Dinokaart nr. 1478 van 2 027

Prosantosaurus

Naam beteken: “Prosanto lizard, named after the Prosanto Formation where it was found”1

Het geëet: VleisSeereptieleMiddel-TriasTegnies nie 'n dinosourus nie

Prosantosaurus was a small, lizard-like marine reptile that swam in the warm seas of the Middle Triassic, about 241 million years ago. It had a long body and tail, and probably hunted small fish and crustaceans. It was not a dinosaur, but a relative of plesiosaurs.1 3

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

241 tot 239 miljoen jaar gelede3

Middel-Trias

Fossiele gevind in

Ducanfurgga locality, near Davos, Canton of Grisons, eastern Switzerland1 3

Lengte

0,5 m (1,6 ft)1

Topspoed

omtrent 4 km/h (2 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 3 piesangs punt aan puntso lank soos 16 speelgoedboustene in 'n rykon die lengte van 'n groot swembad (50 m) in 45 sekondes swem

Hoe groot was Prosantosaurus vergeleke met JOU?

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

Hoe vinnig was dit?

Prosantosaurus omtrent 4 km/h (2 mph)

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

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

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

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

cool goed

Prettige feite

Prosantosaurus could regrow its teeth if they broke off. This was seen for the first time in a European pachypleurosaur.1

Its teeth were less pointed and broader at the base compared to other pachypleurosaurs.1

The fossils were found at about 2700 metres above sea level in the Swiss Alps, but back then this area was covered by the Tethys Ocean.1

Six nearly complete skeletons and an isolated skull were discovered, which is a lot for such an ancient marine reptile.2

Prosantosaurus lived about 241 million years ago, during the early Ladinian stage of the Middle Triassic.1 2

It is the sister taxon to a group that includes Serpianosaurus, Proneusticosaurus, and Neusticosaurus species.2

KI-prent van Prosantosaurus — 'n KI-prent van hoe Prosantosaurus 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.

Mite-breker

Mite: Some people might think Prosantosaurus was a dinosaur because it lived in the Triassic and looked like a small reptile.

Waarheid: Prosantosaurus was a marine reptile called a pachypleurosaur, part of the group Sauropterygia, which is not dinosaurs. Dinosaurs were land reptiles with a different hip structure.1 3

Vir dino-kenners

Wetenskaplike naam: Prosantosaurus
Benoem deur: Klein et al. 20223
Groep: Seereptiele
Familie / klade: Pachypleurosauria3
Klassifikasie: Sauropterygia3
Ouderdom van die rotse: 241 tot 239 miljoen jaar (Ladinian)3
Rotsformasies: Prosanto3
Lande: Switserland3
Fossielrekords: 1 in The Paleobiology Database3
Ontdekking: Prosantosaurus was named in 2022 by Nicole Klein and colleagues from skeletons found in the Prosanto Formation in Switzerland. The species name scheffoldi honours Beat Scheffold, a scientific illustrator who helped with the research.1 3
Steeds omstrede: Scientists are still debating how pachypleurosaurs migrated across the Tethys Ocean, and whether Prosantosaurus's tooth replacement pattern is unique among European pachypleurosaurs.2

Waar die feite vandaan kom

Prosantosaurus (en.wikipedia.org)
A new pachypleurosaur from the Early Ladinian Prosanto Formation in the Eastern Alps of Switzerland (zora.uzh.ch)
Prosantosaurus in The Paleobiology Database (CC BY 4.0): ouderdom, plekke, rotsformasies, klassifikasie.

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