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Pharyngolepis oblongus, primitive jawless fish SpinosaurusPharyngolepis is an extinct genus of primitive jawless fish that lived in the Silurian period of what is now Norway. Pharyngolepis had well developed anal and caudal fins, but no paired or dorsal fins that would have helped stabilise it in the water, and so was probably a poor swimmer, remaining close to the sea bottom. The pectoral fins were instead replaced by bony spines, possibly for protection against predators, and there was a row of spines
about the time that dinosaurs began to appear
Specimens are known to have been made of flint
and hollow bones
Except for the extinct subspecies of modern polar bear Ursus maritimus tyrannus and Arctotherium
It was the most common of the giant sauropods to be found in North America
Specs: Iguanodon
Delegate Joe Talbott (Webster County) and Senator Jon Hunter (Monongalia County)
near Frankfurt
a Messel frog
Class: Echinoidea
This is poured in solid resin so it is very stable
these are thought to indicate a filter feeding lifestyle