| Authors(s) | Sakai, T. |
| Year | 1939 |
| Title | Studies on the crabs of Japan. IV. Brachygnatha, Brachyrhyncha, pp. 365-741, figs 1-129, pls 42-111, table 1. Yokendo Co., Tokyo. |
- Acmaeopleura
- Acmaeopleura balssi
- Acmaeopleura depressa
- Acmaeopleura parvula
- Actaea
- Actaea calculosa
- Actaea perspinosa
- Actaea polyacantha
- Actaea savignyii
- Actaea semblatae
- Actaeodes consobrinus
- Actaeodes hirsutissimus
- Actaeodes mutatus
- Actaeodes tomentosus
- Actumnus
- Actumnus dorsipes
- Actumnus forficigerus
- Actumnus intermedius
- Actumnus setifer
- Actumnus squamosus
- Asthenognathinae
- Asthenognathus
- Asthenognathus inaequipes
- Atelecyclidae
- Atergatis
- Atergatis floridus
- Atergatis granulatus
- Atergatis integerrimus
- Atergatis latissimus
- Atergatis reticulatus
- Atergatis subdentatus
- Atergatopsis
- Atergatopsis signatus
- Banareia
- Banareia japonica
- Banareia odhneri
- Banareia subglobosa
- Baptozius
- Baptozius vinosus
- Baruna mangromurphia
- Baruna sinensis
- Benthopanope indica
- Calmania
- Calmania balssi
- Calmania prima
- Calmania simodaensis
- Calvactaea
- Calvactaea tumida
- Camatopsis
- Camatopsis rubida
- Camptandrium sexdentatum
- Cancer
- Cancer amphioetus
- Cancer gibbosulus
- Cancer japonicus
- Cancer tumifrons
- Cancridae
- Caphyra
- Caphyra yookadai
- Caphyrinae
- Carcinoplacinae
- Carcinoplax
- Carcinoplax longimanus
- Carcinoplax surugensis
- Carcinoplax vestita
- Cardisoma
- Cardisoma carnifex
- Carpilius
- Carpilius convexus
- Carpilius maculatus
- Carupa
- Carupa tenuipes
- Carupinae
- Catoptrus
- Catoptrus nitidus
- Ceratoplax
- Ceratoplax ciliata
- Ceratoplax sagamiensis
- Chaceon granulatus
- Charybdis
- Charybdis acuta
- Charybdis amboinensis
- Charybdis anisodon
- Charybdis annulata
- Charybdis bimaculata
- Charybdis erythrodactyla
- Charybdis feriatus
- Charybdis japonica
- Charybdis lucifera
- Charybdis miles
- Charybdis natator
- Charybdis obtusifrons
- Charybdis orientalis
- Charybdis sagamiensis
- Charybdis truncata
- Charybdis variegata
- Chasmagnathus
- Chasmagnathus convexus
- Chiromantes dehaani
- Chiromantes haematocheir
- Chlorodiella
- Chlorodiella laevissima
- Chlorodiella nigra
- Cleistostoma dilatatum
- Clistocoeloma
- Clistocoeloma merguiense
- Clistocoeloma sinensis
- Corystidae
- Cyclograpsus
- Cyclograpsus intermedius
- Cyclograpsus longipes
- Cycloxanthops truncatus
- Cymo
- Cymo andreossyi
- Cymo melanodactylus
- Dacryopilumnus
- Dacryopilumnus eremita
- Dacryopilumnus rathbunae
- Daira
- Daira perlata
- Deiratonotus cristatus
- Deiratonotus japonicus
- Demania cultripes
- Demania japonica
- Demania reynaudi
- Demania scaberrima
- Discoplax hirtipes
- Domecia
- Domecia hispida
- Dotillinae
- Epixanthus
- Epixanthus corrosus
- Epixanthus dentatus
- Epixanthus frontalis
- Erimacrus
- Erimacrus isenbeckii
