrens heen gestuur nie.
Hoe vinnig was dit?
Prettige feite
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

Mees gevraagde vrae oor 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
Mite-breker
Mite: Xenodens was a dinosaur.
Waarheid: Xenodens was a mosasaur, a type of marine lizard that lived in the ocean. Mosasaurs are not dinosaurs.1
Vir dino-kenners
- Wetenskaplike naam
- Xenodens
- Benoem deur
- Longrich et al. 20212
- Groep
- Mosasourusse
- Familie / klade
- Mosasauridae2
- Klassifikasie
- Mosasauroidea2
- Ouderdom van die rotse
- 72 tot 66 miljoen jaar (Maastrichtian)2
- Rotsformasies
- Couche III2
- Lande
- Marokko2
- Fossielrekords
- 1 in The Paleobiology Database2
- Ontdekking
- 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
- Steeds omstrede
- Some scientists still debate whether Xenodens is a real species or a fake fossil, though CT scans support its authenticity.1
Waar die feite vandaan kom
- Xenodens (en.wikipedia.org)
- Xenodens in The Paleobiology Database (CC BY 4.0): ouderdom, plekke, rotsformasies, klassifikasie.
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