Vetigastropoda Salvini-Plawen, 1980 - archaeogastropods s.l. Family Fissurellidae Fleming, 1822 - keyhole limpets Subfamily Emarginulinae Children, 1834 Genus Scutus Montfort, 1810 1 Scutus sinensis (Blainville) 2 Scutus unguis (C. Linnaeus, 1758)