buckeye, horse chestnut, conker
['bottlecap', 'king crab, Alaska crab, Alaskan king crab, Alaska king crab, Paralithodes camtschatica', 'chiton, coat-of-mail shell, sea cradle, polyplacophore', 'crayfish, crawfish, crawdad, crawdaddy', 'slug', 'shield, buckler', 'snail']