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CAS 56510 (IU 15433) Apteronotus anas Eigenmann [C. H.] & Allen [W. R.], 1942 Holotype  [Collection database record]
anas, Apteronotus Eigenmann [C. H.] & Allen [W. R.] 1942:321, Pl. 15 (fig. 1) [Fishes of western South America; ref. 1246] Iquitos, Amazon system, Peru. Holotype (unique): CAS 56510 [ex IU 15433]. Type catalog: Ferraris et al. 2017:[9] [ref. 35236]. •Valid as Apteronotus anas Eigenmann & Allen 1942 -- (Ortega & Vari 1986:12 [ref. 9708], Mago-Leccia 1994:28 [ref. 21320], Albert & Campos-da-Paz 1998:432 [ref. 23853] but genus uncertain). •Synonym of Apteronotus hasemani Ellis 1913 -- (Cox Fernandes et al. 2002:57 [ref. 25889]). •Synonym of Parapteronotus bonapartii (Castelnau 1855) -- (Triques 2007:84 [ref. 29060]). •Synonym of Parapteronotus hasemani (Ellis 1913) -- (Albert in Reis et al. 2003:499 [ref. 27061], Ferraris et al. 2017:[9] [ref. 35236]). Current status: Synonym of Parapteronotus hasemani (Ellis 1913). Apteronotidae: Apteronotinae. Habitat: freshwater.
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© 2001 California Academy of Sciences

CAS 72115 Apteronotus eschmeyeri de Santana [C. D.], Maldonado-Ocampo [J. A.], Severi [W.] & Mendes [G. N.], 2004 Holotype  [Collection database record]
eschmeyeri, Apteronotus de Santana [C. D.], Maldonado-Ocampo [J. A.], Severi [W.] & Mendes [G. N.] 2004:3, Figs. 1-2 [Zootaxa No. 410; ref. 27412] Rio Magdalena Basin, Las Juntas de Apulo, Rio Bogotá along railway between Girardot and Facatativa, Departamento Cundinamarca, Colombia. Holotype: CAS 72115 (IU 13377). Paratypes: FMNH 56775-76 (2, 1); IAVHP 3304 (8); ICN-MHN 6741 (3); IMCN 2000 (3); USNM 120473 (1). Type catalog: DoNascimiento et al. 2016:403 [ref. 34787], Ferraris et al. 2017:[7] [ref. 35236], Mojica & Agudelo-Zamora 2018:6 [ref. 36127]. •Valid as Apteronotus eschmeyeri de Santana, Maldonado-Ocampo, Severi & Mendes 2004 -- (de Santana & Maldonado-Ocampo 2005:227 [ref. 28331], de Santana & Crampton 2006:115 [ref. 28765], Triques 2011:301 [ref. 31671], de Santana & Cox Fernandes 2012:284 [ref. 32053], de Santana & Vari 2013:593 [ref. 32777], Ferraris et al. 2017:[7] [ref. 35236], DoNascimiento et al. 2017:67 [ref. 35633]). Current status: Valid as Apteronotus eschmeyeri de Santana, Maldonado-Ocampo, Severi & Mendes 2004. Apteronotidae: Apteronotinae. Distribution: Magdalena River basin, Bogotá River and Luisa River, Colombia. Habitat: freshwater.
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© 2001 California Academy of Sciences

CAS 54912 (IU 15994) Porotergus terminalis Eigenmann [C. H.] & Allen [W. R.], 1942 Holotype  [Collection database record]
terminalis, Porotergus Eigenmann [C. H.] & Allen [W. R.] 1942:324 [Fishes of western South America; ref. 1246] Upper Amazon, Iquitos, Peru. Holotype: CAS 54912 [ex IU 15994]. Paratypes: CAS 2833 [ex IU 15720] (2). Type catalog: Ferraris et al. 2017:[11] [ref. 35236]. See Sternarchella calhamazon Lundberg et al. 2013: 171 [ref. 32552]. •Valid as Sternarchella terminalis (Eigenmann & Allen 1942) -- (Ortega & Vari 1986:12 [ref. 9708], Mago-Leccia 1994:34 [ref. 21320], Albert in Reis et al. 2003:500 [ref. 27061], Lundberg et al. 2013:158 [ref. 32552], Ivanyisky & Albert 2014:572 [ref. 35449], Ferraris et al. 2017:[11] [ref. 35236], Ochoa et al. 2020:63 [ref. 37781]). •Synonym of Sternarchella schotti (Steindachner 1868) -- (Evans et al. 2017:25 [ref. 35357]). Current status: Synonym of Sternarchella schotti (Steindachner 1868). Apteronotidae: Apteronotinae. Habitat: freshwater.
Not Illustrated
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© 2001 California Academy of Sciences

