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Branching Red Algae
Under the microscope, you can peer inside the cells of this filamentous red algae....
A Diatom Helix
This beautiful marine diatom Chaetoceros debilis was caught in the North Sea. Not...
Fossil tooth spiral
This fossil tooth whorl of the ancient shark Helicoprion, dates back 290 million...
Two fossilized teeth from a megalodon (Carcharodon megalodon) dating back more than...