- Eriocheir
- Eriocheir japonicus
- Eriocheir leptognathus
- Eriocheir rectus
- Eriocheir sinensis
- Eriphia
- Eriphia scabricula
- Eriphia sebana
- Eriphia smithii
- Eriphiidae
- Etisus
- Etisus anaglyptus
- Etisus dentatus
- Etisus electra
- Etisus laevimanus
- Etisus rhynchophorus
- Etisus splendidus
- Eucrate
- Eucrate crenata
- Eucratopsinae
- Euryxanthops orientalis
- Euxanthus
- Euxanthus exsculptus
- Forestia depressa
- Gaetice
- Gaetice depressus
- Gaetice ungulatus
- Gaillardiellus bocki
- Gaillardiellus orientalis
- Gaillardiellus rueppelli
- Galene
- Galene bispinosa
- Gecarcinidae
- Gecarcoidea
- Gecarcoidea lalandii
- Geograpsus
- Geograpsus crinipes
- Geograpsus grayi
- Geograpsus stormi
- Geothelphusa dehaani
- Geothelphusa levicervix
- Geothelphusa obtusipes
- Geothelphusa sakamotoana
- Glabropilumnus
- Glabropilumnus dispar
- Globopilumnus
- Globopilumnus actumnoides
- Globopilumnus globosus
- Gomeza
- Gomeza bicornis
- Goneplacidae
- Goneplacinae
- Goneplax
- Goneplax nipponensis
- Goneplax renoculis
- Gorgonariana sodalis
- Grapsidae
- Grapsinae
- Grapsus
- Grapsus albolineatus
- Grapsus longitarsis
- Grapsus tenuicrustatus
- Halimede
- Halimede fragifer
- Halimede tyche
- Helicana japonica
- Helicana wuana
- Helice
- Helice formosensis
- Helice latimera
- Helice subquadrata
- Helice tientsinensis
- Helice tridens
- Hemigrapsus
- Hemigrapsus longitarsis
- Hemigrapsus penicillatus
- Hemigrapsus sanguineus
- Hepatoporus
- Hepatoporus orientalis
- Hephthopelta
- Hephthopelta aurita
- Hephthopelta cribrorum
- Heteropanope
- Heteropanope glabra
- Heteropilumnus
- Heteropilumnus ciliatus
- Heteropilumnus longipes
- Heteroplax
- Heteroplax nagasakiensis
- Heteroplax nitida
- Hexapinus latipes
- Hexapodidae
- Hexapus
- Holothuriophilus mutuensis
- Homoioplax
- Homoioplax haswelli
- Hypocolpus
- Hypocolpus haani
- Hypothalassia
- Hypothalassia armata
- Ilyoplax
- Ilyoplax formosensis
- Ilyoplax integer
- Ilyoplax pusillus
- Ilyoplax tansuiensis
- Jonas
- Jonas distincta
- Jonas formosae
- Kraussia
- Kraussia rugulosa
- Labuanium rotundatum
- Lachnopodus
- Lachnopodus subacutus
- Leptodius
- Leptodius exaratus
- Leptodius gracilis
- Leptodius sanguineus
- Liagore
- Liagore rubromaculata
- Libystes
- Libystes nitidus
- Liocarcinus corrugatus
- Liomera
- Liomera bella
- Liomera boninensis
- Liomera caelata
- Liomera cinctimana
- Liomera erythra
- Liomera laevis
- Liomera margaritata
- Liomera monticulosa
- Liomera rubra
- Liomera rugata
- Liomera sagamiensis
- Liomera stimpsoni
- Liomera striolata
- Liomera venosa
- Lissocarcinus
- Lissocarcinus arkati
- Lissocarcinus laevis
- Lissocarcinus orbicularis
- Lissocarcinus polybioides
- Lophoplax
- Lophoplax sculpta
- Lophoplax takakurai
- Lophozozymus
- Lophozozymus incisus
- Lophozozymus pictor
- Lophozozymus pulchellus
