Dinokaart nr. 1452 van 2 027

Plesiotylosaurus

Naam beteken: “near Tylosaurus”1

Het geëet: VleisMosasourusseLaat KrytTegnies nie 'n dinosourus nie

Plesiotylosaurus was a giant marine lizard that swam in the warm seas of the Late Cretaceous. It was not a dinosaur, but a fierce predator with a long, powerful body and a skull full of sharp teeth.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

72 tot 66 miljoen jaar gelede3

Laat Kryt

Fossiele gevind in

Moreno Formation in California, USA1 3

Lengte

6 m (20 ft)1

Topspoed

omtrent 38 km/h (24 mph)

Swem, skatting

Wanneer het dit geleef?

Trias

Jura

Kryt

252 miljoen jaar gelede20114566, die asteroïde

Hoe groot was dit?

Hoe lank was dit?

so lank soos 6 honde van neus tot stertso lank soos 33 piesangs punt aan puntkon die lengte van 'n groot swembad (50 m) in 4,7 sekondes swem

Hoe groot was Plesiotylosaurus 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)

Plesiotylosaurus omtrent 38 km/h (24 mph)

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

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

cool goed

Prettige feite

Plesiotylosaurus had a bony rostrum (a kind of snout tip) that stuck out in front of its teeth, which is unusual among mosasaurs.1

Its lower jaw alone was nearly 1 meter (3.2 feet) long, about the height of a 3-year-old child.1

Plesiotylosaurus had teeth on the roof of its mouth (pterygoid teeth) that were almost as big as its regular teeth.1

Even though its name means 'near Tylosaurus', Plesiotylosaurus is not closely related to Tylosaurus. They just evolved similar skull features separately.1

The holotype skull of Plesiotylosaurus was found in the Panoche Hills of California, and it is a bit squashed but still mostly complete.1

Plesiotylosaurus lived about 70 to 66 million years ago, right at the end of the Age of Dinosaurs.1

KI-prent van Plesiotylosaurus — 'n KI-prent van hoe Plesiotylosaurus 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 Plesiotylosaurus

?How big was Plesiotylosaurus?

About 6 metres (20 feet) long, based on its 98 cm (3.22 feet) lower jaw. Some estimates suggest around 6.5 metres.1 2

?What did Plesiotylosaurus eat?

It was a carnivore and probably ate tough prey like marine turtles, which are found in the same rocks. Its robust skull and strong jaws suggest it could handle hard-shelled animals.1 2

?Was Plesiotylosaurus a dinosaur?

No, it was a marine lizard belonging to the mosasaur family, not a dinosaur. It swam in the sea during the Late Cretaceous.1

Vir dino-kenners

Wetenskaplike naam: Plesiotylosaurus
Benoem deur: Camp 19423
Groep: Mosasourusse
Familie / klade: Mosasauridae3
Klassifikasie: Mosasauroidea3
Ouderdom van die rotse: 72 tot 66 miljoen jaar (Maastrichtian)3
Rotsformasies: Moreno3
Lande: VSA3
Fossielrekords: 2 in The Paleobiology Database3
Ontdekking: Plesiotylosaurus was named by C. L. Camp in 1942 based on a skull and jaws found in the Moreno Formation of California.1 3
Steeds omstrede: Scientists still debate whether Plesiotylosaurus should be considered a separate genus or if it is actually a species of Prognathodon, because their skulls are so similar.1

Waar die feite vandaan kom

Plesiotylosaurus (en.wikipedia.org)
Plesiotylosaurus (prehistoric-wildlife.com)
Plesiotylosaurus in The Paleobiology Database (CC BY 4.0): ouderdom, plekke, rotsformasies, klassifikasie.

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