The Pteriidae Family includes 30 species comprising 2 genus (Pteria (29 species), Pterelectroma (1))

Phylum      : Mollusca
 Class       : Bivalvia 
  Subclass    : Pteriomorphia 
   Order       : Ostreida 
    Superfamily : Pterioidea 
     Family      : Pteriidae

Common name : tree oysters, black-lip pearl oyster, penguin wing-oyster

Aspect : flattened valves, concentric sculptures sometimes scaly; straight hinge, without teeth; cardinal edge prolonged in the form of an angular rear wing; very pearly interior;

Feeding : filtration of microorganisms in suspension

Environment : strong byssal threads attached to the rocks, pier piles, ...; tropical waters

Pteria penguin (Röding, 1798)