After Aquino & Schaefer, 2002, Britski & Garavello, 2003, and Armbruster, 2004, with Recent species from Froese & Pauly, 2001 [“The FishBase”]

<==o Hypostominae Kner, 1853 [taxonomic history] (purjeimumonnit)
   |--o Corymbophanini Armbruster, 2004
   |  `--o Corymbophanes Eigenmann, 1909
   |     |-- C. andersoni Eigenmann, 1909
   |     `-- C. kaiei Armbruster & Sabaj, in Armbruster, Sabaj, Hardman, Page & Knouft, 2000
   `--+--o Rhinelepini Armbruster, 2004 [taxonomic history]
      |  |--o Pseudorinelepis Bleeker, 1862 [Canthopomus Eigenmann, 1910; Monistiancistrus Fowler, 1939]
      |  |  |?- P. agassizi (Steindachner, 1877) [P. agassizii (Steindachner, 1877)] [=? P. genibarbis (Valenciennes, 1840)]
      |  |  |?- P. carachama (Fowler, 1940) [Monistiancistrus carachama Fowler, 1939; Pseudorinelepis carachama (Fowler); Nijssen & Isbrücker, 1986; Hypostomus carachama (Fowler); Isbrücker, 1992; Pseudorinelepis carachama (Fowler); Armbruster & Page, 1997] [=? P. genibarbis (Valenciennes, 1840)]
      |  |  |?- P. pellegrini (Regan, 1904) [Plecostomus pellegrini; Pogonopoma pellegrini] [=? P. genibarbis (Valenciennes, 1840)]
      |  |  `-- P. genibarbis (Valenciennes, 1840)
      |  `--+--o Rhinelepis Valenciennes, 1826 (non Spix & Agassiz, 1829)
      |     |  |-- R. aspera Spix & Agassiz, 1829
      |     |  |-- R. paraguensis Borodin, 1927
      |     |  `-- R. strigosa Valenciennes, 1840
      |     `--o Pogonopoma Regan, 1904 sensu Quevedo & Reis, 2002 [Plecostomus Gronow, 1854; Pogonopomoides Gosline, 1947]
      |        |-- P. obscurum Quevedo & Reis, 2002
      |        `--+-- P. wertheimeri (Steindachner, 1867) [Plecostomus wertheimeri Steindachner, 1867]
      |           `-- P. parahybae (Steindachner, 1877) Quevedo & Reis, 2002 [Rhinelepis parahybae Steindachner, 1877; Pogonopomoides parahybae (Steindachner, 1877) Gosline, 1947]
      `--+-- Hypostomini Kner, 1853
         `--+-- Ancistrini Kner, 1853 [taxonomic history] (Bristled suckermouth catfishes; partamonnit)
            `-- Pterygoplichthini Armbruster, 2004

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