After Carroll, 1988, and Nelson, 1994, with Recent species from Froese & Pauly, 2001 [“The Fishbase”]

<==o Solenostomidae (kummitusneulat; ghost pipefishes)
   |-- †Solenorhynchus M. Eoc. Eu.
   |-- †Prosolenostomus lessinii M. Eoc. Eu.
   `--o Solenostomus ()? [3]
      |-- S. armatus Weber, 1913
      |-- S. cyanopterus Bleeker, 1854 (Ghost pipefish)
      `-- S. paradoxus (Pallas, 1770) (Harlequin ghost pipefish)

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