• Hephthopelta cribrorum Nekogani-modoki
  
• Heterocrypta transitans Kawari-hishigani
  
• Heteromysis formosa
• Heteronucia globata Maru-konpetougani
  
• Heteronucia laminata Biroudo-kobushi
  
• Heteronucia perlata Marutsubu-kobushi
  
• Heteronucia venusta Konpetou-kobushi
  
• Heteropanope glabra
• Heteropilumnus ciliatus Okinagani
  
• Heteropilumnus holthuisi Lipke-okinagani
  
• Heteropilumnus integra Yokonaga-okinagani
  
• Heteropilumnus longipes Oh-okinagani
  
• Heteropilumnus mikawaensis Mikawa-okinagani
  
• Heteropilumnus sp Okinagani sp.
  
• Heteroplax nagasakiensis Nagasaki-kibagani
  
• Heteroplax nitida Kibagani
  
• Hexapinus latipes Mutuáshi-gani
  
• Hexaplax megalops Medama-mutuáshi-gani
  
• Hexapus anfractus Hime-mutuáshi-gani
  
• Hippolyte varians
• Hippopodius hippopus
• Hiroia krempfi Hiro-sango-yadori
  
• Hirsutodynomene spinosa Mauritius-toge-kaikamuri
  
• Holothuriophilus mutuensis Mutsu-namako-pinno
  
• Homalodromia coppingeri Hime-kinuge-kamuri
  
• Homarus gammarus
• Homoeonema platygonon
• Homoioplax haswelli Ashinaga-hime-énkougani
  
• Homola ikedai Ikeda-homora
  
• Homola mieensis Mie-homora
  
• Homola orientalis Toyo-homora
  
• Homolochunia gadaletae Hasamiáshi-homora
  
• Homologenus donghaiensis Huilian-homora
  
• Homolomannia occlusa Madagascar-homora
  
• Homolomannia sibogae Hira-homora
  
• Hoplophrys oatesii Iso-konpetougani
  
• Huenia brevifrons Futokubi-konohagani
  
• Huenia heraldica Konohagani
  
• Hyas coarctatus alutaceus Hikigani
  
• Hyas coarctatus ursinus Kebuka-hikigani
  
• Hyastenus borradailei Borradail-tsunogani
  
• Hyastenus convexus Gohsyu-tsunogani
  
• Hyastenus cornigerus Awatsubu-tsunogani
  
• Hyastenus diacanthus Tsuno-gani
  
• Hyastenus elongatus Maru-tsunogani
  
• Hyastenus hilgendorfi Merugui-tsunogani
  
• Hyastenus kyusyuensis Kyusyu-tsunogani
  
• Hyastenus pleione Indo-tsunogani
  
• Hybocodon prolifer
• Hydrobia ulvae