Phyllonotus enrythorstomus?

[RyanDye]

Sources:

Link

 

Anastasia Formation LOCATION

 

Link (Search Port St.  John) 

 

Geology Map

 

Hello everyone. Today is one of my first field collected fossils that I've posted to the forum!

I'm quite positive of the species of the specimen but, you can never be too sure so, I invite you to give your best conjecture on what the ID of this fossil is. It was collected in a cluster of 6 different forms in the Caneveral National Seashore. The two Epochs of the 6 forms are the Pleistocene & Holocene epochs.  Thank you in advance. 

 

 

    

    

[RyanDye]

Here's another image.

[MikeR]

Hexaplex fulvescens (Sowerby, G. B. II, 1834)  LINK

[RyanDye]

Thank you sorry for all the confusing information before getting to the point.