Carta da dino nr. 1723 da 2 027

Styxosaurus

Il num vul dir: “river of the dead lizard”1

Mangiava: CharnPlesiosaursCretacic tardivTecnicamain betg in dinosaur

Styxosaurus was a long-necked marine reptile that swam in the shallow seas that once covered North America. It was not a dinosaur, but a plesiosaur, and it used its sharp teeth to catch fish and squid.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 90 fin 72 milliuns onns5

Cretacic tardiv

Fossils chattads en

Kansas, South Dakota, Nebraska, and Wyoming, USA2

Lunghezza

5 fin 7 m (16 fin 23 ft)2

Paisa

3,1 tonnas (6 800 lb)3

Spertadad maximala

var 24 km/h (15 mph)

Nudar, stima

Cura viveva el?

Triassic

Giurassic

Cretacic

avant 252 milliuns onns20114566, l'asteroid

Quant grond era el?

Quant lung era el?

Quant grev era el?

uschè grev sco 2 autos

uschè lung sco 7 chauns dal nas a la cuauschè lung sco 39 bananas ina suenter l'autrauschè grev sco 160 chaunsuschè grev sco 620 melunasuschè grev sco 4 classas da scola entirasuschè grev sco 7 urs polarspudess nudar la lunghezza d'ina gronda piscina (50 m) en 7,5 secundas

Quant grond era Styxosaurus cumpareglià cun TAI?

Mo matematica en tes navigatur. Nagut na vegn arcunà u tramess.

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)

Styxosaurus var 24 km/h (15 mph)

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

In gepard var 100 km/h (62 mph)

chaussas cool

Fatgs divertents

Styxosaurus had an extremely long neck, with over 60 vertebrae, making it one of the longest necks of any animal that ever lived.2

It lived in the Western Interior Seaway, a huge inland sea that split North America in two during the time of the dinosaurs.2

Some fossils of Styxosaurus were once thought to belong to a different animal called Hydralmosaurus, but scientists now think they are the same.2

Maletg da Styxosaurus fatg cun IA — In maletg fatg cun IA che mussa co Styxosaurus 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 Styxosaurus

?How big was Styxosaurus?

About 11.3 metres (37 ft) long and weighed around 3.1 metric tons (3.4 short tons). Its neck alone was about 5.25 metres (17.2 ft) long.4

?What did Styxosaurus eat?

It ate fish, squid, and belemnites. It grabbed slippery prey with its sharp, interlocking teeth and swallowed it whole.4

?When did Styxosaurus live?

It lived during the Late Cretaceous period, about 100 to 72 million years ago.4 5

?Did Styxosaurus have a long neck?

Yes, it had an extremely long neck with over 60 vertebrae, making it one of the longest necks of any animal.4 2

?Is Styxosaurus a dinosaur?

No, it is a plesiosaur, a marine reptile that lived in the sea, not a dinosaur.4

?Where was Styxosaurus found?

Fossils have been found in North America, mainly in Kansas, South Dakota, Nebraska, and Wyoming, in rocks that were once the bottom of a shallow sea.4 5

Per experts da dinos

Num scientific: Styxosaurus
Numnà da: Welles 19435
Gruppa: Plesiosaurs
Famiglia / clada: Elasmosauridae5
Classificaziun: Plesiosauria > Elasmosauridae > Sauropterygia5
Vegliadetgna da la crappa: 90 fin 72 milliuns onns (Coniacian / Campanian)5
Formaziuns da crap: Pierre Shale, Niobrara5
Pajais: USA5
Chats da fossils: 8 en The Paleobiology Database5
Era enconuschent sco: Hydralmosaurus (nums pli vegls che valan ussa sco il medem animal)5
Anc discutà: Scientists are still debating exactly how many species of Styxosaurus existed, and whether some fossils belong to this genus or to other elasmosaurids.2

Danunder che vegnan ils fatgs

PBDB Taxon (paleobiodb.org)
Taxonomic reassessment of Hydralmosaurus as Styxosaurus : new insights on the elasmosaurid neck evolution throughout the Cretaceous (pmc.ncbi.nlm.nih.gov)
Styxosaurus (en.wikipedia.org)
Styxosaurus (en.wikipedia.org)
Styxosaurus in The Paleobiology Database (CC BY 4.0): vegliadetgna, lieus, formaziuns da crap, classificaziun.

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