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Ophthalmosaurus
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
Cando viviu?
Como era de grande?
Canto medía de longo?
Canto pesaba?
tan longo coma 4 cans do fociño á cola🍌tan longo coma 22 plátanos postos un tras outro🍉tan pesado coma 190 sandías🧸tan pesado coma 50 nenos de infantil🎒tan pesado coma 30 nenos de primaria🐻❄️tan pesado coma 2 osos polares🏊podería nadar o longo dunha piscina grande (50 m) en 4 segundosComo era de grande Ophthalmosaurus comparado CONTIGO?
Só son contas no teu navegador. Non se garda nin se envía nada.
Que velocidade alcanzaba?
Datos curiosos
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
Cazamitos
Mito: Ophthalmosaurus was a dinosaur that lived in the water.
Verdade: Ophthalmosaurus was an ichthyosaur, a marine reptile, not a dinosaur. Ichthyosaurs were a different group of reptiles that lived in the oceans.1
Para expertos en dinos
- Nome científico
- Ophthalmosaurus
- Bautizado por
- Seeley 18742
- Grupo
- Ictiosauros
- Familia / clado
- Ophthalmosauridae2
- Clasificación
- Ichthyosauria > Ichthyosauromorpha2
- Idade das rochas
- de 201 a 133 millóns de anos (Hettangian / Valanginian)2
- Formacións rochosas
- Oxford Clay, Sundance, Vaca Muerta2
- Países
- Reino Unido, Arxentina, EUA, Rusia, Francia, Groenlandia2
- Rexistros fósiles
- 27 na Paleobiology Database2
- Tamén coñecido como
- Ancanamunia, Yasykovia (nomes antigos que agora contan como o mesmo animal)2
- Descubrimento
- 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.12
- Aínda en debate
- Scientists still debate whether some species, like Ophthalmosaurus natans from North America, are really separate species or just close relatives.1
De onde veñen os datos
- Ophthalmosaurus (en.wikipedia.org)
- Ophthalmosaurus in The Paleobiology Database (CC BY 4.0): idade, lugares, formacións rochosas, clasificación.
Cada dato desta páxina ten un número que leva á súa fonte. Se nos equivocamos nalgo, sentímolo, somos fans dos dinos, non unha revista científica. Escríbenos a [email protected] e arranxámolo.
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