Hokkaidoconcha

• Hokkaidoconcha bilirata
• Hokkaidoconcha bituminifer
• Hokkaidoconcha costata
• Hokkaidoconcha morenoensis
• Hokkaidoconcha morisseaui
• Hokkaidoconcha novacula
• Hokkaidoconcha occidentalis
• Hokkaidoconcha tanabei
• Hokkaidoconcha tehamaensis