Species that contain: Corydoras and paleatus [ 7 ] records

maculatus, Corydoras Steindachner [F.] 1879:32 [Anzeiger der Kaiserlichen Akademie der Wissenschaften, Wien, Mathematisch-Naturwissenschaftliche Classe v. 16 (no. 4); ref. 20480] La Plata [river], Argentina. Type catalog: Ferraris 2007:122 [ref. 29155]. No types known, and species not included in subsequent detailed work (Steindachner 1879 [ref. 4228]), but may be referable to Corydoras marmoratus found in main work [ref. 4228] but not abstract [ref. 20480]. Original entry as "Corydoras maculatus Steind. = Coryd. (Callichthys) punctatus Valenc. partim, nec. Bloch.". Probably later described as "Corydoras marmoratus n. sp.? (an. Coryd. punctatus sp. Bloch, var. argentina Steind.)". See also Nijssen & Isbrücker 1980:204 [ref. 6910], Grant 2018:28 [ref. 36057]. •Doubtful species -- (Isbrücker 2001:229 [ref. 26805]). •Synonym of Corydoras paleatus (Jenyns 1842) -- (Nijssen & Isbrücker 1980:204 [ref. 6910], Reis in Reis et al. 2003:301 [ref. 27061], Ferraris 2007:122 [ref. 29155], Litz & Koerber 2014:23 [ref. 33622], Grant 2018:26 [ref. 36057]). •Not a synonym of Corydoras paleatus (Jenyns 1842) -- (Tencatt et al. 2016:[10] [ref. 34388]). Replacement Name. Current status: Synonym of Corydoras paleatus (Jenyns 1842). Callichthyidae: Corydoradinae. Habitat: freshwater.

marmoratus, Corydoras Steindachner [F.] 1879:26, Pl. 5 (fig. 1) [Denkschriften der Kaiserlichen Akademie der Wissenschaften in Wien, Mathematisch-Naturwissenschaftliche Classe. v. 41; ref. 4228] Buenos Aires, Argentina. Lectotype: NMW 5538 [ex NMW 47258]. Paralectotypes: NMW 47258 (2), 46775-77 (2, 1, 2); ZMA 110477-78 (1, 1). Type catalog: Nijssen et al. 1982:46 [ref. 19236], Ferraris 2007:122 [ref. 29155]. See Tencatt et al. 2016:[10] [ref. 34388] for comments on the type material. Species not included in earlier abstract [ref. 20480]. Originally described as "Corydoras marmoratus n. sp.? (an. Coryd. punctatus sp. Bloch, var. argentina Steind.)"; may correspond to Corydoras maculatus of abstract. See also Grant 2018:28 [ref. 36057]. Lectotype selected by Nijssen & Isbrücker 1980:204 [ref. 6910]. •Status uncertain -- (Isbrücker 2001:229 [ref. 26805]). •Synonym of Corydoras paleatus (Jenyns 1842) -- (Nijssen & Isbrücker 1980:204 [ref. 6910], Reis in Reis et al. 2003:301 [ref. 27061], Ferraris 2007:122 [ref. 29155], Litz & Koerber 2014:23 [ref. 33622], Mirande & Koerber 2015:40 [ref. 35117], Tencatt et al. 2016:[3] [ref. 34388], Grant 2018:28 [ref. 36057]). Current status: Synonym of Corydoras paleatus (Jenyns 1842). Callichthyidae: Corydoradinae. Habitat: freshwater.

microcephalus, Corydoras Regan [C. T.] 1912:211 [Annals and Magazine of Natural History (Series 8) v. 10 (no. 56); ref. 14865] La Plata, Buenos Aires, Argentina. Lectotype: BMNH 1890.3.12.4. Paralectotypes: BMNH 1890.3.12.5-6 (3). Type catalog: Ferraris 2007:122 [ref. 29155]. Lectotype selected by Nijssen & Isbrücker 1980:204 [ref. 6910]. •Synonym of Corydoras paleatus (Jenyns 1842) -- (Nijssen & Isbrücker 1980:204 [ref. 6910], Reis in Reis et al. 2003:301 [ref. 27061], Ferraris 2007:122 [ref. 29155], Mirande & Koerber 2015:40 [ref. 35117]). •Doubtful species -- (Isbrücker 2001:230 [ref. 26805]). •Valid as Corydoras microcephalus Regan 1912 -- (Knaack 2007:29 [ref. 29220], Tencatt et al. 2016:[10] [ref. 34388]). Current status: Valid as Corydoras microcephalus Regan 1912. Callichthyidae: Corydoradinae. Distribution: Argentina. Habitat: freshwater.

