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Stenopterygius
Stenopterygius was a fast-swimming marine reptile that lived in the Jurassic seas. It looked a bit like a dolphin but was actually an ichthyosaur, not a dinosaur. It had a long beak full of teeth and chased after fish and squid.1
Wanneer het dit geleef?
Hoe groot was dit?
Hoe lank was dit?
so lank soos 4 honde van neus tot stert🍌so lank soos 22 piesangs punt aan punt🏊kon die lengte van 'n groot swembad (50 m) in 3,8 sekondes swemHoe groot was Stenopterygius vergeleke met JOU?
Net wiskunde in jou blaaier. Niks word gestoor of êrens heen gestuur nie.
Hoe vinnig was dit?
Prettige feite
Stenopterygius had a small skull and narrow flippers compared to its relative Ichthyosaurus.1
One well-preserved fossil shows traces of skin, revealing that Stenopterygius was countershaded: darker on the back and lighter on the belly.1
Fossils of Stenopterygius often contain the remains of its last meal in the stomach area.1
The tail ended in a large, semicircular, leathery vertical fin, and it also had a triangular dorsal fin on its back.1
Stenopterygius lived during the Early and Middle Jurassic, about 183 to 173 million years ago.1
The type specimen of Stenopterygius quadriscissus is a complete skeleton that even preserved a very large embryo inside.1
Mees gevraagde vrae oor Stenopterygius
?How big was Stenopterygius?
Stenopterygius was a medium sized ichthyosaur, with most species reaching about 3.5 metres long, while the largest, S. uniter, could exceed 4 metres.1
?What did Stenopterygius eat?
Stenopterygius hunted fish, cephalopods, and other animals in the open sea. Fossils often contain the remains of its last meal in the stomach area.1
?Was Stenopterygius a dinosaur?
No, Stenopterygius was an ichthyosaur, a marine reptile, not a dinosaur. It looked a bit like a dolphin but was actually a different group of reptiles.1
?Did Stenopterygius give birth to live young?
Yes, Stenopterygius gave birth to live young, and one famous fossil shows a mother that died in childbirth. It preferred tail-first births, like modern dolphins and whales.1
Vir dino-kenners
- Wetenskaplike naam
- Stenopterygius
- Benoem deur
- Jaekel 19043
- Groep
- Igtiosourusse
- Familie / klade
- Thunnosauria3
- Klassifikasie
- Ichthyosauria > Ichthyosauromorpha3
- Ouderdom van die rotse
- 184 tot 171 miljoen jaar (Toarcian / Aalenian)3
- Rotsformasies
- Posidonia Shale, Opalinuston, Beacon Limstone3
- Lande
- Duitsland, Verenigde Koninkryk, Luxemburg, Frankryk3
- Fossielrekords
- 47 in The Paleobiology Database3
- Ontdekking
- The species was first named as Ichthyosaurus quadriscissus by Quenstedt in 1856. Otto Jaekel gave it its own genus, Stenopterygius, in 1904.1
- Steeds omstrede
- Scientists are still debating exactly how many species of Stenopterygius existed, because the fossils are often incomplete.2
Waar die feite vandaan kom
- Stenopterygius (en.wikipedia.org)
- First Diagnostic Marine Reptile Remains from the Aalenian (Middle Jurassic): A New Ichthyosaur from Southwestern Germany | PLOS One (journals.plos.org)
- Stenopterygius in The Paleobiology Database (CC BY 4.0): ouderdom, plekke, rotsformasies, klassifikasie.
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