After Monsch, Fierstine & Weems, 2005, and Fierstine & Starnes, 2005

Xiphiorhynchus van Beneden, 1871
        †Histiophorus Cuvier, 1832; Woodward, 1901
        †Istiophorus; Fierstine, 1978
        †Tetrapturus; Monsch, 2000
        ?†Makaira; Fierstine, 2001
      including:
        ?OmmatolampesXiphiorhynchus aegypticus Weiler, 1929

        †Xiphiorhynchus elegans van Beneden, 1871

        †Xiphiorhynchus eocaenicus (Woodward, 1901)
            †Histiophorus eocaenicus Woodward, 1901
            ?†Istiophorus eocaenicus (Woodward); Fierstine, 1978
            ?†Xiphiophorus priscus (Agassiz, 1834); Schultz, 1987
            †Xiphiorhynchus eocaenicus (Woodward); Monsch, Fierstine & Weems, 2005
            †Xiphiorhynchus eocaenicus (Woodward); Fierstine & Starnes, 2005

        †Xiphiorhynchus kimblalocki Fierstine & Applegate, 1974

        †Xiphiorhynchus parvus Casier, 1966

        †Xiphiorhynchus priscus (Agassiz, 1834)

        †Xiphiorhynchus rupeliensis (Leriche, 1909)

        †Xiphiorhynchus rotundus (Woodward, 1901)
            †Histiophorus rotundus Woodward, 1901
            †Histiophorus rotundus Woodward; Leriche, 1942
            †Istiophorus rotundus (Woodward); Fierstine, 1978
            †Xiphiorhynchus rotundus (Woodward); Schultz, 1987
            †Tetrapturus rotundus (Woodward); Monsch, 2000
            ?†Makaira rotundus (Woodward); Fierstine, 2001
            †Xiphiorhynchus rotundus (Woodward); Monsch, Fierstine & Weems, 2005

        ?†Xiphiorhynchus homalorhamphus (Cope, 1869) [nomen dubium, type lost]

        ?†Xiphiorhynchus hungaricus Weiler, 1943 [nomen dubium, type lost]


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