White Hemifusus Pugilina shells, white vole conch shells, White Seashells for Crafts, sold in 1 kilo bags (2.2 pounds) are perfect for shell crafts. These white hemifusus pugilina shells, white vole conch measure between approximately 3" and 4". Pugilina is a genus of large sea snails, marine gastropod mollusks in the family Melongenidae, the crown conches and their allies.  These white seashells are real - not replicas.  They are nice quality shells but will have natural imperfections from living in the oceans and aging.