After Armbruster, 2004, with species from Froese & Pauly, 2001 [“The Fishbase”]

<==o Ancistrini Kner, 1853 (Bristled suckermouth catfishes; partamonnit)
   |-- Hemiancistrus sp. [Brazil]
   `--+-- “Hemiachistrus” landoni Eigenmann, 1916
      |--+-- Pleckoltia oligospila (Günther, 1864)
      |  |-- Pleckoltia sp. “Big Spot”
      |  |-- Hemiancistrus sp.
      |  `--+--o Hypancistrus Isbrücker & Nijssen, 1991
      |     |  |-- H. zebra Isbrücker & Nijssen, 1991 (seepraimumonni)
      |     |  |-- H. inspector Armbruster, 2002
      |     |  |-- H. contradens Armbruster, Lujan & Taphorn, 2007
      |     |  |-- H. debilittera Armbruster, Lujan & Taphorn, 2007
      |     |  |-- H. furunculus Armbruster, Lujan & Taphorn, 2007
      |     |  `-- H. lunaorum Armbruster, Lujan & Taphorn, 2007
      |     |--+--o Parancistrus Castelnau, 1855 [Acanthodemus Marschall, 1873]
      |     |  |  |-- P. aurantiacus (Castelnau, 1855)
      |     |  |  `?- P. longipinnis (Kindle, 1895)
      |     |  `--+--+-- Pleckoltia sp. 1.
      |     |     |  `-- Pleckoltia sp. 2.
      |     |     `--+-- Pleckoltia ucayalensis (Fowler, 1940)
      |     |        `--+--+-- Panaque nigrolineatus (Peters, 1877) (Royal Panaque)
      |     |           |  `--o Scobinancistrus Isbrücker & Nijssen, 1989
      |     |           |     |?- S. aureatus Burgess, 1994
      |     |           |     `-- S. pariolispos Isbrücker & Nijssen, 1989
      |     |           `--o Panaque Eigenmann & Eigenmann, 1889 [Panaquolus Isbrücker & Schraml, 2001]
      |     |              |-- P. albomaculatus Kanazawa, 1958
      |     |              |?- P. cochliodon (Steindachner, 1879)
      |     |              |?- P. dentex (Günther, 1868)
      |     |              |?- P. gnomus Schaefer & Stewart, 1993 (Dwarf Panaque)
      |     |              |-- P. maccus Schaefer & Stewart, 1993 (Clown Panaque)
      |     |              |?- P. nocturnus Schaefer & Stewart, 1993 (Dusky Panaque)
      |     |              |?- P. purusiensis La Monte, 1935
      |     |              `?- P. suttoni Schultz, 1944 (Blue-eye panaque)
      |     `--+--o Spectracanthicus Nijssen & Isbrücker, 1986 [Oligancistrus Rapp Py-Daniel, 1989]
      |        |  |-- S. punctatissimus (Steindachner, 1881) Armbruster, 2004 [Oligancistrus punctatissimus (Steindachner, 1881)]
      |        |  `-- S. murinus Nijssen & Isbrücker, 1986
      |        `--+--o Leporacanthicus Isbrücker & Nijssen, 1989
      |           |  |-- L. galaxias Isbrücker & Nijssen, 1989
      |           |  |?- L. heterodon Isbrücker & Nijssen, 1989
      |           |  |?- L. joselimai Isbrücker & Nijssen, 1989
      |           |  `?- L. triactis Isbrücker, Nijssen & Nico, 1992
      |           `--+--o Pseudacanthicus Bleeker, 1862 [Stoniella Fowler, 1914]
      |              |  |?- P. fordii (Günther, 1868)
      |              |  |?- P. histrix (Valenciennes, 1840)
      |              |  |-- P. leopardus (Fowler, 1914)
      |              |  |?- P. serratus (Valenciennes, 1840)
      |              |  `?- P. spinosus (Castelnau, 1855)
      |              `--+--o Megalancistrus  Isbrücker, 1980
      |                 |  |?- M. aculeatus (Perugia, 1891)
      |                 |  |?- M. barrae (Steindachner, 1910)
      |                 |  `-- m. gigas
      |                 `--o Acanthicus Spix & Agassiz, 1829
      |                    |-- A. adonis Isbrücker & Njissen, 1988
      |                    `-- A. hystrix Spix & Agassiz, 1829
      `--+-- Baryancistrus niveatus (Castelnau, 1855) Repp Py-Daniel, 1989
         `--+--o Pseudancistrus Bleeker, 1862 [Guyancistrus Isbrücker, 2001; Lithoxancistrus  Isbrücker, Njissen & Cala, 1988]
            |  |?- P. coquenani (Steindachner, 1915)
            |  |?- P. depressus (Günther, 1868)
            |  |?- P. guentheri (Regan, 1904)
            |  |?- P. luderwaldti Miranda-Ribeiro, 1918
            |  |?- P. nigrescens Eigenmann, 1912
            |  |-- P. megacephalus (Günther, 1868) [Hemiancistrus megacephalus (Günther, 1868)]
            |  |-- P. brevipinnis [Guyancistrus brevipinnis]
            |  |-- P. sp. “Gold Spot”
            |  `--+-- P. orinoco (Isbrücker, Nijssen & Cala, 1988) [Lithoxancistrus orinoco Isbrücker, Nijssen & Cala, 1988]
            |     `--+-- P. sp.
            |        `-- P. barbatus (Valenciennes, 1840) (Bearded catfish)
            `--+--o Neblinichthys Ferraris, Isbrücker & Nijssen, 1986
               |  |-- N. pilosus Ferraris, Isbrücker & Nijssen, 1986
               |  `-- N. roraima Provenzano, Lasso & Ponte, 1995
               |--o Dekeyseria Repp Py-Daniel, 1985 [Zonancistrus Isbrücker, 2001]
               |  |?- D. amazonica Rapp Py-Daniel, 1985
               |  |?- D. brachyura (Kner, 1854)
               |  |?- D. niveata (La Monte, 1929)
               |  |?- D. picta (Kner, 1854)
               |  |-- D. pulcher (Steindachner, 1915)
               |  `-- D. scaphirhyncha (Kner, 1854)
               |--+-- Pseudolithoxus anthrax Isbrücker & Werner, 2001
               |  `--+-- Ancistrus Kner, 1854 [Xenocara Regan, 1904; Thysanocara Regan, 1906; Pristiancistrus Fowler, 1945] (partamonnit; bearded armored suckermouth catfishes)
               |     `-- Lasiancistrus Regan, 1904
               `--+--+--o Exastilithoxus Isbrücker & Nijssen, 1979
                  |  |  |-- E. fimbriatus (Steindachner, 1915)
                  |  |  `-- E. hoedemani Isbrücker & Nijssen, 1985
                  |  `--o Lithoxus Eigenmann, 1909 [paralithoxus Boeseman, 1982]
                  |     |?- L. boujardi Muller & Isbrücker, 1993
                  |     |-- L. bovallii (Regan, 1906)
                  |     |-- L. lithoides Eigenmann, 1910
                  |     |?- L. pallidimaculatus Boeseman, 1982
                  |     |?- L. planquettei Boeseman, 1982
                  |     |?- L. stocki Nijssen & Isbrücker, 1990
                  |     `?- L. surinamensis Boeseman, 1982
                  `--+--o CordylancistrusIsbrücker, 1980
                     |  |?- C. perijae Perez & Provenzano, 1996
                     |  `-- C. torbesensis (Schultz, 1944)
                     `--+-- Chaetostoma Tschudi, 1845 [Hypocolpterus Fowler, 1943; Lipopterichthys Norman, 1935]
                        `--+-- Leptoancistrus canensis (Meek & Hildebrand, 1913)
                           `--o Dolichancistrus Isbrücker, 1980
                              |?- D. atratoensis (Dahl, 1960)
                              |-- D. cobrensis (Schultz, 1944)
                              `-- D. pediculatus (Eigenmann, 1918)

