- Jurassic, approx 170 million years
old, Posidonia Shale
- Holzmaden, near Stuttgart, Germany.
The world famous locality of Holzmaden delivers fossils that
are not only exceptionally well preserved but also of high aesthetic
beauty. The best known fossils of the black Posidonia Shale are
the Ichthyosaurians. Ichthyosaurus fish lizard" flourished
throughout the Jurassic period and into the Cretaceous. They
had a streamlined torpedo-shaped body with a stabilizing dorsal
fin on the back, paired paddles for steering, and a strong fishlike
tail with 2 equal lobes for swimming.
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