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The most desired specimens are the dorsal presentations
A 2009 study showed that large tail knobs could generate sufficient force to break bone during impacts
This area is yielding extremely important information on the evolution of dinosaurs
"Lyktaspis") is an extinct genus of primitive jawless fish that lived in the Devonian period
it had three-toed feet
Libellulium longilatum, dragonfly Posters The most desired specimens areLibellulium longilatum (formerly known as Cymatophlebia) is a 150 million year old dragonfly known from the Solnhofen fossil beds of Germany. Libellulium is recognized by its large, powerful wings. Dragonflies first appeared about 250 million years ago during the Early Permain Period. Since then, they have changed little, making them one of the oldest and most successful living groups of insects. Along with damselflies, dragonflies are insects that