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Spotprent van Plesiosaurus
Dinokaart nr. 1451 van 2 027

Plesiosaurus

Naam beteken: “near reptile”1
Het geëet: VleisPlesiosourusseLaat Trias tot Laat KrytTegnies nie 'n dinosourus nie

Plesiosaurus was a marine reptile that swam in the oceans while dinosaurs lived on land. It had a long neck, a small head, and four flipper-like limbs to push through the water. It was about 3.5 metres long and ate small prey like fish and crustaceans.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
206 tot 66 miljoen jaar gelede5
Laat Trias tot Laat Kryt
Fossiele gevind in
Fossils have been found in the United Kingdom, especially along the Jurassic Coast, and also in France, the USA, Belgium, New Zealand, and South Africa.12
Lengte
3,5 m (11 ft)1
Topspoed
omtrent 29 km/h (18 mph)
Swem, skatting

Wanneer het dit geleef?

Trias
Jura
Kryt
252 miljoen jaar gelede20114566, die asteroïde

Hoe groot was dit?

Hoe lank was dit?

Plesiosaurus omtrent 3,5 m lank (11 ft)'n Grootmensfiets omtrent 1,8 m (5,9 ft)'n Motor omtrent 4,5 m (15 ft)'n Olifant, die grootste landdier vandag omtrent 6,5 m (21 ft)
so lank soos 4 honde van neus tot stertso lank soos 19 piesangs punt aan puntkon die lengte van 'n groot swembad (50 m) in 6,2 sekondes swem

Hoe groot was Plesiosaurus vergeleke met JOU?

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

Hoe vinnig was dit?

cool goed

Prettige feite

1

Plesiosaurus was named in 1821 by William Conybeare and Henry Thomas De la Beche, and the name means 'near reptile'.1

2

Mary Anning discovered an almost complete Plesiosaurus skeleton in 1823, which helped scientists understand what these animals looked like.1

3

Plesiosaurs swam with four flipper-like limbs, and experiments with robot flippers showed they could generate 60% more thrust from their back flipper by timing both limbs carefully.1

4

Plesiosaurs were unable to return to land, so they likely gave birth to live young in the open water, as supported by a preserved foetus in a related species.1

5

Plesiosaurs survived for more than 140 million years, making it through multiple extinctions that wiped out other groups.1

6

Some plesiosaurs swallowed stones that stayed in their stomachs, possibly to help break up food or to help with buoyancy.1

Deur KI gemaakKI-prent van Plesiosaurus
'n KI-prent van hoe Plesiosaurus 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 Plesiosaurus

?Is Plesiosaurus a dinosaur?

No, it is a marine reptile that lived in the oceans while dinosaurs lived on land. It is only distantly related to dinosaurs.1

?How big was Plesiosaurus?

It was about 3.5 metres (11 feet) long.31

?What did Plesiosaurus eat?

It ate small prey like fish and crustaceans.1

?When did Plesiosaurus live?

It lived during the Early Jurassic, about 203 to 174 million years ago.3

?Who discovered Plesiosaurus?

Mary Anning discovered the first complete skeleton in 1823 near Lyme Regis, England.31

?Did Plesiosaurus have live babies?

Yes, it gave birth to live young in the water. A fossil of a related species shows a single large baby inside its mother.14

?Could Plesiosaurus go on land?

No, it was fully adapted to life in the water and could not return to land.1

Mite-breker

Mite: Plesiosaurs are often thought to be dinosaurs, especially because they lived at the same time.

Waarheid: Plesiosaurs are marine reptiles and are only distantly related to dinosaurs, which lived on land.1

Vir dino-kenners

Wetenskaplike naam
Plesiosaurus
Benoem deur
de la Beche and Conybeare 18215
Groep
Plesiosourusse
Familie / klade
Plesiosauroidea5
Klassifikasie
Plesiosauria > Sauropterygia5
Ouderdom van die rotse
206 tot 66 miljoen jaar (Rhaetian / Maastrichtian)5
Rotsformasies
Kimmeridge Clay, Charmouth Mudstone, Westbury5
Lande
Verenigde Koninkryk, Frankryk, VSA, België, Nieu-Seeland, Suid-Afrika5
Fossielrekords
55 in The Paleobiology Database5
Ontdekking
Plesiosaurus was named in 1821 by William Conybeare and Henry Thomas De la Beche, and Mary Anning discovered an almost complete skeleton in 1823.1
Steeds omstrede
Scientists still debate how plesiosaurs used their four flippers to swim, and whether the stones they swallowed helped with digestion or buoyancy.1

Waar die feite vandaan kom

  1. What is a plesiosaur? The prehistoric sea creatures that inspired the Loch Ness Monster | Natural History Museum (nhm.ac.uk)
  2. PBDB Taxon (paleobiodb.org)
  3. Plesiosaurus (Wikipedia) (Wikipedia)
  4. Plesiosaur (en.wikipedia.org)
  5. Plesiosaurus in The Paleobiology Database (CC BY 4.0): ouderdom, plekke, rotsformasies, klassifikasie.

Elke feit op hierdie bladsy het 'n nommer wat na sy bron wys. As ons iets verkeerd het, jammer, ons is dino-aanhangers, nie 'n wetenskapjoernaal nie. Laat weet ons by [email protected] en ons maak dit reg.

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