Loricariidae: Hypostominae: Ancistrini -species not treated by Armbruster (2004):

    Hemiancistrus Bleeker, 1862 [Ancistomus Isbrücker & Seidel]
        H. annectens (Regan, 1904)
        H. aspidolepis (Günther, 1867)
        H. braueri Eigenmann, 1912
        H. chlorostictus Cardoso & Malabarba, 1999
        H. fugleri Ovchynnyk, 1971
        H. fuliginosus Cardoso & Malabarba, 1999
        H. hammarlundi Rendahl, 1937
        H. holostictus Regan, 1913
        H. itacua (Valenciennes, 1836)
        H. macrops (Lütken, 1874)
        H. maracaiboensis Schultz, 1944
        H. medians (Kner, 1854)
        H. platycephalus (Boulenger, 1898)
        H. punctulatus Cardoso & Malabarba, 1999
        H. wilsoni Eigenmann, 1918
    Hopliancistrus tricornis Isbrücker & Nijssen, 1989
    Lipopterichthys carrioni Norman, 1935
    Peckoltia Miranda Ribeiro, 1912 [Sophiancistrus Isbrücker & Seidel, 2001]
        P. albocincta (Ahl, 1936)
        P. arenaria (Eigenmann & Allen, 1942)
        P. bachi (Boulenger, 1898)
        P. brevis (La Monte, 1935)
        P. filicaudata (Miranda-Ribeiro, 1917)
        P. furcata (Fowler, 1940)
        P. kuhlmanni (Miranda-Ribeiro, 1920)
        P. salgadae (Fowler, 1941)
        P. vermiculata (Steindachner, 1908)
        P. vittata (Steindachner, 1881)
        P. yaravi (Steindachner, 1915)

Reference(s):