After Brito, 1997, with species from Wikipedia and Paleobiology database

<==o †Aspidorhynchiformes Bleeker, 1859
   `--o †Aspidorhynchidae Bleeker, 1859 [non Nicholson & Lydekker, 1889?]
      |--o †Aspidorhynchus M.-L.Jur. Eu. Ant., Cret. SAm.
      |  |-- †A. antarcticus Richter & Thomson, 1989; L.Jur. Ant.
      |  |-- †A. acutirostris Blainville, 1818
      |  |-- †A. crassus Woodward, 1890
      |  |-- †A. euodus Egerton, 1845
      |  |-- †A. fisheri Egerton, 1854
      |  `-- †A. sanzenbacheri Brito & Ebert, 2009
      `--+--o †Belonostomus Agassiz, 1834 [Belonostmus; Dichelospondylus; Hemirhynchus; Ophirachis; Vinctifer] L.Jur.-L.Cret. Eu., E.-L.Cret. NAm. As. SAm. Aust., L.Cret. NAf.
         |  |?- †B. acutus
         |  |-- †B. aciculiferus Nessov, 1985
         |  |-- †B. carinatus Mawson & Woodward, 1907
         |  |?- †B. crassirostris
         |  |-- †B. indicus Lydekker 1890
         |  |-- †B. longirostris (Lambe, 1902) [Diphyodus longirostris Lambe, 1902]
         |  |-- †B. munsteri [B. münsteri]
         |  `-- †B. tenuirostris Agassiz, 1835
         `--o †Vinctifer Silva Santos, 1972; E.Cret. SAm.
            |-- †V. comptoni (Agassiz, 1841) [Aspidorhynchus comptoni; Belanostomus (Aspidorhynchus) comptoni Woodward, 1890]
            |-- †V. longirostris Silva Santos, 1972
            `?- †V. punctatus

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