The former , in other words , perfected rapid growth and went on to dominate the mesozoic , while the latter gave it up .
换言之,前者完善了快速生长机制并进而成为中生代的霸主,而后者则放弃了这种模式。
Zc : balaur was aberrant and strange first of all because it is morphologically so divergent and shows so many unique features that it actually revealed to us a completely new body plan that existed during the mesozoic .
Although some studies have dated the rocks to the mesozoic era ( the age of reptiles ) , fossils in coal deposits from the eastern reaches of franz josef land suggest that the rocks might be even older .
The survivors regrouped , re-evolved and turned into the mesozoic species that led eventually to the dinosaurs , pterosaurs , ammonites and belemnites that generations of fossil hunters are familiar with .
What is important for the moment is that the discovery of balaur brought us in front of the recognition that we are still far from fully comprehending the complexity and diversity of mesozoic life , not even within groups so thoroughly studied and considered relatively " conservative " as the dromaeosaurids .