- Lupocyclus
- Lupocyclus philippinensis
- Lupocyclus rotundatus
- Lupocyclus tugelae
- Lydia
- Lydia annulipes
- Macromedaeus distinguendus
- Macrophthalminae
- Macrophthalmus
- Macrophthalmus abbreviatus
- Macrophthalmus boscii
- Macrophthalmus boteltobagoe
- Macrophthalmus convexus
- Macrophthalmus japonicus
- Macrophthalmus latreillei
- Macrophthalmus pacificus
- Macrophthalmus serenei
- Macrophthalmus telescopicus
- Macrophthalmus tomentosus
- Manella
- Manella spinipes
- Mathildella
- Mathildella serrata
- Medaeops granulosus
- Medaeus
- Megaesthesius
- Megaesthesius yokoyai
- Mertonia
- Mertonia lanka
- Metaplax
- Metaplax takahashii
- Metasesarma
- Metasesarma aubryi
- Metopograpsus
- Metopograpsus messor
- Metopograpsus thukuhar
- Mictyridae
- Mictyris
- Mictyris brevidactylus
- Nanhaipotamon globosum
- Nanocassiope alcocki
- Nanosesarma gordoni
- Neoliomera
- Neoliomera insularis
- Neoliomera intermedia
- Neosarmatium smithi
- Neoxanthops
- Neoxanthops lineatus
- Neoxanthops quadrilobatus
- Novactaea pulchella
- Ocypode
- Ocypode ceratophthalma
- Ocypode cordimanus
- Ocypode stimpsoni
- Ocypodidae
- Ocypodinae
- Ommatocarcinus
- Ommatocarcinus fibriophthalmus
- Ommatocarcinus macgillivrayi
- Ostracotheres
- Ostracotheres subquadratus
- Ovalipes
- Ovalipes iridescens
- Ovalipes punctatus
- Ozius
- Ozius rugulosus
- Ozius tuberculosus
- Pachygrapsus
- Pachygrapsus crassipes
- Pachygrapsus fakaravensis
- Pachygrapsus minutus
- Pachygrapsus plicatus
- Paeduma orientale
- Palapedia integra
- Palapedia nitida
- Palapedia quadriceps
- Palicidae
- Palicoides
- Palicoides kyusyuensis
- Palicoides longimanus
- Paracleistostoma
- Paractaeopsis tumulosa
- Parapilumnus
- Parapilumnus trispinosus
- Parasesarma acis
- Parasesarma pictum
- Parasesarma plicatum
- Parasesarma vestitum
- Parathranites
- Parathranites orientalis
- Paraxanthias
- Paraxanthias notatus
- Percnon
- Percnon planissimum
- Perisesarma bidens
- Phymodius
- Phymodius granulosus
- Phymodius ungulatus
- Pilodius
- Pilodius areolatus
- Pilodius granulatus
- Pilodius miersi
- Pilodius nigrocrinitus
- Pilodius pilumnoides
- Pilodius pugil
- Pilumnopeus
- Pilumnopeus makianus
- Pilumnopeus marginatus
- Pilumnus
- Pilumnus dofleini
- Pilumnus heterodon
- Pilumnus longicornis
- Pilumnus minutus
- Pilumnus orbitospinis
- Pilumnus scabriusculus
- Pilumnus takedai
- Pilumnus tomentosus
- Pilumnus vespertilio
- Pinnaxodes
- Pinnaxodes major
- Pinnixa
- Pinnixa balanoglossana
- Pinnixa haematosticta
- Pinnixa penultipedalis
- Pinnixa rathbuni
- Pinnixa tumida
- Pinnothereliinae
- Pinnotheres
- Pinnotheres bidentatus
- Pinnotheres boninensis
- Pinnotheres corbiculae
- Pinnotheres cyclinus
- Pinnotheres gordoni
- Pinnotheres parvulus
- Pinnotheres pholadis
- Pinnotheres sinensis
- Pinnotheridae
- Pinnotherinae
- Plagusia
