此skeletal reconstruction的真实准确性存在争议。 Non-peer-reviewed original research based on scientifically doubtful method, with postulate of characters that are not really visible in the original fossils such as the weird, long, whip-like head appendage.
For a broader discussion on the whole topic see Why the world has to ignore ReptileEvolution.com.
This paleontological restoration is inaccurate, or its accuracy is disputed.
You may ask further questions about the accuracy of this image at the image review page of Wikiproject Palaeontology on the English Wikipedia. Note that this image may be appropriate to illustrate obsolete paleontological views.