• Leucon nasica
• Leucon nasicoides
• Leucon pallidus
• Leucosia alcocki Newguinea-kobushi
  
• Leucosia anatum Tsunonaga-kobushi
  
• Leucosia craniolaris Tatejima-kobushi
  
• Leucosia formosensis Taiwan-kobushi
  
• Leucosia haematosticta Akahoshi-kobushi
  
• Leucosia insularis Ogasawara-kobushi
  
• Leucosia mimasensis Mimase-kobushi
  
• Leucosia obtusifrons Kobushi-gani
  
• Leucosia perlata Futame-kobushi
  
• Leucosia rhomboidalis Hishigata-kobushi
  
• Leucosia sagamiensis Sagami-kobushi
  
• Leucosia unidentata Yotume-kobushi
  
• Leucosia vittata Naga-kobushi
  
• Liagore rubromaculata Benihoshi-manjyugani
  
• Libystes edwardsi Haigazami-modoki
  
• Libystes lepidus Chichijima-haigazami-modoki
  
• Libystes nitidus Zanzibar-haigazami-modoki
  
• Libystes villosus Kumejima-haigazami-modoki
  
• Limacina lesueuri
• Limacina retroversa
• Limacina retroversa balea
• Limacina retroversa retroversa
• Liocarcinus corrugatus Wrinkled swimming crab
  Shiwa-gazami
  
• Liocarpilodes harmsi Kuro-hizume
  
• Liocarpilodes integerrimus Dana-hizume
  
• Liomera acutidens Futaba-beniohgigani
  
• Liomera bella Murasaki-beniohgigani
  
• Liomera boninensis Ogasawara-beniohgigani
  
• Liomera caelata Fukuro-beniohgigani
  
• Liomera cinctimana Philippines-beniohgigani
  
• Liomera edwardsi Edwards-beniohgigani
  
• Liomera erythra Chirimen-beniohgigani
  
• Liomera laevis Hime-beniohgigani
  
• Liomera margaritata Tubu-beniohgigani
  
• Liomera monticulosa Kobu-chirimen-ohgigani
  
• Liomera rubra Red Liomera
  Shirosuji-beniohgigani
  
• Liomera rugata Murasaki-beniohgigani
  
• Liomera sagamiensis Sagami-beniohgigani
  
• Liomera stimpsoni Stimpson-beniohgigani
  
• Liomera striolata Odhner-beniohgigani
  
• Liomera venosa Beniohgigani
  
• Lioxanthodes alcocki Christmastou-ohgigani
  
• Liriope tetraphylla
• Lissocarcinus arkati Yokosuji-marugazami
  
• Lissocarcinus laevis Harlequin crab
  Marugazami
  
• Lissocarcinus orbicularis Sea cucumber crab
  Namako-marugazami
  
• Lissocarcinus polybioides Togari-marugazami