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Styxosaurus

Hiika maqaa: “river of the dead lizard”1

Kan nyaate: FoonPileesiyoosarootaKireetaashasii DhumaaSeera saayinsiitiin daayinoosarii miti

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

Odeeffannoo bashannansiisaa: harkifataan galaanaa kun yeroo daayinoosarootni lafa irra deemaa turan daakaa ture. Namni hundi daayinoo jedhee isaan waama, garuu damee harkifattootaa adda ta'e turan.

Kan jiraate

waggaa miliyoona 90 hanga 72 dura5

Kireetaashasii Dhumaa

Fosiliiwwan kan itti argaman

Kansas, South Dakota, Nebraska, and Wyoming, USA2

Dheerina

5 hanga 7 m (16 hanga 23 ft)2

Ulfaatina

3.1 toonii (6,800 lb)3

Saffisa ol'aanaa

gara 24 km/sa'a (15 mph)

Daakuu, tilmaama

Yoom jiraate?

Tiraayaasikii

Juraasikii

Kireetaashasii

waggaa miliyoona 252 dura20114566, asteerooyidii

Hammam guddaa ture?

Hammam dheeraa ture?

Hammam ulfaataa ture?

akka konkolaataa 2 ulfaata

akka saree 7 funyaan hanga eegeetti dheeraaakka muuzii 39 walitti hiriiran dheeraaakka saree 160 ulfaataakka habxuu 620 ulfaataakka kutaalee mana barumsaa guutuu 4 ulfaataakka beeraa adii 7 ulfaatadheerina bishaan daakaa guddaa (50 m) sekondii 7.5 keessatti daakuu danda'a

SI wajjin yoo wal bira qabamu, Styxosaurus hammam guddaa ture?

Herrega qofa barbaadduu kee keessatti. Wanti tokkollee hin olkaa'amu, eessayyuu hin ergamu.

Hammam saffisaa ture?

Nama miilaan deemu gara 5 km/sa'a (3 mph)

Daa'ima saayikilii irra jiru gara 12 km/sa'a (7 mph)

Styxosaurus gara 24 km/sa'a (15 mph)

Farda gulufu gara 65 km/sa'a (40 mph)

Cheetaa gara 100 km/sa'a (62 mph)

wantoota bareedoo

Odeeffannoowwan bashannansiisoo

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

Fakkii AI'n hojjetame: Styxosaurus — Fakkii AI'n hojjetame kan Styxosaurus maal fakkaachuu akka danda'u agarsiisu, kompiitaraan beekumsa saayintistootaa irratti hundaa'uun hojjetame. Tilmaama qofa: bineensi dhugaa adda ta'ee mul'achuu danda'a, halluu isaa dhugaa immoo namni beeku hin jiru.

ati gaafatte

Gaaffiiwwan waa'ee Styxosaurus baay'ee gaafataman

?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

Ogeeyyii daayinootiif

Maqaa saayinsii: Styxosaurus
Kan maqaa baase: Welles 19435
Garee: Pileesiyoosaroota
Maatii / kilaadii: Elasmosauridae5
Ramaddii: Plesiosauria > Elasmosauridae > Sauropterygia5
Umurii dhagaawwanii: waggaa miliyoona 90 hanga 72 (Coniacian / Campanian)5
Caasaawwan dhagaa: Pierre Shale, Niobrara5
Biyyoota: Ameerikaa5
Galmee fosilii: 8 The Paleobiology Database keessa5
Maqaan biraa: Hydralmosaurus (maqaawwan durii amma akka bineensa tokkootti lakkaa'amu)5
Ammallee falmisiisaa: Scientists are still debating exactly how many species of Styxosaurus existed, and whether some fossils belong to this genus or to other elasmosaurids.2

Odeeffannoon eessaa dhufa

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): umurii, bakkeewwan, caasaawwan dhagaa, ramaddii.

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