This shell appears to be a Florida Cross-barred Venus shell or Chione elevata (Say, 1822). It was found by a 17 year old Lucien Pearson ...

This shell appears to be a Brown Baby Ear Snail or Sinum maculatum (Say, 1831). It was found by a 17 year old Lucien Pearson Beckner in 1...

These shells appear to be Crested Oysters or Ostrea equestris (Say, 1834).  One has group of barnacles attached to it. They were found by a...