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Percopsiformes

The Percopsiformes are a small order of freshwater teleost fishes measuring less than 20 cm (7.9 in) in length, comprising the trout-perch and its allies. It contains just ten extant species, grouped into seven genera and three families. Five of these genera are monotypic.

Classification
Order Percopsiformes Berg 1937 • Genus †Lateopisciculus Murray & Wilson 1996 • Genus †Percopsiformorum [Otolith] • Suborder Percopsoidei Berg 1937 • Genus †Lindoeichthys (Late Cretaceous of Canada) • Family Percopsidae Regan 1911 [Percopsides Agassiz 1850; Erismatopteridae Jordan 1905 †Libotoniidae Grande, 1988] • Genus †Amphiplaga Cope 1877 • Genus †Erismatopterus Cope 1870 • Genus †Libotonius Wilson 1977 • Genus †Massamorichthys Murray 1996 • Genus Percopsis Agassiz 1849 [Columbia Eigenmann & Eigenmann 1892 non Rang 1834; Columatilla Whitley 1940; Salmoperca Thompson 1850] • Suborder Aphredoderoidei Berg 1937 [Amblyopsoidei Regan 1911; Aphredoderoidea; Amblyopsoidea] • Family Aphredoderidae Bonaparte 1832 (Pirate perches) • Genus Aphredoderus Lesueur 1833 ex Cuvier & Valenciennes 1833 [Sternotremia Nelson 1876; Asternotremia Nelson ex Jordan 1877] • Family Amblyopsidae Bonaparte 1832 [Hypsaeidae Storer 1846] (Cavefishes) • Genus Typhlichthys Girard 1859 (Southern cavefish) • Genus Speoplatyrhinus Cooper & Kuehne 1974 (Alabama cavefish) • Genus Forbesichthys Jordan 1929 [Forbesella Jordan & Evermann 1927 non Herdman 1891 non Lacaze-Duthiers & Delage 1892] (Spring cavefish) • Genus Chologaster Agassiz 1853 (Swampfish) • Genus Amblyopsis de Kay 1842 [Poecilosomus Swainson 1839] • Genus Troglichthys Eigenmann 1899 (Ozark cavefish) ==References==
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