
Sauriurae (meaning `lizard tails` in Greek) is a now-deprecated subclass of birds created by Ernst Haeckel in 1866. It was intended to include Archaeopteryx and distinguish it from all other birds then known, which he grouped in the sister-group Ornithurae (`bird tails`). The distinction Haeckel referred to in this name is that Archaeopteryx p...
Found on
http://en.wikipedia.org/wiki/Sauriurae

One of the two major subclasses of birds; it contains primitive birds such as Archaeopteryx and the enantiornithines (opposite birds), but no living bird groups.
Found on
https://academy.allaboutbirds.org/bird-academys-a-to-z-glossary-of-bird-ter
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