SU 22220 Sternarchella sima Starks [E. C.], 1913 Holotype & Paratype  [Collection database record]
sima, Sternarchella Starks [E. C.] 1913:22, Pl. 4 [Leland Stanford Jr. University Publications, University Series; ref. 4197] Pará, Brazil. Holotype: CAS-SU 22220 (1 of 3). Paratypes: AMNH 3864 (1), CAS-SU 22220 (2 of 3). Type catalog: Böhlke 1953:27 [ref. 12291] as simus, Ferraris et al. 2017:[11] [ref. 35236]. Type designated in Pl. 4. •Valid as Sternarchella sima Starks 1913 -- (Mago-Leccia 1994:34 [ref. 21320], Albert & Campos-da-Paz 1998:432 [ref. 23853], Albert 2001:111 [ref. 25614], Albert in Reis et al. 2003:500 [ref. 27061], Lundberg et al. 2013:158 [ref. 32552], Ivanyisky & Albert 2014:572 [ref. 35449], Ferraris et al. 2017:[11] [ref. 35236], Evans et al. 2017:26 [ref. 35357], see DoNascimiento et al. 2017:[15] [ref. 35679], Bernt et al. 2018:474 [ref. 35797], Meza-Vargas et al. 2021:21 [ref. 39298]). Current status: Valid as Sternarchella sima Starks 1913. Apteronotidae: Apteronotinae. Distribution: South America: Amazon River basin (Brazil and Peru). Habitat: freshwater.
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© 2001 California Academy of Sciences

CAS 28810 (IU 15740) Sternarchogiton porcinum Eigenmann [C. H.] & Allen [W. R.], 1942 Holotype  [Collection database record]
porcinum, Sternarchogiton Eigenmann [C. H.] & Allen [W. R.] 1942:325, Pl. 16 (fig. 1) [Fishes of western South America; ref. 1246] Río Huallaga at Yurimaguas, Amazon system, Peru. Holotype: CAS 28810 [ex IU 15740]. Paratypes: CAS 52834 [ex IU 15722] (1). Type catalog: Ferraris et al. 2017:[12] [ref. 35236]. See Albert & Campos-da-Paz 1998:431 [ref. 23853]. •Valid as Sternarchogiton porcinum Eigenmann & Allen 1942 -- (Ortega & Vari 1986:12 [ref. 9708], Mago-Leccia 1994:35 [ref. 21320], Albert 2001:111 [ref. 25614], Albert in Reis et al. 2003:500 [ref. 27061], de Santana & Crampton 2007:391 [ref. 29144], de Santana & Vari 2010:161 [ref. 30740], Barriga Salazar 2014:116 [ref. 35745], Sarmiento et al. 2014:188 [ref. 35004], Ferraris et al. 2017:[12] [ref. 35236], Bernt et al. 2018:474 [ref. 35797], Ochoa et al. 2020:63 [ref. 37781], Meza-Vargas et al. 2021:21 [ref. 39298], Taphorn et al. in Lasso & Morales-Betancourt 2022:78 [ref. 40783], Torgersen et al. 2023:776 [ref. 40692]). Current status: Valid as Sternarchogiton porcinum Eigenmann & Allen 1942. Apteronotidae: Apteronotinae. Distribution: South America: Amazon River basin (Brazil, Colombia, Ecuador, Bolivia, Peru and Venezuela). Habitat: freshwater.
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© 2001 California Academy of Sciences

CAS 72246 Sternarchorhynchus freemani de Santana [C. D.] & Vari [R. P.], 2010 Holotype  [Collection database record]
freemani, Sternarchorhynchus de Santana [C. D.] & Vari [R. P.] 2010:296, Fig. 38 [Zoological Journal of the Linnean Society v. 159 (no. 1); ref. 30785] Essequibo River basin, Lower Potaro River at Amatuk (ca. 5°18'N, 59°18'W), Guyana. Holotype: CAS 72246. Paratypes: CAS 72248 (1), 227622 [ex CAS 72246] (1, plus one lost). Type catalog: Ferraris et al. 2017:[13] [ref. 35236]. •Valid as Sternarchorhynchus freemani de Santana & Vari 2010 -- (Ferraris et al. 2017:[13] [ref. 35236]). Current status: Valid as Sternarchorhynchus freemani de Santana & Vari 2010. Apteronotidae: Apteronotinae. Distribution: Lower portions of Essequibo River basin, Guyana. Habitat: freshwater.
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© 2001 California Academy of Sciences