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Seeley, 1887b
Ornithodesmus sacrum


Bird Link

Coelurosauria von Huene, 1914

Ornithodesmus cluniculus Seeley, 1887

Wessex Formation

A small theropod, Ornithodesmus would probably have hunted smaller dinosaurs and lizards.
(More info can be found at DinoWight Palaeoecology)

Brook Bay.

Description of Material

(Don't understand all the terminology? visit the Glossary)

Six vertebrae, which are all fused. Viewed laterally, the sacrum is slightly arched, with continuous neural blade formed by the neural spines. A platform projects from the bases of the neural spines and links with the diapophyses. There is a shallow sulcus along the ventral surface of the fused sacral vertebrae and the first two vertebrae have pleurocoels, set in deep excavations.

Little bit of history, as this entry's a bit short. Ornithodesmus was originally described as a bird, was then re-described as a pterosaur, was then discovered to be a dinosaur, was classified as a troodontid (although the material it was compared to eventually turned out to be misidentified itself), then a dromaeosaur. Basically, no-one really knows what it is, although most palaeontologists agree it is a dromaeosaur. Even if it is, it is not the same as the large velociraptorine(s) which is known from the island.

How do I know if I've found a bone?

Further Information.
Ornithodesmus - Wikipedia, the free encyclopedia
References (not cited above)
Naish et al, 2001

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