Seven-Gill Cow shark (Notorhynchus symphyseal)
A Top Quality Seven-Gill Cow shark (Notorhynchus) - Lower Jaw Symphyseal (very rare position) fossil shark tooth from Calvert Cliffs, Maryland. A female shark. Razor and complete sharp cusps. Miocene age from the Calvert Formation. Gorgeous tooth for the rare tooth collector! Near complete tooth. Authenticity guaranteed.
MD012 Size: 9/16" W