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Spotprent van Acamptonectes
Dinokaart nr. 0012 van 2 027

Acamptonectes

Naam beteken: “stiff swimmer”1
Het geëet: VleisIgtiosourusseVroeë KrytTegnies nie 'n dinosourus nie

Acamptonectes was a fast-swimming marine reptile that lived in the Early Cretaceous seas. It had a stiff body and large eyes, perfect for hunting fish and squid in the deep ocean.12

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
133 tot 126 miljoen jaar gelede3
Vroeë Kryt
Fossiele gevind in
England (Speeton Clay Formation) and Germany13
Lengte
3 m (9,8 ft)1
Topspoed
omtrent 48 km/h (30 mph)
Swem, skatting

Wanneer het dit geleef?

Trias
Jura
Kryt
252 miljoen jaar gelede20114566, die asteroïde

Hoe groot was dit?

Hoe lank was dit?

Acamptonectes omtrent 3 m lank (9,8 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 3 honde van neus tot stertso lank soos 17 piesangs punt aan puntkon die lengte van 'n groot swembad (50 m) in 3,8 sekondes swem

Hoe groot was Acamptonectes 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

Acamptonectes belongs to a group called ophthalmosaurids, which had very large eyes for seeing in dark, deep water.12

2

Its name means 'stiff swimmer' because its body was unusually rigid, helping it move fast through the water.1

3

Acamptonectes lived about 133 to 129 million years ago, during the Hauterivian stage of the Early Cretaceous.1

4

Scientists once thought most ichthyosaurs died out at the end of the Jurassic, but Acamptonectes shows they survived and thrived into the Cretaceous.21

5

The first Acamptonectes fossil was found in 1958 by geology students near Speeton, England, but it was not named until 2012.21

6

Its teeth had tiny ridges along the length, which helped it grip slippery prey like fish and squid.1

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

?Was Acamptonectes a dinosaur?

No, it was a marine reptile called an ichthyosaur, not a dinosaur.1

?How big was Acamptonectes?

It was about 3 metres (9.8 feet) long.1

?What did Acamptonectes eat?

It likely ate soft, fleshy prey like fish and squid, using its slender ridged teeth to impale them.1

?Why did Acamptonectes have a stiff body?

Its stiff body helped it swim fast like a tuna by making it more streamlined in the water.1

Mite-breker

Mite: Many people think all ichthyosaurs went extinct at the end of the Jurassic.

Waarheid: Acamptonectes and other ophthalmosaurids lived well into the Cretaceous, showing no mass extinction at that time.21

Vir dino-kenners

Wetenskaplike naam
Acamptonectes
Benoem deur
Fischer et al. 20123
Groep
Igtiosourusse
Familie / klade
Ophthalmosauridae3
Klassifikasie
Ichthyosauria > Ichthyosauromorpha3
Ouderdom van die rotse
133 tot 126 miljoen jaar (Hauterivian)3
Rotsformasies
Speeton Clay3
Lande
Verenigde Koninkryk, Duitsland3
Fossielrekords
3 in The Paleobiology Database3
Ontdekking
Acamptonectes was named in 2012 by a team of scientists including V. Fischer, M. W. Maisch, and D. Naish. The first specimen was collected in 1958 by geology students in Speeton, England, but it took decades to study and describe.23
Steeds omstrede
Scientists are still debating whether Acamptonectes had a different diet or lifestyle from other Cretaceous ichthyosaurs because of its unusual shallow snout and tooth shape.1

Waar die feite vandaan kom

  1. Acamptonectes (en.wikipedia.org)
  2. New Ophthalmosaurid Ichthyosaurs from the European Lower Cretaceous Demonstrate Extensive Ichthyosaur Survival across the Jurassic, Cretaceous Boundary (pmc.ncbi.nlm.nih.gov)
  3. Acamptonectes 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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