Mosasaurus
ExploreAncient
Mosasaurus
Mosasaurus hoffmannii
Mosasaurus was a powerful marine reptile that swam the ancient seas using flippers and a streamlined body.
Habitat: Mesozoic oceans and coastal waters
Appearance
The Mosasaurus had a long, streamlined body resembling a giant, powerful lizard with four paddle-like flippers. Its massive skull featured sharp, conical teeth for gripping prey, and a large, paddle-shaped tail propelled it through ancient seas.
KingdomAnimalia
Category
AncientRarity
Common
Danger
1/5 · Very low
Snaps
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Interesting facts
Its closest living relatives are surprisingly snakes and monitor lizards!
Mosasaurus was an apex predator, ruling the oceans during the Late Cretaceous period.
Some fossils show bite marks from other Mosasaurus, suggesting intense fights!
This creature lived at the same time as the mighty Tyrannosaurus Rex on land!
Special abilities
Ability
Jaw Unhinge Power
Mosasaurus can unhinge its powerful jaws to swallow very large prey whole, helping them consume big meals.
Ability
Double Tooth Grip
Mosasaurus had an extra row of teeth in its upper palate that helped it grip slippery prey, ensuring no escape.
Ability
Super Sea Speed
Mosasaurus used its mighty, paddle-shaped tail and four powerful flippers to propel itself through water with impressive speed.
Measurements & details
- Estimated Length
- 10-17 m
- Estimated Weight
- 10000-20000 kg
- Era
- Late Cretaceous Period
- Extinct Millions Years Ago
- 66
Diet & Feeding
This ancient ocean hunter ate a diverse menu of fish, sharks, ammonites, and even other marine reptiles!
Primary Foods
- Fish
- Ammonites
- Sharks
- Plesiosaurs
- Sea Turtles
- Squids
Foraging Method
- Pursuit
Ecological connections
eats
Giant Ammonite
Pachydiscus seppenradensis
Mosasaurus crushed shells to eat these mollusks.
eats
Crow Shark
Squalicorax pristodontulus
Often preyed upon by larger marine predators.
hunts
Elasmosaurus
Elasmosaurus platyurus
Mosasaurus was a dominant hunter of other large marine reptiles.
hunts
Archelon
Archelon ischyros
Mosasaurus's strong jaws could crush turtle shells.
Traits
Ancient
Ancient refers to organisms, objects, or geological formations that have existed for an extremely long period.
Artifact
An artifact is an object made or modified by human culture, typically of historical or archaeological interest.
Fossil
A fossil is the preserved remains or traces of an ancient organism embedded in rock or other geological deposits.
Also known as
Mosasaur
Collections
Safety
Danger
1/5 · Very low
While extremely dangerous in their time, this creature is now extinct.
Frequently Asked Questions
How long is Mosasaurus?
10-17 m
How much does Mosasaurus weigh?
10000-20000 kg
What does Mosasaurus eat?
This ancient ocean hunter ate a diverse menu of fish, sharks, ammonites, and even other marine reptiles!
Where is Mosasaurus usually found?
Mesozoic oceans and coastal waters
How does Mosasaurus hunt?
Pursuit
What geologic era did Mosasaurus live in?
Late Cretaceous Period
When did Mosasaurus go extinct?
66
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