Apteronotus leptorhynchus

Carlos David de Santana, 2003, Apteronotus caudimaculosus n. sp. (Gymnotiformes: Apteronotidae), a sexually dimorphic black ghost knifefish from the Pantanal, Western Brazil, with a note on the monophyly of the A. albifrons species complex., Zootaxa 252, pp. 1-11 : 10

Apteronotus leptorhynchus -

Venezuela - AMNH 91010, 4 ex. ; AMNH 91011, 1 ex. ; FMNH 70012, 5 ex., 1 cs ; FMNH 102100, 8 ex. ; INHS 28280, 1 ex. ; INHS 31842, 4 ex. ; INHS 31863, 4 ex. ; USNM 194141, 2 ex. ; Guyana - CAS 62333, 1 ex. paratype ; FMNH 53294, holotype ; FMNH 53295, 1 ex. paratype ; INHS 49524, 1 ex. ;