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7 million years ago
Owen described the specimen in 1863
also known as the Teyler Specimen) was discovered in 1855 near Riedenburg
The British establishment was at the time enamored with the hoax Piltdown man
Like many other ammonites
Archiocidaris brownwoodensis, sea urchin Tyrannosaurus Rex 7 million years agoThe Archiocidaris brownwoodensis sea urchins from the Brownwood Lake Spillway site were marine animals which died with their spines still attached. This is a rare occurrence. The mud, or current matrix, around these sea urchins was not disturbed after they died, leaving them nearly complete. Because of their nearly perfect condition it is assumed that their death was not caused by force, but from some type of cataclysmic event, possibly a rapid change