Carta da dino nr. 1363 da 2 027

Pantosaurus

Il num vul dir: “all lizard”1

Mangiava: CharnPlesiosaursGiurassic tardivTecnicamain betg in dinosaur

Pantosaurus was a long-necked marine reptile that swam in a shallow sea that once covered part of North America. It was not a dinosaur, but a plesiosaur, a type of ocean predator. It used its four flippers to glide through the water and catch fish and other prey.1 2

Fatg divertent: quest reptil da mar nudava, entant ch'ils dinosaurs chaminavan sin terra. Tuts als numnan dinos, ma els eran in'autra rama dals reptils.

Viveva

avant 162 fin 155 milliuns onns4

Giurassic tardiv

Fossils chattads en

Wyoming, USA, in the Sundance Formation1 3

Spertadad maximala

var 27 km/h (17 mph)

Nudar, stima

Cura viveva el?

Triassic

Giurassic

Cretacic

avant 252 milliuns onns20114566, l'asteroid

Quant spert era el?

Ina persuna che va a pe var 5 km/h (3 mph)

In uffant sin il velo var 12 km/h (7 mph)

Pantosaurus var 27 km/h (17 mph)

In chaval che galoppescha var 65 km/h (40 mph)

In gepard var 100 km/h (62 mph)

chaussas cool

Fatgs divertents

Pantosaurus had a very long neck with between 35 and 40 neck bones, called cervical vertebrae. These bones were almost as long as they were wide, which helped make the neck flexible.3

The name Pantosaurus was originally 'Parasaurus', but that name was already used for another animal, so scientists changed it.1

Pantosaurus lived in the Sundance Sea, a shallow ocean that covered parts of Wyoming millions of years ago.1

Scientists think Pantosaurus might have given birth to live young, not laid eggs, because it lived in the water.2

The front flippers of Pantosaurus were special: the radius bone was much longer and broader than the ulna, which helped it steer in the water.3

A fossil of a baby ichthyosaur (a different marine reptile) was found inside a Pantosaurus stomach, showing it ate other marine reptiles.1

Maletg da Pantosaurus fatg cun IA — In maletg fatg cun IA che mussa co Pantosaurus pudess avair guardà ora, fatg d'in computer tenor quai che la scienza sa. I sa tracta d'ina supposiziun: l'animal vair ha forsa guardà ora auter, e sias colurs vairas èn nunenconuschentas.

tias dumondas

Las dumondas las pli frequentas davart Pantosaurus

?What did Pantosaurus eat?

Pantosaurus ate fish and other marine reptiles. A fossil of a baby ichthyosaur was found inside a Pantosaurus stomach, showing it ate ichthyosaurs.1 3

?How big was Pantosaurus?

Pantosaurus was a small plesiosaur, but its exact size is not known from the sources. It had a very long neck with 35 to 40 neck bones.1 3

?When did Pantosaurus live?

Pantosaurus lived during the Late Jurassic period, about 163 to 157 million years ago.1 4

?Was Pantosaurus a dinosaur?

No, Pantosaurus was not a dinosaur. It was a plesiosaur, a type of marine reptile that lived in the ocean.1

Chatschader da mitus

Mitus: Some people think Pantosaurus was a dinosaur because it lived in the same time as dinosaurs.

Vardad: Pantosaurus was a plesiosaur, a marine reptile, not a dinosaur. Dinosaurs lived on land, while Pantosaurus swam in the sea.1

Per experts da dinos

Num scientific: Pantosaurus
Numnà da: Marsh 18934
Gruppa: Plesiosaurs
Famiglia / clada: Cryptoclididae4
Classificaziun: Plesiosauria > Sauropterygia4
Vegliadetgna da la crappa: 162 fin 155 milliuns onns (Oxfordian)4
Formaziuns da crap: Sundance4
Pajais: USA4
Chats da fossils: 6 en The Paleobiology Database4
Era enconuschent sco: Parasaurus (nums pli vegls che valan ussa sco il medem animal)4
Scuverta: Pantosaurus was first found in Wyoming in the late 1800s by Othniel Charles Marsh. He named it Parasaurus in 1891, but changed the name to Pantosaurus in 1893 because the old name was already taken.1 3
Anc discutà: Scientists still debate whether some fossils belong to Pantosaurus or to another similar plesiosaur, because the skull is not known.3

Danunder che vegnan ils fatgs

Pantosaurus (en.wikipedia.org)
PBDB Taxon (paleobiodb.org)
Current Taxonomic Status of the Plesiosaur Pantasaurus Striatus from the Upper Jurassic Sundance Formation, Wyoming (mds.marshall.edu)
Pantosaurus in The Paleobiology Database (CC BY 4.0): vegliadetgna, lieus, formaziuns da crap, classificaziun.

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