Species Classification: ‭ ‬Saurischia

Xixianykus

In Depth        At the time of its description the genus Xixianykus represents the oldest known parvicursorine alvarezsaur discovered‭ (‬others are dated to the Campanian/Maastrichtian eras‭)‬.‭ ‬The legs of Xixianykus are of particular interest since they are about twenty centimetres long,‭ ‬which in relation to a total body length estimated at fifty centimetres long,‭ ‬means that … Read more

Santanaraptor

In Depth        Santanaraptor has caused a stir within the palaeontological world not only because some palaeontologists think it is an early tyrannosaurid,‭ ‬but because it was found in South America,‭ ‬a continent long thought to be devoid of the presence of tyrannosaurs.‭ ‬Apart from similar skeletal features,‭ ‬Santanaraptor is in the right time and location … Read more

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