Dinokaart nr. 1215 van 2 027

Mosasaurus

Naam beteken: “Meuse lizard, after the Meuse River in the Netherlands”1

Het geëet: VleisMosasourusseLaat Kryt tot Senosoïkum, die era van die soogdiereTegnies nie 'n dinosourus nie

Mosasaurus was a giant marine reptile that ruled the oceans at the end of the Age of Dinosaurs. It was not a dinosaur but a close relative of modern lizards and snakes. With its powerful jaws and long tail, it was a top predator in the sea.1

Prettige feit: hierdie seereptiel het geswem terwyl dinosourusse op land geloop het. Almal noem hulle dino's, maar hulle was 'n ander tak van die reptiele.

Het geleef

100 tot 62 miljoen jaar gelede5

Laat Kryt tot Senosoïkum, die era van die soogdiere

Fossiele gevind in

Fossils have been found in many places around the world, including the Netherlands, the United States (Alabama, Colorado, New Jersey, South Dakota, Texas, and others), Canada, Morocco, Japan, New Zealand, and Antarctica.5 1

Lengte

10 tot 17 m (33 tot 56 ft)1

Gewig

10 ton (22 000 lb)1

Topspoed

omtrent 26 km/h (16 mph)

Swem, skatting

Wanneer het dit geleef?

Voor die dinosourusse

Era van die dinosourusse

Era van die soogdiere

400 miljoen jaar gelede25266vandag

Hoe groot was dit?

Hoe lank was dit?

Hoe swaar was dit?

so swaar soos 7 motors

so lank soos 4 motors in 'n ry geparkeerso lank soos 94 piesangs punt aan puntso swaar soos 1,5 olifanteso swaar soos 2000 waatlemoeneso swaar soos 12 hele skoolklasse vol kindersso swaar soos 22 ysberekon die lengte van 'n groot swembad (50 m) in 6,9 sekondes swem

Hoe groot was Mosasaurus vergeleke met JOU?

Net wiskunde in jou blaaier. Niks word gestoor of êrens heen gestuur nie.

Hoe vinnig was dit?

'n Mens wat loop omtrent 5 km/h (3 mph)

'n Kind op 'n fiets omtrent 12 km/h (7 mph)

Mosasaurus omtrent 26 km/h (16 mph)

'n Galopperende perd omtrent 65 km/h (40 mph)

'n Jagluiperd omtrent 100 km/h (62 mph)

cool goed

Prettige feite

Mosasaurus was first discovered in 1766 in a limestone quarry near Maastricht, Netherlands, long before the word 'dinosaur' was even invented.1

The first Mosasaurus skull was seized by the French army in 1795 and is still on display in Paris today.1

Mosasaurus had a special joint in its lower jaw that allowed it to open its mouth extra wide, so it could swallow very large prey.1

Unlike most lizards, Mosasaurus gave birth to live young in the open ocean and did not need to come ashore to lay eggs.1

Some Mosasaurus species were warm-blooded, which helped them live in both cold polar waters and warm tropical seas.1

Mosasaurus teeth were curved and sharp, and they sat in sockets like ours, which helped it bite hard without hurting itself.1

Mosasaurus lived during the Late Cretaceous Period, from about 94 million to 66 million years ago, when a huge sea called the Western Interior Seaway covered parts of North America.1

KI-prent van Mosasaurus — 'n KI-prent van hoe Mosasaurus dalk gelyk het, deur 'n rekenaar gemaak uit wat wetenskaplikes weet. Dit is 'n raaiskoot: die regte dier het dalk anders gelyk, en niemand weet wat sy regte kleure was nie.

julle het gevra

Mees gevraagde vrae oor Mosasaurus

?Was Mosasaurus a dinosaur?

No, Mosasaurus was not a dinosaur. It was a giant marine reptile and a close relative of modern lizards and snakes.1 2

?How big was Mosasaurus?

The largest species, Mosasaurus hoffmanni, may have reached 17 to 18 metres (56 to 59 ft), though many scientists think 11 to 12 metres (36 to 39 ft) is more likely. Other species were about 8 to 10 metres (26 to 33 ft) long.1 2

?What did Mosasaurus eat?

Mosasaurus was a carnivore that ate fish, sharks, squid, birds, sea turtles, and even other mosasaurs. It could swallow very large prey thanks to a special hinge in its jaw.1 3 2

?When did Mosasaurus live?

Mosasaurus lived during the Late Cretaceous Period, from about 82 to 66 million years ago, when it went extinct along with the dinosaurs.2

?Could Mosasaurus swim fast?

Probably up to about 26 km/h (16 mph) in a short burst, about as fast as a grown-up riding a bike. This is an estimate. Mosasaurus swam by swishing its tail, but it probably could not swim very fast for long.3 4

?Did Mosasaurus have any predators?

Adult Mosasaurus had no natural predators, but young ones were hunted by sharks and giant fish. Mosasaurs also fought and sometimes ate each other.3 2

?Where have Mosasaurus fossils been found?

Mosasaurus fossils have been found in North and South America, Europe, Africa, Western Asia, and Antarctica, showing it lived in oceans all over the world.2

?Was Mosasaurus bigger than T. rex?

Yes, Mosasaurus was longer than T. rex. The largest Mosasaurus species could reach 17 to 18 metres (56 to 59 ft) long, while T. rex was about 12 metres (40 ft) long.1 2

?Did Mosasaurus lay eggs?

No, Mosasaurus gave birth to live young in the open ocean. Scientists found a fossil of a pregnant mosasaur with five babies inside.1 3

?How did Mosasaurus become extinct?

Mosasaurus went extinct about 66 million years ago, at the same time as the dinosaurs, likely because of the asteroid impact that caused a mass extinction.2

Mite-breker

Mite: Mosasaurus is a dinosaur.

Waarheid: Mosasaurus is not a dinosaur. It is a marine reptile and a member of the squamate group, which includes modern lizards and snakes.1

Vir dino-kenners

Wetenskaplike naam: Mosasaurus
Benoem deur: Parkinson 18225
Groep: Mosasourusse
Familie / klade: Mosasauridae5
Klassifikasie: Mosasauroidea5
Ouderdom van die rotse: 100 tot 62 miljoen jaar (Cenomanian / Danian)5
Rotsformasies: Navesink, Severn, Pierre Shale5
Lande: VSA, Sirië, Verenigde Koninkryk, Marokko, Nieu-Seeland, Pole5
Fossielrekords: 130 in The Paleobiology Database5
Ontdekking: The first Mosasaurus fossils were found in 1766 near Maastricht, Netherlands. The animal was named Mosasaurus in 1822 by James Parkinson, after the Meuse River. The famous French naturalist Georges Cuvier later confirmed it was a giant lizard.5 1
Steeds omstrede: Scientists are still debating the exact sizes of different Mosasaurus species, because only a few complete skeletons have been found.1

Waar die feite vandaan kom

What is a mosasaur? Facts about Mosasaurus and its relatives | Natural History Museum (nhm.ac.uk)
Mosasaurus (Wikipedia) (Wikipedia)
Mosasaur: Apex Predator of the Western Interior Seaway (U.S. National Park Service) (nps.gov)
Russian Geological Research Institute (karpinskyinstitute.ru)
Mosasaurus in The Paleobiology Database (CC BY 4.0): ouderdom, plekke, rotsformasies, klassifikasie.

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