Isurus retroflexus
This catalog contains excellent and rare Miocene age Isurus retroflexus, the Longfin Mako shark. These teeth are from the Calvert Formation (early middle Miocene) - approx. 18 million years in age, Calvert Cliffs, Maryland.
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A rare, early Miocene Mako tooth of Isurus retroflexus, the Longfin Mako from Calvert Cliff, Maryland.
MD022 SIZE: 1-7/16"
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