Kartu dino No. 1723 ci 2 027

Styxosaurus

Tur bi mooy: “river of the dead lizard”1

Lekkoon: YàppPlesiyosoor yiKretase bu mujjCi xam-xam, du dinosoor

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

Xibaar bu neex: reptil bu géej bii dafa daan féey ci jamono yi dinosoor yi daan dox ci suuf. Ñépp dañu leen di wooye dino, waaye beneen caru reptil lañu woon.

Dundoon

am na 90 ba 72 milyoŋ at5

Kretase bu mujj

Fosil yu ñu gis ci

Kansas, South Dakota, Nebraska, and Wyoming, USA2

Guddaay

5 ba 7 m (16 ba 23 ft)2

Diisaay

3,1 toon (6 800 lb)3

Gaawaay bi gën a kawe

lu tollu ci 24 km/h (15 mph)

Féey, jortu

Kañ la dundoon?

Triyaas

Jurasik

Kretase

Am na 252 milyoŋ at20114566, asteroyid bi

Naka la réyoon?

Naka la guddoon?

Naka la diisoon?

diis ni 2 oto

gudd ni 7 xaj, bakkan ba geengudd ni 39 banaana yu ñu topp-toppalediis ni 160 xajdiis ni 620 xaaldiis ni 4 klaas yu mat yu xale yu lekkooldiis ni 7 uurs yu weexmënoon na féey guddaayu pisin bu mag (50 m) ci 7,5 segond

Naka la Styxosaurus réyoon, bu ñu ko méngalee ak YAW?

Ay kalkil rekk ci sa navigatëer. Dara du ñu denc, dara du ñu yónne fenn.

Naka la gaawoon?

Nit kuy dox lu tollu ci 5 km/h (3 mph)

Xale bu nekk ci welo lu tollu ci 12 km/h (7 mph)

Styxosaurus lu tollu ci 24 km/h (15 mph)

Fas buy daw bu gaaw lu tollu ci 65 km/h (40 mph)

Segg bu gaaw lu tollu ci 100 km/h (62 mph)

yëf yu neex

Xibaar yu neex

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

Nataalu Styxosaurus bu ñu def ak IA — Nataal bu IA def la, muy wone ni Styxosaurus mën a meloon, ordinatëer moo ko def ci li boroom xam-xam yi xam. Jortu kese la: rab bi ci dëgg mën na meloon neneen, te kenn xamul ay kulëëram yu dëgg.

yeen a laaj

Laaj yi ñu gën a laaj ci 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

Ngir ñi xam dino lool

Turu xam-xam: Styxosaurus
Ku ko tudde: Welles 19435
Kurél: Plesiyosoor yi
Njaboot / klad: Elasmosauridae5
Klasifikasiyoŋ: Plesiosauria > Elasmosauridae > Sauropterygia5
Màggaayu doj yi: 90 ba 72 milyoŋ at (Coniacian / Campanian)5
Formasiyoŋi doj: Pierre Shale, Niobrara5
Réew yi: Amerig5
Fosil yu ñu gis: 8 ci The Paleobiology Database5
Ñu ngi koy wooye itam: Hydralmosaurus (tur yu njëkk yi, léegi ñu ngi leen jàppe ni benn rab rekk)5
Ñu ngi koy werante ba tey: Scientists are still debating exactly how many species of Styxosaurus existed, and whether some fossils belong to this genus or to other elasmosaurids.2

Fa xibaar yi jóge

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): at, béréb yi, formasiyoŋi doj, klasifikasiyoŋ.

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