Pinctada imbricata Röding, 1798 Atlantic Pearl-oyster

East of Raged Keys, Bicayne Bay, Miami-Dade Co., Florida (40 and 57 mm.)

Internal view showing green byssal threads (top left)

Inside beached athletic shoe after northeaster, Little Talbot Island, Duval Co., FL (about 26 mm.)

Digital Photograph by Joel Wooster