"Sea Urchin Fossil Pseudocidaris Mammosa Jurassic France"
Curious sea urchin Pseudocidaris mammosa on limestone matrix, raised into living position with its radioles (club-shaped), characteristic of its genus.Stage and Age: Kimmeridgian (Upper Jurassic): -155 to -149 million years.
Diameter with its radioles: approximately 70 mm.
Beautiful preparation of this fossil of French origin (Charentes). Comes from a private paleontological collection. Described in 1883 by Auguste Pomel, no current sea urchin has such “spikes”.
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