After Nelson, 1994, and Reis, 1998 (fig. 36), with Recent species from Froese & Pauly, 2001 [“The Fishbase”], and Finnish names from Rassi, 1997

<==o Callichthyidae (armored catfishes; panssarimonnit)
   |--o Callichthyinae (aitopanssarimonnit, haarniskamonnit)
   |  |?- Cataphractops [not recognized by the Fishbase, nor Reis, 1998]
   |  |--o Callichthys Scopoli, 1777 (aitopanssarimonnit)
   |  |  |-- C. callichthys (Linnaeus, 1758) (Cascarudo) (panssarimonni)
   |  |  `-- C. fabricioi Román-Valencia, Lehmann-A & Muñoz, 1999
   |  `--+--o Lepthoplosternum Reis, 1997
   |     |  |-- L. altamazonicum Reis, 1997 (perunhaarniskamonni)
   |     |  `--+-- L. tordilho Reis, 1997
   |     |     `--+-- L. stellatum Reis & Kaefer, 2005
   |     |        |-- L. ucamara Reis & Kaefer, 2005
   |     |        `--+-- L. beni Reis, 1997 (beninhaarniskamonni)
   |     |           `-- L. pectorale (Boulenger, 1895) [Hoplosternum pectorale (Boulenger, 1895)] (dwarf hoplo; pikkuhaaniskamonni)
   |     `--+--o Megalechis Reis, 1997 [taxonomic history]
   |        |  |-- M. thoracata (Valenciennes, 1840) (haarniskamonni) [taxonomic history]
   |        |  `-- M. picta (Müller & Troschel, 1848) (Spotted hoplo; pistehaarniskamonni) [taxonomic history]
   |        `--+--o Dianema Cope, 1871 (ritarimonnit)
   |           |  |-- D. longibarbis Cope, 1871 (Porthole catfish; ritarimonni, viiksimonni)
   |           |  `-- D. urostriatum (Miranda-Ribeiro, 1912) (Flagtail catfish; lippuritarimonni, lippumonni)
   |           `--o Hoplosternum Gill, 1858 (rantamonnit)
   |              |-- H. littorale (Hancock, 1828) (Hassar; rantamonni)
   |              |-- H. magdalenae Eigenmann, 1913 (Striped hoplo; pikkurantamonni)
   |              `-- H. punctatum Meek & Hildebrand, 1916 (panamanrantamonni)
   `--o Corydoradinae (monniset) [3/122]
      |-- Aspidoras Ihering, 1907 (soukkamonniset)
      `--+--o Brochis (vihermonniset)
         |  |-- B. britskii Nijssen & Isbrücker, 1983 (smaragdimonninen)
         |  |?- B. coeruleus
         |  |-- B. multiradiatus (Orces-Villagomes, 1960) (kuonovihermonninen)
         |  `-- B. splendens (Castelnau, 1855) (vihermonninen; Emerald catfish)
         `-- Corydoras [incl. Scleromystax; Microcorydoras] Mioc. R. SA. (panssarimonnit)

Reference(s):