Xanthias alcocki – synonym of Nanocassiope alcocki
Xanthias atromanus – synonym of Xanthias elegans
Xanthias haswelli – synonym of Miersiella haswelli
Xanthias lamarckii – synonym of Xanthias lamarcki
Xanthias maculata – synonym of Xanthias maculatus
Xanthias minutus – synonym of Xanthias latifrons
Xanthias notatus – synonym of Paraxanthias notatus
Xanthias parvus – synonym of Paraxanthias parvus
Xanthias punctatus samoensis – synonym of Xanthias punctatus
Xanthias samoensis – synonym of Xanthias punctatus
Xantho (= Leptodius) exaratus – synonym of Leptodius exaratus
Xantho (= Leptodius) sanguineus – synonym of Leptodius sanguineus
Xantho (Lachnopodus) tahitensis – synonym of Lachnopodus tahitensis
Xantho (Leptodius) cavipes – synonym of Zozymodes cavipes
Xantho (Leptodius) crassimanus – synonym of Macromedaeus crassimanus
Xantho (Leptodius) danae – synonym of Leptodius nudipes
Xantho (Leptodius) exaratus var. gracilis – synonym of Leptodius gracilis
Xantho (Leptodius) exaratus var. typica – synonym of Leptodius exaratus
Xantho (Leptodius) gracilis – synonym of Leptodius gracilis
Xantho (Leptodius) hydrophilus – synonym of Leptodius exaratus
Xantho (Leptodius) sanguineus – synonym of Leptodius sanguineus
Xantho (Lophoxanthus) scaberrimus – synonym of Demania scaberrima
Xantho (Lophoxanthus) scaberrimus var. cultripes – synonym of Demania cultripes
Xantho (Lophoxanthus) scaberrinus baccalipes – synonym of Demania baccalipes
Xantho (Lophoxanthus) scaberrinus var. baccalipes – synonym of Demania baccalipes
Xantho (Xantho) impressus – synonym of Neoxanthias impressus
Xantho bidentatus – synonym of Lachnopodus bidentatus
Xantho cavipes – synonym of Zozymodes cavipes
Xantho crassimanus – synonym of Macromedaeus crassimanus
Xantho cultrimanus – synonym of Xanthias lamarcki
Xantho danae – synonym of Leptodius nudipes
Xantho dehaanii – synonym of Pilodius areolatus
Xantho demani – synonym of Lachnopodus subacutus
Xantho depressa – synonym of Forestia depressa
Xantho distinguendus – synonym of Macromedaeus distinguendus
Xantho exaratus var. crassimanus – synonym of Macromedaeus crassimanus
Xantho gracilis – synonym of Leptodius gracilis
Xantho granulosus – synonym of Platypodia granulosa
Xantho hirsutissimus – synonym of Actaeodes hirsutissimus
Xantho hydrophilus – synonym of Leptodius exaratus
Xantho impressus – synonym of Neoxanthias impressus
Xantho incisus – synonym of Lophozozymus incisus
Xantho laevidorsalis – synonym of Lachnopodus bidentatus
Xantho lamarckii – synonym of Xanthias lamarcki
Xantho lamelligera – synonym of Lophozozymus dodone
Xantho lividus – synonym of Xanthias lividus
Xantho macgillivrayi – synonym of Medaeops granulosus
Xantho nitidus – synonym of Lophozozymus dodone
Xantho notatus – synonym of Paraxanthias notatus
Xantho octodentatus – synonym of Lophozozymus pictor
Xantho punctatus – synonym of Xanthias punctatus
Xantho radiatus – synonym of Lophozozymus dodone
Xantho reynaudii – synonym of Demania reynaudi
Xantho reynaudii var. baccalipes – synonym of Demania baccalipes
Xantho reynaudii var. cultripes – synonym of Demania cultripes
Xantho rotundatus – synonym of Demania rotundata
Xantho rufopunctatus – synonym of Paractaea rufopunctata rufopunctata
Xantho sanguineus – synonym of Leptodius sanguineus
Xantho scaber – synonym of Forestia scabra
Xantho scaberrimus – synonym of Demania scaberrima
Xantho subacutus – synonym of Lachnopodus subacutus
Xantho truncata – synonym of Cycloxanthops truncatus
Xantho truncatus – synonym of Cycloxanthops truncatus
Xanthodes elegans – synonym of Xanthias elegans
Xanthodes granoso-palm – synonym of Xanthias lamarcki
Xanthodes lamarcki – synonym of Xanthias lamarcki
Xanthodes Lamarckii – synonym of Xanthias lamarcki
Xanthodes minutus – synonym of Xanthias latifrons
Xanthodes nitidulus – synonym of Xanthias tetraodon
Xanthodes notatus – synonym of Paraxanthias notatus
Xanthodes scaber – synonym of Forestia scabra
Xanthodius cristatus – synonym of Zozymodes pumilus
Xanthodius distinguendus – synonym of Macromedaeus distinguendus
Xenocarcinoides rostratus – synonym of Simocarcinus obtusirostris
Xenocarcinus alcocki – synonym of Xenocarcinus conicus
Xenocarcinus nakazawai – synonym of Xenocarcinus conicus
Xenophthalmus pinnoteroides – synonym of Xenophthalmus pinnotheroides
Xiphonectes longispinosus – synonym of Portunus longispinosus longispinosus