• Lithoscaptus grandis Oh-sango-yadori
  
• Lithoscaptus helleri Heller-sango-yadori
  
• Lithoscaptus tri Vietnam-sango-yadori
  
• Litosus giraffus Kiri-nakeus
  
• Litosus sexspinosus Mutsuha-mametsubu-gani
  
• Lizzia blondina
• Loligo forbesii
• Loligo vulgaris
• Lophogaster typicus
• Lophopilumnus dilatipes Samarang-kebukagani
  
• Lophoplax sculpta Amami-takogani
  
• Lophoplax sextuberculata Ogasawara-takogani
  
• Lophoplax takakurai Takogani
  
• Lophozozymus dodone Hime-hiroha-ohgigani
  
• Lophozozymus incisus Oh-hiroha-ohgigani
  
• Lophozozymus pictor White spotted reef crab
  Hiroha-ohgigani
  
• Lophozozymus pulchellus Beni-hiroha-ohgigani
  
• Lovenella clausa
• Luidia ciliaris
• Luidia sarsi
• Lupocyclus inaequalis Shen-hosoude-gazami
  
• Lupocyclus philippinensis Hosoude-gazami
  
• Lupocyclus quinquedentatus Mutsuha-hosoude-gazami
  
• Lupocyclus rotundatus Srilanka-hosoude-gazami
  
• Lupocyclus tugelae Maru-hosoude-gazami
  
• Lybia caestifera Hime-kinchaku-gani
  
• Lybia hatagumoana Hatagumo-gani
  
• Lybia tessellata Kinchaku-gani
  
• Lydia annulipes Kiba-ohgigani
  
• Lyreidus brevifrons Futokubi-biwagani
  
• Lyreidus stenops Togenashi-biwagani
  
• Lyreidus tridentatus Biwagani
  
• Macrocheira kaempferi Takaàshi-gani
  
• Macrocypridina castanea
• Macromedaeus crassimanus Alphon-shiwa-ohgigani
  
• Macromedaeus demani Edam-shiwa-ohgigani
  
• Macromedaeus distinguendus Shiwa-ohgigani
  
• Macromedaeus orientalis Munakata-shiwa-ohgigani
  
• Macrophthalmus abbreviatus Osagani
  
• Macrophthalmus banzai Hime-yamato-òsagani
  
• Macrophthalmus barnesi Palawan-òsagani
  
• Macrophthalmus boscii Hime-kaku-òsagani
  
• Macrophthalmus boteltobagoe Taiwan-hime-òsagani
  
• Macrophthalmus brevis Herbst-òsagani
  
• Macrophthalmus ceratophorus Hige-menaga-òsagani
  
• Macrophthalmus convexus Futaha-òsagani
  
• Macrophthalmus crinitus Chapgar-òsagani
  
• Macrophthalmus definitus Adams-white-òsagani
  
• Macrophthalmus erato osagani, Mergui-
  
• Macrophthalmus japonicus Yamato-òsagani