Oxymormyrus boulengeri – synonym of Mormyrops boulengeri
Oxyrhynchus anguilloides – synonym of Mormyrops anguilloides
Oxyrhynchus attenuatus – synonym of Mormyrops attenuatus
Oxyrhynchus bachrachi – synonym of Mormyrops caballus
Oxyrhynchus batesianus – synonym of Mormyrops batesianus
Oxyrhynchus breviceps – synonym of Mormyrops breviceps
Oxyrhynchus caballus – synonym of Mormyrops caballus
Oxyrhynchus curtus – synonym of Mormyrops curtus
Oxyrhynchus deliciosus – synonym of Mormyrops anguilloides
Oxyrhynchus elongatus – synonym of Mormyrops breviceps
Oxyrhynchus engystoma – synonym of Mormyrops engystoma
Oxyrhynchus lineolatus – synonym of Mormyrops lineolatus
Oxyrhynchus longiceps – synonym of Mormyrops anguilloides
Oxyrhynchus mariae – synonym of Mormyrops mariae
Oxyrhynchus masuianus – synonym of Mormyrops masuianus
Oxyrhynchus microstoma – synonym of Mormyrops microstoma
Oxyrhynchus nigricans – synonym of Mormyrops nigricans
Oxyrhynchus oudoti – synonym of Mormyrops oudoti
Oxyrhynchus parvus – synonym of Mormyrops parvus
Oxyrhynchus sirenoides – synonym of Mormyrops sirenoides
Oxyrhynchus zanclirostris – synonym of Mormyrops zanclirostris