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Sexual dimorphism defined these creatures
Fossil evidence from the Green River Formation demonstrates that members of the sumac family (Anacardiaceae) were a significant component of the vegetation surrounding expansive Eocene freshwater lakes
ultimately achieving the massive size seen in the late Eocene fossils from the Badlands
and other marine creatures that shared its Eocene seas
2.4" Fossilized Polished Petrified Wood Branch Madagascar 66-225 Million Yrs Old Basilosaurus Sexual dimorphism defined these creaturesLocation: Madagascar Weight: 5. 8 Ounces Dimensions: 2. 4 Inches Long, 2. 2 Inches Wide, 1. 5 Inches Thick The item pictured is the one you will receive. 66 225 million years old, Cretaceous and Quaternary periods This polished Madagascar petrified wood specimen is a striking example of natures artistry over millions of years. The smooth, reflective surface reveals intricate patterns and a rich range of colors that formed during the fossilization