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Posts by Adam S. Smith, the admin of plesiosauria.com.

First elasmosaurid plesiosaur from Montana announced

Elasmosaurid plesiosaurs are notorious for ‘losing their heads’. In fossil plesiosaur skeletons the skull is frequently missing, unfortunate because this is such a vital part of the anatomy for understanding the relationships and biology of the animal. This fact makes the discovery of a new elasmosaurid skull, the first ever from the state of Montana, all the more significant.

Research suggests long-necked plesiosaurs fed on seabed

The long neck of the plesiosaur is a mysterious adaptation for which many hypotheses have been proposed. The most recent suggestion comes from Dr Leslie Noè of the University of Cambridge . After examining the neck vertebrae of the long-necked plesiosaur Muraenosaurus, whose name translates as ‘Moray eel lizard’, Dr Noè concluded that the natural position of the neck was a downwards curve towards the seabed.