John II Doukas of Thessaly John II Komnenos John II of Naples John III of the Sedre John II of Trebizond John II Orsini John II Platinus John II (III)...

known bivalve ever as well as the largest inoceramid was Platyceramus platinus, a giant that usually had an axial length of 1 m (3 ft 3 in), but some...