Stratigraphic Table
Organisms lived in light section, were index fossils in dark sections.

Stratigraphic Table

Organisms lived in light section, were index fossils in dark sections.

14. July 2011 at 9:19 PM | Tagged as: • ammonoidea anthozoa belemnoidea bivalvia brachiopoda echinozoa gastropoda geology graptolithina index fossil nautiloidea paleontology trilobites uni
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