eigenmanni, Potamorrhaphis Miranda Ribeiro [A. de] 1915:Belonidae p. 13 [Arquivos do Museu Nacional de Rio de Janeiro v. 17; ref. 3711] Cáceres, Rio Jaurú at Pôrto Esperidião, Mato Grosso, Brazil. Lectotype: MNRJ 1343A. Paralectotypes: (3) MNRJ 1343 (1). Type catalog: Miranda Ribeiro 1955:395 [ref. 12732], Miranda Ribeiro 1961:7 [ref. 22037] as tipo. On p. 19 when continuously paginated. Lectotype selected by Miranda Ribeiro 1953:395 [ref. 12732] [but perhaps specimen not isolated]. •Valid as Potamorrhaphis eigenmanni Miranda Ribeiro 1915 -- (Collette 1982:738 [ref. 5467], Chang & Ortega 1995:4 [ref. 24302], Gómez & Chebez 1996:67 [ref. 23791], Britski et al. 1999:141 [ref. 24147] as Potamorhaphis, Keith et al. 2000:28 [ref. 24547], Lovejoy & de Araújo 2000:261 [ref. 31786], Lovejoy & Collette 2001:329 [ref. 25232], Lasso et al. 2001:100 [ref. 25928], Lovejoy & Collette in Reis et al. 2003:586 [ref. 27061], Collette 2003:4 [ref. 27306], López et al. 2003:72 [ref. 27366], Menezes & Figueiredo in Menezes et al. 2003:67 [ref. 27192] as Potamorraphis, Menni 2004:85 [ref. 28131], Sant'Anna et al. 2012:668 [ref. 32360], Sarmiento et al. 2014:33, 183 [ref. 35004], Mirande & Koerber 2015:54 [ref. 35117], Koerber et al. 2017:74 [ref. 35267], Careaga et al. 2020:75 [ref. 37774], Meza-Vargas et al. 2021:27 [ref. 39298]). Current status: Valid as Potamorrhaphis eigenmanni Miranda Ribeiro 1915. Belonidae. Distribution: South America: upper Madeira River and its tributaries and Paraguay-Paraná River basin (Argentina, Bolivia, Brazil, Paraguay and Peru). Habitat: freshwater.