three, lying flush with the ground, have was known only by its spines and bits, of pavement- that it is successful is evident as the shark has with been covered over with glass. In the background is like teeth. Prom . these geologists described it years some slight change survived the changes of… … Photo Charles Ironmonger. Port Jackson Shark and Spiral Eggs. tensive as the first forced from their po- series, but they are sition. A DESCENDANT OF A PREHISTORIC SHARK.
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