Rhomaleosaurus
Rhomaleosaurus was a giant marine reptile that swam in the seas during the Early Jurassic period, about 183 to 175 million years ago. It was one of the biggest predators in the ocean at that time, with a huge head and a long neck, and it ate other sea creatures like ichthyosaurs and ammonites.1
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Como era de grande?
Canto medía de longo?
tan longo coma 7 cans do fociño á cola🍌tan longo coma 39 plátanos postos un tras outro🏊podería nadar o longo dunha piscina grande (50 m) en 6,9 segundosComo era de grande Rhomaleosaurus comparado CONTIGO?
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Datos curiosos
Rhomaleosaurus had a very long neck compared to other pliosaurs, but still had a gigantic head, making it a mix of features from both long-necked and short-necked plesiosaurs.2
The first fossil of Rhomaleosaurus was found in 1848 in an alum quarry at Kettleness, near Whitby, England, and was kept at Mulgrave Castle for five years before being sent to Dublin.1
The skull of the holotype specimen is 88 centimeters long, and the whole animal was about 7 meters (23 feet) long.2
Rhomaleosaurus lived at the same time as the large ichthyosaur Temnodontosaurus, and both were top predators in the same ocean.1
Scientists think Rhomaleosaurus could pick up scents while underwater, helping it find prey.1

As preguntas máis frecuentes sobre Rhomaleosaurus
Para expertos en dinos
- Nome científico
- Rhomaleosaurus
- Bautizado por
- Seeley 18745
- Grupo
- Plesiosauros
- Familia / clado
- Rhomaleosauridae5
- Clasificación
- Plesiosauria > Sauropterygia5
- Idade das rochas
- de 201 a 175 millóns de anos (Hettangian / Toarcian)5
- Formacións rochosas
- Whitby Mudstone, Alum Shale, Blue Lias5
- Países
- Reino Unido5
- Rexistros fósiles
- 15 na Paleobiology Database5
- Descubrimento
- The first Rhomaleosaurus fossil was discovered in 1848 in an alum quarry at Kettleness, near Whitby, England. It was named Plesiosaurus cramptoni by Alexander Carte and W. H. Bailey in 1863, and later Harry Seeley placed it in its own genus, Rhomaleosaurus, in 1874.1
- Aínda en debate
- Scientists still debate which species belong to Rhomaleosaurus. Some species once placed here, like Rhomaleosaurus megacephalus, are now thought to belong to other genera.1
De onde veñen os datos
- Rhomaleosaurus (en.wikipedia.org)
- The skull of the giant predatory pliosaur Rhomaleosaurus cramptoni: implications for plesiosaur phylogenetics (plesiosauria.com)
- Rhomaleosaurus – Plesiosaur Directory (plesiosauria.com)
- An exceptional fossil plesiosaur - Rhomaleosaurus cramptoni | National Museum of Ireland (museum.ie)
- Rhomaleosaurus in The Paleobiology Database (CC BY 4.0): idade, lugares, formacións rochosas, clasificación.
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