Ammonite - evidence of past marine life 1, Trilobite - Evidence of past marine life, Trace fossil evidence of dinosaur presence in the area, Shark Tooth - evidence of past marine life 2, Gastropod (Snail-like fossil) - evidence of past marine life 3, Bivalve (Bi = 2) - evidence of past fresh or salt water body, Coral - evidence marine life existed here at one time, fossilized ferns - evidence a swamp may once have existed here, Fish Scale - evidence of past marine life, petrified wood - evidence of past with mostly dry land, fossilized dragonfly - evidence of past land environment with plants and water bodies to support diverse life forms life,

Texas Fossils Match as evidence of past environments

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