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helmet-like head armor
The most desired specimens are the dorsal presentations
Each kit also contains a color post card that can be used to help identify the kind of tooth in the dig
The density of specimens in the Aspidella beds suggests levels of benthic biomass in the Neoproterozoic that could rival those of modern marine communities
Libellulium longilatum, dragonfly Posters helmet-like head armorLibellulium 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
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