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

<==o Omobranchini [7/33]
   |--o Enchelyurus
   |  |-- E. ater (Günther, 1877) (Black blenny)
   |  `-- E. kraussi (Klunzinger, 1871) (Krauss' blenny)
   |-- Haplogenys [not recognized by the Fishbase]
   |-- Laiphognathus multimaculatus Smith, 1955 (Spotty blenny)
   |-- Oman ypsilon Springer, 1985 (Oman blenny)
   |--o Omobranchus [N: 20] [FB: 15]
   |  |-- O. anolius (Valenciennes, 1836)
   |  |-- O. banditus Smith, 1959 (Bandit blenny)
   |  |-- O. elegans (Steindachner, 1876)
   |  |-- O. elongatus (Peters, 1855) (Cloister blenny)
   |  |-- O. fasciolatoceps (Richardson, 1846)
   |  |-- O. fasciolatus (Valenciennes, 1836) (Arab blenny)
   |  |-- O. ferox (Herre, 1927) (Gossamer blenny)
   |  |-- O. loxozonus (Jordan & Starks, 1906)
   |  |-- O. mekranensis (Regan, 1905) (Mekran blenny)
   |  |-- O. meniscus Springer & Gomon, 1975
   |  |-- O. punctatus (Valenciennes, 1836) (Muzzled blenny)
   |  |-- O. robertsi Springer, 1981
   |  |--o O. rotundiceps (Macleay, 1881)
   |  |  |-- O. r. rotundiceps (Macleay, 1881)
   |  |  `-- O. r. obliquus (Garman, 1903)
   |  |-- O. woodi (Gilchrist & Thompson, 1908) (Kappie blenny)
   |  `-- O. zebra (Bleeker, 1868)
   |--o Omox
   |  |-- O. biporos Springer, 1972 (Omox blenny)
   |  `-- O. lupus Springer, 1981
   `--o Parenchelyrus
      |-- P. hepburni (Snyder, 1908) (Hepburn's blenny)
      `-- P. hyena (Whitley, 1953)

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