Architectonica nobilis Röding, 1798 Common Sundial In Situ

Architectonica nobilis Röding, 1798 Common Sundial In Situ

    By SCUBA north of Peanut Island, Palm Beach Inlet, Palm Beach County, FL, April 25, 2009 (about 21 mm.).  Underwater photography copyright 2009 by Anne DuPont.