Kartu dino No. 1316 ci 2 027

Opisthocoelicaudia

Tur bi mooy: “posterior cavity tail”1

Lekkoon: GàncaxBaat yu guddKretase bu mujj

Opisthocoelicaudia was a big, long-necked plant eater that lived in the Late Cretaceous. It had a barrel-shaped body and four thick legs, like an elephant. Scientists found a nearly complete skeleton without the head and neck, so they know a lot about its body.1

Dundoon

am na 72 ba 66 milyoŋ at4

Kretase bu mujj

Fosil yu ñu gis ci

Gobi Desert, Mongolia1 4

Guddaay

11,4 ba 13 m (37 ba 43 ft)1

Diisaay

8,4 toon ba 25,4 toon (18 500 ba 56 000 lb)1

Kawewaay

2,46 m (8,1 ft)1

Gaawaay bi gën a kawe

lu tollu ci 13 km/h (8 mph)

Daw, jortu

Kañ la dundoon?

Triyaas

Jurasik

Kretase

Am na 252 milyoŋ at20114566, asteroyid bi

Naka la réyoon?

Naka la guddoon?

Naka la kawewoon?

Naka la diisoon?

diis ni 4 ñey

gudd ni 3 oto yu ñu taxawal ci benn rëddgudd ni 72 banaana yu ñu topp-toppalediis ni 17 otodiis ni 5100 xaaldiis ni 32 klaas yu mat yu xale yu lekkooldiis ni 56 uurs yu weexmënoon na daw 100 meetar ci 28 segond (nit ki gën a gaaw dafay soxla 9,6)

Naka la Opisthocoelicaudia 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)

Opisthocoelicaudia lu tollu ci 13 km/h (8 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

Its tail vertebrae were shaped like ball-and-socket joints, which is unusual and gives it the name 'posterior cavity tail'.1

The skeleton had tooth marks from big meat-eating dinosaurs, which probably ate the carcass and carried away the head and neck.1

It could probably rear up on its hind legs to reach higher food, because its tail was strong and could act like a tripod.1 2

Its back vertebrae had split spines, creating a double row of bumps along its spine, a feature also seen in Diplodocus.1

It had six hip vertebrae, one more than most sauropods, which made its hips extra strong.1

The neck was about 5 meters (16 feet) long, which is medium for a sauropod.1

Nataalu Opisthocoelicaudia bu ñu def ak IA — Nataal bu IA def la, muy wone ni Opisthocoelicaudia 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 Opisthocoelicaudia

?How big was Opisthocoelicaudia?

It was a relatively small sauropod, measuring about 11.4 to 13 metres (37 to 43 feet) long. Its body mass has been estimated at between 8.4 and 25.4 tonnes in different studies.1

?What did Opisthocoelicaudia eat?

Like other sauropods, it was a herbivore that ate plants. It probably fed on a variety of vegetation in its floodplain and riverine environment.3

?When did Opisthocoelicaudia live?

It lived during the Late Cretaceous Period, specifically in the ?Upper Campanian or Lower Maastrichtian, about 72 to 66 million years ago.1 2

?Where was Opisthocoelicaudia found?

Its fossils were discovered in the Gobi Desert of Mongolia, in the Nemegt Formation. The type specimen was found at Altan Uul in Ömnögovi Province.1

?Could Opisthocoelicaudia rear up on its hind legs?

Yes, scientists think it could rear up on its hind legs to reach higher food. Its strong tail could act like a tripod to support its weight.1

?Is Opisthocoelicaudia a dinosaur?

Yes, it is a sauropod dinosaur. It belongs to the group Titanosauria and lived during the Late Cretaceous.1

Ku tas léeb yu dul dëgg

Léeb: Some people think Opisthocoelicaudia was a kind of camarasaur, but scientists now know it was a titanosaur.

Dëgg: It was first classified as a camarasaurid, but later studies placed it in Titanosauria, a group of sauropods.1

Ngir ñi xam dino lool

Turu xam-xam: Opisthocoelicaudia
Ku ko tudde: Borsuk-Bialynicka 19774
Kurél: Baat yu gudd
Njaboot / klad: Saltasauridae4
Klasifikasiyoŋ: Sauropodomorpha > Sauropoda > Titanosauria > Macronaria4
Màggaayu doj yi: 72 ba 66 milyoŋ at (Maastrichtian)4
Formasiyoŋi doj: Nemegt4
Réew yi: Mongoli4
Fosil yu ñu gis: 1 ci The Paleobiology Database4
Gisees: It was discovered in 1965 by a Polish-Mongolian expedition in the Gobi Desert. Polish paleontologist Maria Magdalena Borsuk-Białynicka named it in 1977.1 2
Ñu ngi koy werante ba tey: Scientists debate whether Opisthocoelicaudia and Nemegtosaurus are actually the same species, because only the skull of Nemegtosaurus is known and Opisthocoelicaudia lacks a skull.1

Fa xibaar yi jóge

Opisthocoelicaudia (en.wikipedia.org)
A NEW CAMARASAURID SAUROPOD OPISTHOCOELICAUDIA SKARZYNSKII GEN. N., SP. N. FROM THE UPPER CRETACEOUS OF MONGOLIA (palaeontologia.pan.pl)
Opisthocoelicaudia: a Late Cretaceous Mongolian titanosaur (en.alegsaonline.com)
Opisthocoelicaudia in The Paleobiology Database (CC BY 4.0): at, béréb yi, formasiyoŋi doj, klasifikasiyoŋ.

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