Cetarthrosaurus
Cetarthrosaurus was a fast-swimming marine reptile that lived in the seas near what is now England. It looked a bit like a dolphin but was actually an ichthyosaur, not a dinosaur.13
Cando viviu?
Que velocidade alcanzaba?
Datos curiosos
Cetarthrosaurus lived about 100 million years ago, at the end of the Early Cretaceous period.3
Only one fossil of Cetarthrosaurus has been found, a single femur (thigh bone).2
The fossil was discovered by J. F. Walker near a railway bridge at Ditton, northeast of Cambridge.2
The femur bone was worn and rolled, like a bone tumbled on a beach, before it was buried.2
The name Cetarthrosaurus means 'joint-tail lizard', referring to its tail bones.1

Para expertos en dinos
- Nome científico
- Cetarthrosaurus
- Bautizado por
- Seeley 18733
- Grupo
- Ictiosauros
- Familia / clado
- Ichthyosauria3
- Clasificación
- Ichthyosauria > Ichthyosauromorpha3
- Idade das rochas
- de 106 a 100 millóns de anos (Albian)3
- Formacións rochosas
- West Melbury Marly Chalk3
- Países
- Reino Unido3
- Rexistros fósiles
- 1 na Paleobiology Database3
- Descubrimento
- Cetarthrosaurus was named by Harry G. Seeley in 1873. The only known fossil, a femur, was found by J. F. Walker in the Cambridge Greensand near Ditton, England.12
- Aínda en debate
- Scientists are not sure exactly how big Cetarthrosaurus was, because only one leg bone has been found.2
De onde veñen os datos
- Cetarthrosaurus (en.wikipedia.org)
- On Cetarthrosaurus Walkeri (Seeley), an Ichthyosaurian from the Cambridge Upper Greensand (exa.ai)
- Cetarthrosaurus in The Paleobiology Database (CC BY 4.0): idade, lugares, formacións rochosas, clasificación.
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