@mindlight
Just to add to the above question, to be more specific, there are aquatic organisms, dominating ordovician and silurian rock, as well as even devonian rock. Dinosaurs are confined to mesozoic rock, that is triassic, jurassic and cretaceous. Birds and mammals are not found prior to the mesozoic. Complex bodied fossils are not found beyond the ediacaran.
Terrestrial organisms are typically found in terrestrial rock. Aquatic animals are typically found in marine or shallow marine rock. Flowering plants are not found prior to the mesozoic, and vascular plants are not found prior to silurian rock. And this is understood via superposition of rocks in the earth.
Just wanted to add a little bit to the question to make it just a bit harder for the great flood supporters to support.