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Ophthalmosaurus

Hiika maqaa: “eye lizard”1

Kan nyaate: FoonIkteyoosarootaJuraasikii Jalqabaa hanga Kireetaashasii JalqabaaSeera saayinsiitiin daayinoosarii miti

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

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 201 hanga 133 dura2

Juraasikii Jalqabaa hanga Kireetaashasii Jalqabaa

Fosiliiwwan kan itti argaman

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

Dheerina

4 m (13 ft)1

Ulfaatina

930 kg hanga 950 kg (2,100 hanga 2,100 lb)1

Saffisa ol'aanaa

gara 45 km/sa'a (28 mph)

Daakuu, tilmaama

Yoom jiraate?

Tiraayaasikii

Juraasikii

Kireetaashasii

waggaa miliyoona 252 dura20114566, asteerooyidii

Hammam guddaa ture?

Hammam dheeraa ture?

Hammam ulfaataa ture?

akka saree 48 ulfaata

akka saree 4 funyaan hanga eegeetti dheeraaakka muuzii 22 walitti hiriiran dheeraaakka habxuu 190 ulfaataakka ijoollee KG 50 ulfaataakka ijoollee mana barumsaa 30 ulfaataakka beeraa adii 2 ulfaatadheerina bishaan daakaa guddaa (50 m) sekondii 4 keessatti daakuu danda'a

SI wajjin yoo wal bira qabamu, Ophthalmosaurus 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)

Ophthalmosaurus gara 45 km/sa'a (28 mph)

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

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

wantoota bareedoo

Odeeffannoowwan bashannansiisoo

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

Fakkii AI'n hojjetame: Ophthalmosaurus — Fakkii AI'n hojjetame kan Ophthalmosaurus 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.

Seenaa sobaa diigaa

Seenaa sobaa: Ophthalmosaurus was a dinosaur that lived in the water.

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

Ogeeyyii daayinootiif

Maqaa saayinsii: Ophthalmosaurus
Kan maqaa baase: Seeley 18742
Garee: Ikteyoosaroota
Maatii / kilaadii: Ophthalmosauridae2
Ramaddii: Ichthyosauria > Ichthyosauromorpha2
Umurii dhagaawwanii: waggaa miliyoona 201 hanga 133 (Hettangian / Valanginian)2
Caasaawwan dhagaa: Oxford Clay, Sundance, Vaca Muerta2
Biyyoota: Biriteen, Arjentiinaa, Ameerikaa, Raashiyaa, Faransaay, Giriinlaandii2
Galmee fosilii: 27 The Paleobiology Database keessa2
Maqaan biraa: Ancanamunia, Yasykovia (maqaawwan durii amma akka bineensa tokkootti lakkaa'amu)2
Argannoo: 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
Ammallee falmisiisaa: Scientists still debate whether some species, like Ophthalmosaurus natans from North America, are really separate species or just close relatives.1

Odeeffannoon eessaa dhufa

Ophthalmosaurus (en.wikipedia.org)
Ophthalmosaurus in The Paleobiology Database (CC BY 4.0): umurii, bakkeewwan, caasaawwan dhagaa, ramaddii.

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