Browsing by Author "Frederickson, Joseph A."
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A Gigantic Shark from the Lower Cretaceous Duck Creek Formation of Texas Undergraduate
Frederickson, Joseph A.; Schaefer, Scott N.; Doucette-Frederickson, Janessa A. (2015-06-03)Three large lamniform shark vertebrae are described from the Lower Cretaceous of Texas. We interpret these fossils as belonging to a single individual with a calculated total body length of 6.3 m. This large individual ... -
A Gigantic Shark from the Lower Cretaceous Duck Creek Formation of Texas
Frederickson, Joseph A.; Schaefer, Scott N.; Doucette-Frederickson, Janessa A. (2015-06-03)Three large lamniform shark vertebrae are described from the Lower Cretaceous of Texas. We interpret these fossils as belonging to a single individual with a calculated total body length of 6.3 m. This large individual ...