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Karete ya dinosaure No. 1314 ho tse 2 027

Ophthalmosaurus

Lebitso le bolela: “eye lizard”1

E jele: NamaDiikhthiosaureJurasiki ya Pele ho isa ho Kretase ya PeleHa se dinosaure ho ya ka saense

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

Ntlha e monate: sehahabi sena sa lewatle se ne se sesa ha didinosaure di ntse di tsamaya naheng. Bohle ba di bitsa didinosaure, empa e ne e le lekala le leng la dihahabi.

E phetse

dilemo tse dimilione tse 201 ho isa ho 133 tse fetileng2

Jurasiki ya Pele ho isa ho Kretase ya Pele

Difosili di fumanwe ho

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

Bolelele

4 m (13 ft)1

Boima

930 kg ho isa ho 950 kg (2,100 ho isa ho 2,100 lb)1

Lebelo le phahameng ka ho fetisisa

e ka bang 45 km/h (28 mph)

Ho sesa, kakanyo

E phetse neng?

Triasiki

Jurasiki

Kretase

Dilemo tse dimilione tse 252 tse fetileng20114566, asteroiti

E ne e le kgolo hakae?

E ne e le telele hakae?

E ne e le boima hakae?

boima jwaloka dintja tse 48

telele jwaloka dintja tse 4 ho tloha nkong ho isa mohatlengtelele jwaloka dibanana tse 22 di behilwe ka molaboima jwaloka mahapu a 190boima jwaloka bana ba kereshe ba 50boima jwaloka bana ba sekolo ba 30boima jwaloka dibere tse tshweu tse 2e ne e ka sesa bolelele ba letamo le leholo la ho sesa (50 m) ka metsotswana e 4

Ophthalmosaurus e ne e le kgolo hakae ha e bapiswa le WENA?

Ke dipalo feela ho browser ya hao. Ha ho letho le bolokwang kapa le romelwang kae kapa kae.

E ne e le lebelo hakae?

Motho ya tsamayang ka maoto e ka bang 5 km/h (3 mph)

Ngwana a palame baesekele e ka bang 12 km/h (7 mph)

Ophthalmosaurus e ka bang 45 km/h (28 mph)

Pere e mathang ka matla e ka bang 65 km/h (40 mph)

Lengau e ka bang 100 km/h (62 mph)

dintho tse monate

Dintlha tse monate

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

Setshwantsho sa Ophthalmosaurus se entsweng ke AI — Setshwantsho se entsweng ke AI, se bontshang kamoo Ophthalmosaurus e ka beng e ne e shebahala kateng, se entswe ke khomphutha ho ya ka seo bo-ramahlale ba se tsebang. Ke ho hakanya feela: phoofolo ya nnete e ka nna ya ba e ne e shebahala ka tsela e nngwe, mme ha ho motho ya tsebang mebala ya yona ya nnete.

Mosenyi wa ditshomo

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

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

Bakeng sa ditsebi tsa didinosaure

Lebitso la saense: Ophthalmosaurus
E rehilwe ke: Seeley 18742
Sehlopha: Diikhthiosaure
Lelapa / leloko: Ophthalmosauridae2
Tlhophiso: Ichthyosauria > Ichthyosauromorpha2
Dilemo tsa mafika: dilemo tse dimilione tse 201 ho isa ho 133 (Hettangian / Valanginian)2
Dibopeho tsa mafika: Oxford Clay, Sundance, Vaca Muerta2
Dinaha: United Kingdom, Argentina, Amerika, Russia, Fora, Greenland2
Direkoto tsa difosili: 27 ho The Paleobiology Database2
E boetse e tsejwa e le: Ancanamunia, Yasykovia (mabitso a kgale jwale a balwa e le phoofolo e le nngwe)2
Ho sibollwa: 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
E sa ntse e phehwa kgang: Scientists still debate whether some species, like Ophthalmosaurus natans from North America, are really separate species or just close relatives.1

Moo dintlha di tswang teng

Ophthalmosaurus (en.wikipedia.org)
Ophthalmosaurus in The Paleobiology Database (CC BY 4.0): dilemo, dibaka, dibopeho tsa mafika, tlhophiso.

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