Conus adversarius  CONRAD, 1840
USA, MD, Chesapeake Bay - 101.2 mm
                               Pliocene, Piacenzian, Yorktown Formation

 

Conus adversarius  CONRAD, 1840
USA, FL, Sarasota - 68.9 mm                     Pliocene, Piacenzian

 

Conus adversarius  CONRAD, 1840
USA, FL, Sarasota - 18.7 mm  [juvenile]
                                                            Pliocene, Piacenzian  

 

References

CONRAD, T. A., 1840. New fossil shells from N. Carolina.
The American Journal of Science and Arts, 39: 387-388.