Tower shell spines?

Tower shell spines?

Observation - Tower shell spines?. Description: The spines on this shell i cannot identify. The shell i believe to be a tower shell, with some black staining. However the spines are of particular interest. can anyone define the shell or the spines?

The spines on this shell i cannot identify. The shell i believe to be a tower shell, with some black staining. However the spines are of particular interest.

can anyone define the shell or the spines?