• Stimdromia lateralis Gohsyu-kamuri
  
• Streptoleberis rectirostris
• Styliola subula
• Stylocheiron abbreviatum
• Stylocheiron elongatum
• Stylocheiron longicorne
• Stylocheiron maximum
• Sulculeolaria biloba
• Sunipea indicus Andaman-ákeus
  
• Synasterope norvegica
• Systellapsis debilis
• Takedromia cristatipes Haridashi-kamuri
  
• Takedromia yoshidai Takeda-kaikamuri
  
• Tauropus egeriae Gordon-eumedopus
  
• Telmessus acutidens Toge-kurigani
  
• Telmessus cheiragonus Helmet crab
  Kurigani
  
• Tesserogastria musculosa
• Tetralia cinctipes Paulson-sangogani
  
• Tetralia fulva Raoul-sangogani
  
• Tetralia glaberrima Hime-sangogani
  
• Tetralia glaberrima laevissima Akayubi-sangagani
  
• Tetralia nigrolineata Gohsyu-sangogani
  
• Tetralia rubridactyla John-sangogani
  
• Tetrias fischeri Minami-yokonaga-pinno
  
• Teuthowenia megalops
• Thacanophrys aculeatus Oh-kaimen-gani
  
• Thacanophrys brevispinosus Hime-kaimen-gani
  
• Thacanophrys harmandi Hari-kaimen-gani
  
• Thacanophrys longispinus Kaimen-gani
  
• Thacanophrys tosaensis Tosa-kaimen-gani
  
• Thalamita admete Futaha-benitsuke-gani-modoki
  
• Thalamita bouvieri Mitsuha-benitsuke-gani
  
• Thalamita chaptali Audoin-benitsuke-gani
  
• Thalamita coeruleipes Gohsyu-benitsuke-gani
  
• Thalamita corrugata Gilbert-benitsuke-gani
  
• Thalamita crenata Mangrove swimming crab
  Minami-benitsuke-gani
  
• Thalamita danae Minami-benitsuke-modoki
  
• Thalamita demani Misuji-benitsuke-gani
  
• Thalamita gloriensis Madagascar-benitsuke-gani
  
• Thalamita holthuisi Holthuis-benitsuke-gani
  
• Thalamita integra Himefutaha-benitsuke-gani
  
• Thalamita kagoshimaensis Kagoshima-benitsuke-gani
  
• Thalamita macropus Oh-hime-benitsuke-gani
  
• Thalamita mitsiensis Hime-yotsuha-benitsuke-gani
  
• Thalamita oculea Ocule-benitsuke-gani
  
• Thalamita parvidens Carolin-benitsuke-gani
  
• Thalamita pelsarti Montgomer-benitsuke-gani
  
• Thalamita picta Hime-benitsuke-gani
  
• Thalamita prymna Benitsuke-gani
  
• Thalamita pseudopoissoni Marumi-futaha-benitsuke-gani