Kartu dino No. 1314 ci 2 027

Ophthalmosaurus

Tur bi mooy: “eye lizard”1

Lekkoon: YàppIktiyosoor yiJurasik bu jëkk ba Kretase bu jëkkCi xam-xam, du dinosoor

Ophthalmosaurus was a sleek, fast-swimming marine reptile with enormous eyes, almost as big as dinner plates. It lived in the warm seas of the Jurassic period and hunted small fish and squid. Even though it looked like a dolphin, it was actually an ichthyosaur, not a dinosaur.1

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 201 ba 133 milyoŋ at2

Jurasik bu jëkk ba Kretase bu jëkk

Fosil yu ñu gis ci

Fossils found in the United Kingdom, Argentina, the United States, Russia, France, and Greenland, including the Oxford Clay in England and the Sundance Formation in the USA.2 1

Guddaay

4 m (13 ft)1

Diisaay

930 kg ba 950 kg (2 100 ba 2 100 lb)1

Gaawaay bi gën a kawe

lu tollu ci 45 km/h (28 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 48 xaj

gudd ni 4 xaj, bakkan ba geengudd ni 22 banaana yu ñu topp-toppalediis ni 190 xaaldiis ni 50 xale yu materneldiis ni 30 xale yu lekkooldiis ni 2 uurs yu weexmënoon na féey guddaayu pisin bu mag (50 m) ci 4 segond

Naka la Ophthalmosaurus 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)

Ophthalmosaurus lu tollu ci 45 km/h (28 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

Ophthalmosaurus had eyes that measured about 22 to 23 centimetres (8.7 to 9.1 inches) across, which is bigger than a human head.1

It could dive to depths of 600 metres (2,000 feet) or more, reaching the twilight zone of the ocean, and stay underwater for about 20 minutes.1

Its tail ended in a two-lobed fin, with the lower half supported by the backbone and the upper half made only of soft tissue, helping it swim fast.1

Ophthalmosaurus had short, rounded limbs, with the front ones bigger than the back ones, which it used for steering rather than paddling.1

Fossils show it lived in shallow seas, like the Oxford Clay in England, which was only about 50 metres (160 feet) deep at the time.1

Some scientists think Ophthalmosaurus could swim at about 2 metres per second (6.6 feet per second) when chasing prey.1

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

Ku tas léeb yu dul dëgg

Léeb: Ophthalmosaurus was a dinosaur that lived in the water.

Dëgg: Ophthalmosaurus was an ichthyosaur, a marine reptile, not a dinosaur. Ichthyosaurs were a different group of reptiles that lived in the oceans.1

Ngir ñi xam dino lool

Turu xam-xam: Ophthalmosaurus
Ku ko tudde: Seeley 18742
Kurél: Iktiyosoor yi
Njaboot / klad: Ophthalmosauridae2
Klasifikasiyoŋ: Ichthyosauria > Ichthyosauromorpha2
Màggaayu doj yi: 201 ba 133 milyoŋ at (Hettangian / Valanginian)2
Formasiyoŋi doj: Oxford Clay, Sundance, Vaca Muerta2
Réew yi: Angalteer, Arsantin, Amerig, Riisi, Faraas, Groenlaand2
Fosil yu ñu gis: 27 ci The Paleobiology Database2
Ñu ngi koy wooye itam: Ancanamunia, Yasykovia (tur yu njëkk yi, léegi ñu ngi leen jàppe ni benn rab rekk)2
Gisees: Ophthalmosaurus was first described by Harry Seeley in 1874, based on fossils from the Oxford Clay in England. He focused on the shape of the collarbone bones.1 2
Ñu ngi koy werante ba tey: Scientists still debate whether some species, like Ophthalmosaurus natans from North America, are really separate species or just close relatives.1

Fa xibaar yi jóge

Ophthalmosaurus (en.wikipedia.org)
Ophthalmosaurus in The Paleobiology Database (CC BY 4.0): at, béréb yi, formasiyoŋi doj, klasifikasiyoŋ.

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