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.
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.