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Showing results for tags 'cretacious period possibly'.
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Left sand dollar is modern day I found in the Red Sea on the right is a fossil sand dollar I found embedded in limestone on dry land this is all in Saudi Arabia when I checked the last time it was underwater was in the Cretaceous I want to know as much as possible about this both sand dollars are very different in size and shape for it to adapt this much it must be millions of years old
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- cretacious
- cretacious period possibly
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I was shark tooth hunting at calvert cliffs in Maryland and besides the sharks teeth I found I found this which looks like a tooth of some sort possibly a molar from an omnivore or herbivore. What is it any ideas?
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- calvert cliffs maryland
- cretacious period possibly
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