paleatus, Callichthys Jenyns [L.] 1842:113 [The zoology of the voyage of H. M. S. Beagle; ref. 2344] Laguna del Potrero, Maldonado, Uruguay, 34°50'28"S, 55°08'43"W. Lectotype: BMNH 1917.7.14.18 [ex Cambridge Mus.]. Paralectotypes: BMNH 1917.7.14.19 and 19a [ex Cambridge Mus.] (2) South America. Type catalog: Ferraris 2007:122 [ref. 29155]. Lectotype selected by Nijssen & Isbrücker 1980:204 [ref. 6910]. But Knaack 2007:23 [ref. 29220] regarded BMNH 1917.1.14.18 as not the lectotype, finding the lectotype to be lost; he selected BMNH 1917.7.14.19 as the neotype (following Art. 75). Knaack 2008:15 [ref. 29618] retracted his neotype designation and supported the lectotype designation by Nijssen & Isbrücker. Callichthys punctatus Valenciennes 1834 is the senior synonym of C. paleatus Jenyns 1842, but C. paleatus is a nomen protectum when in Corydoras due to secondary homonymy of C. punctatus (see Grant 2018:26 [ref. 36057]). Comments on type locality by Calvino 2020:60 [ref. 38040]. •Valid as Corydoras paleatus (Jenyns 1842) -- (Nijssen & Isbrücker 1980:204 [ref. 6910], Malabarba 1989:147 [ref. 14217], Burgess 1989:366 [ref. 12860], Gómez & Chebez 1996:62 [ref. 23791], Haro et al. 1996:6 [ref. 25004], Sverlij et al. 1998:64 [ref. 27632], Britski et al. 1999:126 [ref. 24147], Britto et al. 2002:735 [ref. 26546], Isbrücker 2001:232 [ref. 26805], Reis in Reis et al. 2003:301 [ref. 27061], López et al. 2003:43 [ref. 27366], Axenrot & Kullander 2003:265 [ref. 27393], Britto & Lima 2003:89 [ref. 27314], Shimabukuro-Dias et al. 2004:141 [ref. 27796], Menni 2004:82 [ref. 28131], Knaack 2007:23 [ref. 29220], Knaack 2007:23 [ref. 29220], Knaack 2007:36 [ref. 29221], Ferraris 2007:122 [ref. 29155], Calviño & Alonso 2010:200 [ref. 30829], Mabragaña et al. 2011:table S2 [ref. 31800], Tencatt et al. 2014:78 [ref. 33230], Tencatt et al. 2014:91 [ref. 33232], Fabiano et al. 2014:8 [ref. 33530], Litz & Koerber 2014:23 [ref. 33622], Sarmiento et al. 2014:190 [ref. 35004], Mirande & Koerber 2015:40 [ref. 35117], Tencatt & Pavanelli 2015:294 [ref. 35434], Tencatt & Ohara 2016:[13] [ref. 34353], Tencatt & Evers 2016:[11] [ref. 34387], Tencatt et al. 2016:[3] [ref. 34388], Ottoni et al. 2016:133 [ref. 34756], Bertaco et al. 2016:416 [ref. 34561], Koerber & Litz 2016:5 [ref. 35098], Nión et al. 2016:31 [ref. 35565], Koerber et al. 2017:6 [ref. 35083], Koerber et al. 2017:7 [ref. 35632], Grant 2018:26 [ref. 36057], Koerber et al. 2019:7 [ref. 36736], Calvino 2020:60 [ref. 38040], Koerber et al. 2020:5 [ref. 37480], Lima & Britto 2020:528 [ref. 37324], Koerber et al. 2021:6 [ref. 38894], Giora & Wingert 2023:62 [ref. 41026], Koerber et al. 2023:6 [ref. 40355], Loureiro et al. 2023:94 [ref. 40506]). Current status: Valid as Corydoras paleatus (Jenyns 1842). Callichthyidae: Corydoradinae. Distribution: South America: lower Paraná River basin and coastal rivers (southern Brazil, Bolivia, Uruguay and Argentina). Habitat: freshwater.