- Plagusia dentipes
- Plagusia tuberculata
- Plagusiinae
- Planes
- Planes cyaneus
- Platepistoma
- Platepistoma anaglyptum
- Platyeriocheir formosa
- Platypodia
- Platypodia granulosa
- Podocatactes
- Podocatactes hamifer
- Podophthalminae
- Podophthalmus
- Podophthalmus nacreus
- Podophthalmus vigil
- Portunidae
- Portuninae
- Portunus
- Portunus aburatsubo
- Portunus argentatus
- Portunus granulatus
- Portunus haani
- Portunus hastatoides
- Portunus nipponensis
- Portunus orbitosinus
- Portunus pelagicus
- Portunus pubescens
- Portunus sanguinolentus
- Portunus suborbicularis
- Portunus tenuipes
- Portunus trituberculatus
- Potamidae
- Psaumis cavipes
- Pseudograpsus
- Pseudograpsus albus
- Pseudoliomera helleri
- Pseudoliomera lata
- Pseudoliomera remota
- Pseudoliomera speciosa
- Pseudopalicus amadaibai
- Pseudopalicus serripes
- Pseudopinnixa
- Pseudosesarma bocourti
- Pseudozius
- Pseudozius caystrus
- Psopheticus
- Psopheticus hughi
- Ptychognathus
- Ptychognathus barbatus
- Ptychognathus glaber
- Ptychognathus ishii
- Ptychognathus takahasii
- Retropluma
- Retropluma denticulata
- Retroplumidae
- Rhizopinae
- Sakaina
- Sakaina asiatica
- Sakaina yokoyai
- Scopimera
- Scopimera bitympana
- Scopimera globosa
- Scopimera longidactyla
- Scylla
- Scylla serrata
- Serenius
- Serenius ceylonicus
- Sesarminae
- Sesarmops impressum
- Sesarmops intermedius
- Speocarcinus
- Speocarcinus laevimarginatus
- Sphaerozius
- Sphaerozius nitidus
- Telmessus
- Telmessus acutidens
- Telmessus cheiragonus
- Tetralia
- Tetralia glaberrima
- Thalamita
- Thalamita admete
- Thalamita crenata
- Thalamita danae
- Thalamita integra
- Thalamita kagoshimaensis
- Thalamita oculea
- Thalamita parvidens
- Thalamita pelsarti
- Thalamita picta
- Thalamita prymna
- Thalamita sexlobata
- Thalamita sima
- Thalamita spinifera
- Thalamita stimpsoni
- Thalamita wakensis
- Thalassograpsus
- Thalassograpsus harpax
- Thiidae
- Tmethypocoelis
- Tmethypocoelis ceratophora
- Trachycarcinus
- Trachycarcinus balssi
- Trachycarcinus sagamiensis
- Trapezia
- Trapezia cymodoce
- Trapezia digitalis
- Trapezia ferruginea
- Trapezia guttata
- Trapezia septata
- Tritodynamia
- Tritodynamia horvathi
- Tritodynamia japonica
- Tritodynamia rathbuni
- Typhlocarcinodes
- Typhlocarcinodes hirsutus
- Typhlocarcinops
- Typhlocarcinops canaliculata
- Typhlocarcinops ocularia
- Typhlocarcinus
- Typhlocarcinus villosus
- Uca
- Uca annulipes
- Uca arcuata
- Uca crassipes
- Uca dussumieri
- Uca formosensis
- Uca lactea
- Uca vocans
- Varuna
- Varuna litterata
- Varuninae
- Viaderiana quadrispinosa
- Xanthias
- Xanthias canaliculatus
- Xanthias elegans
- Xanthias lamarcki
- Xanthias latifrons
- Xanthias lividus
- Xanthias tetraodon
- Xanthidae
- Xenophthalmodes
- Xenophthalmodes morsei
- Zosimus
- Zosimus aeneus
- Zozymodes cavipes