www.specimenshells.net SPECIMEN SHELLS FASCIOLARIIDAE Peristernia nassatula Peristernia nassatula 28.5mm Peristernia nassatula 26mm Peristernia nassatula 28mm Peristernia nassatula 32mm Peristernia nassatula 28mm		Peristernia nassatula 28.5 mm - F+ 26 mm - F+ 28 mm - F+ 32 mm - F+ 28 mm - F+