After Nelson, 1994, Sparks, Dunlap & Smith, 2005, and Chakrabarty & Sparks, 2007, with Recent species from Froese & Pauly, 2001 [“The Fishbase”]

<==o Leiognathidae [Equulidae] (lima-ahvenet) [N: 3/24] [FB: 3/32]
   |--+?- “Leiognathus” longispinis [= Leiognathus smithursti (Ramsay & Ogilby, 1886)] (Smithurst's ponyfish)
   |  `--o “Leiognathus” fasciatus -group
   |     |-- “Leiognathus” fasciatus (Lacepède, 1803) (Striped ponyfish)
   |     `--+-- “Leiognathus” sp. “Singapore”
   |        `-- “Leiognathus” sp. “Madagascar”
   `--+--o Leiognathus equulus -group [Leiognathus Lacepède, 1802 sensu stricto]
      |  |-- Leiognathus equulus (Forsskål, 1775) (Common ponyfish)
      |  `--+-- Leiognathus sp. “Fiji”
      |     `-- Leiognathus robustus
      `--+-- “Leiognathus” sp. “Sri Lanka”
         `--+--+--o “Leiognathus” -group G sensu Sparks et al., 2005
            |  |  |-- “Leiognathus” dussumieri (Valenciennes, 1835) (Dussumier's ponyfish)
            |  |  `--+-- “Leiognathus” sp. cf. N. daura [“Sri Lanka L1”]
            |  |     |-- “Leiognathus” daura (Cuvier, 1829) “Sri Lanka L28” (Goldstripe ponyfish)
            |  |     `--o Nuchequula Whitley, 1932 sensu Chakrabarty & Sparks, 2007 [taxonomic history]
            |  |        |?- N. sp. “Philippines” (Sparks et al., 2005)
            |  |        |-- N. decora (De Vis, 1884) [taxonomic history] (Decorated ponyfish)
            |  |        `--+-- N. mannusella Chakrabarty & Sparks, 2007
            |  |           `--+-- N. blochii (Valenciennes in Cuvier & Valenciennes, 1835) [taxonomic history] (Twoblotch ponyfish)
            |  |              `--+-- N. pan (Wongratana, 1988) [taxonomic history]
            |  |                 `-- N. nuchalis (Temminck & Schlegel, 1845) [taxonomic history]
            |  `--o Photoplagios Sparks, Dunlap & Smith, 2005 [taxonomic history]
            |     |?- ?P. klunzingeri (Steindachner, 1898) [taxonomic history]
            |     |--+--+?- P. moretoniensis (Ogilby, 1912) [taxonomic history] (Moreton Bay ponyfish)
            |     |  |  `-- P. stercorarius (Evermann & Seale, 1907) [taxonomic history] (Oblong slipmouth)
            |     |  `--+-- P. sp. “Madagascar”
            |     |     `-- P. lineolatus (Valenciennes, 1835) [taxonomic history] (Ornate ponyfish)
            |     `--+-- P. elongatus (Günther, 1874) [taxonomic history] (Slender ponyfish)
            |        `--+-- P. rivulatus (Temminck & Schlegel, 1845) [taxonomic history]
            |           `--+?- P. parviceps Valenciennes, in Cuvier & Valenciennes, 1835 [taxonomic history]
            |              `-- P. leuciscus (Günther, 1860) [taxonomic history] (Whipfin ponyfish)
            `--+--o Secutor [N: 3] [FB: 6]
               |  |?- S. interruptus (Valenciennes, 1835)
               |  |--+-- S. hanedai Mochizuki & Hayashi, 1989
               |  |  |-- S. megalolepis Mochizuki & Hayashi, 1989
               |  |  |-- S. sp. “Philippines”
               |  |  `?- S. ruconius (Hamilton, 1822) (Deep pugnose ponyfish)
               |  `--+-- S. sp. “Madagascar”
               |     `--+?- S. insidiator (Bloch, 1787) (Pugnose ponyfish)
               |        `-- S. indicius Monkolprasit, 1973
               `--+--o Gazza [N: 2] [FB: 3]
                  |  |?- G. rhombea
                  |  |--+-- G. dentex (Valenciennes, 1835) (Ovoid toothpony)
                  |  |  |-- G. sp. “Fiji”
                  |  |  `-- G. achlamys Jordan & Starks, 1917 (Smalltoothed ponyfish)
                  |  `--+-- G. squamiventralis
                  |     `--+-- G. sp. “Madagascar”
                  |        `-- G. minuta (Bloch, 1795) (Toothpony)
                  `--+--o “Leiognathus” -group H
                     |  |-- “L.” philippinus
                     |  `-- “L.” splendens (Cuvier, 1829) (Splendid ponyfish)
                     `--o Photopectoralis Sparks, Dunlap & Smith, 2005 [Leiognathus in partim]
                        |?- P. hataii (Abe & Haneda, 1972) [Leiognathus hataii Abe & Haneda, 1972] (Hatai's ponyfish)
                        |-- P. aureus (Abe & Haneda, 1972) [Leiognathus aureus Abe & Haneda, 1972] (Golden ponyfish)
                        `--+-- P. bindus (Valenciennes, 1835) [Leiognathus bindus (Valenciennes, 1835)] (Orangefin ponyfish)
                           `--+-- P. sp. “East China Sea”
                              `-- P. panayensis (Kimura & Dunlap, in Kimura et al., 2003) [Leiognathus panayensis Kimura & Dunlap, in Kimura et al., 2003]

Leiognathus -species not treated or listed by Sparks, Dunlap & Smith, 2005, or Chakrabarty & Sparks, 2007

    Leiognathus [Equula] Olig. Mioc. Eu. R. Oc.
        †L. altapinnus
        L. berbis (Valenciennes, 1835) (Berber ponyfish)
        L. brevirostris (Valenciennes, 1835) (Shortnose ponyfish)
        L. edwardsi Evermann & Seale, 1907
        L. rapsoni Munro, 1964 (Rapson's ponyfish)

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