punctatus, Callichthis Valenciennes [A.] 1834:Pl. 5 (fig. 1) [Voyage dans l'Amérique méridionale; ref. 20720] Probably around Montevideo (Valenciennes 1840). Holotype not preserved. Genus should have been Callichthys (see Grant 2018:26 [ref. 36057]). Secondary homonym of Cataphractus punctatus Bloch 1794 when in Corydoras. Name available from plate, description in Valenciennes 1847:8 [ref. 5010] as Callichthys punctatus. See also Valenciennes in Cuvier & Valenciennes 1840:318 [ref. 1008]. Holotype is the specimen illustrated on Pl. 5, which was published in 1834. •Synonym of Corydoras paleatus (Jenyns 1842) or Corydoras geoffroy Lacepède 1803 -- (Isbrücker 1999:38 [ref. 24040]). •Senior synonym of Corydoras paleatus (Jenyns 1842) and nomen oblitum -- (Grant 2018:26 [ref. 36057]). Nomen Oblitum. Current status: Synonym of Corydoras paleatus (Jenyns 1842). Callichthyidae: Callichthyinae. Habitat: freshwater.

quadricostatus, Silurus Larrañaga [D. A.] 1923:376 [Escritos de Don Dámaso Antonio Larrañaga v. 2; ref. 22561] Uruguay. No types known. Type catalog: Ferraris 2007:122 [ref. 29155]. Corresponds to Silurus 7-radiatus on p. 385. Appeared as Silurus 7-radiatus vel quadricostatum in Devincenzi 1925: 322, 307 [ref. 20322]; Devincenzi treated as a synonym of Corydoras paleatus (Jenyns 1842). •Doubtful synonym of Corydoras paleatus (Jenyns 1842) -- (Isbrücker 2001:232 [ref. 26805]). •Synonym of Corydoras paleatus (Jenyns 1842) -- (Reis in Reis et al. 2003:301 [ref. 27061], Ferraris 2007:122 [ref. 29155], Litz & Koerber 2014:23 [ref. 33622], Mirande & Koerber 2015:40 [ref. 35117]). •Not a synonym of Corydoras paleatus (Jenyns 1842) -- (Tencatt et al. 2016:[10] [ref. 34388]). •Nomen dubium in genus Corydoras – (Grant 2018:28 [ref. 36057]). Nomen Dubium. Callichthyidae: Corydoradinae. Habitat: freshwater.

septemradiatus, Silurus Larrañaga [D. A.] 1923:385 [Escritos de Don Dámaso Antonio Larrañaga v. 2; ref. 22561] Uruguay. Originally as Silurus 7-radiatus; corresponds to Silurus quadricostatus on p. 376. Appeared as Silurus 7-radiatus vel quadricostatum in Devincenzi 1925: 322, 307 [ref. 20322]; Devincenzi treated as a synonym of Corydoras paleatus (Jenyns 1842). •Doubtful synonym of Corydoras paleatus (Jenyns 1842) -- (Isbrücker 2001:232 [ref. 26805]). •Synonym of Corydoras paleatus (Jenyns 1842) -- (Reis in Reis et al. 2003:301 [ref. 27061], Litz & Koerber 2014:23 [ref. 33622], Mirande & Koerber 2015:40 [ref. 35117]). •Not a synonym of Corydoras paleatus (Jenyns 1842) -- (Tencatt et al. 2016:[10] [ref. 34388]). •Nomen dubium in genus Corydoras – (Grant 2018:28 [ref. 36057]). Nomen Dubium. Callichthyidae: Corydoradinae. Habitat: freshwater.