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Cetiosaurus oxoniensis

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description Cetiosaurus oxoniensis Overview

Cetiosaurus oxoniensis is a large herbivorous sauropod dinosaur from Middle Jurassic rocks in England, particularly the Oxford Clay and related deposits of Oxfordshire. Richard Owen named the genus Cetiosaurus in 1841, making it one of the earliest sauropod genera recognized by science, although the species C. oxoniensis was named later. More complete remains eventually showed that it was a terrestrial, long-necked dinosaur rather than an enormous marine reptile.

help Cetiosaurus oxoniensis FAQ

Who named the genus Cetiosaurus?

Richard Owen named the genus Cetiosaurus in 1841, making it one of the earliest sauropod genera to be scientifically described. Owen is also known as the scientist who coined the term 'dinosaur' that same year.

Where was Cetiosaurus oxoniensis found?

Cetiosaurus oxoniensis specimens come primarily from Middle Jurassic deposits in Oxfordshire, England, including the Oxford Clay formation. These British Jurassic rock units have been a productive source of dinosaur and marine reptile fossils since the 19th century.

How large was Cetiosaurus?

Cetiosaurus was a substantial sauropod, with estimates generally placing adults at roughly 15 to 18 meters in length. It was one of the larger animals known from the British Jurassic, though smaller than later giants like Diplodocus and Brachiosaurus.

What does the name Cetiosaurus mean?

The name 'Cetiosaurus' means 'whale lizard' or 'sea-monster lizard,' because Richard Owen initially believed the massive bones belonged to a giant marine creature resembling a whale or crocodile rather than a terrestrial dinosaur.

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