Apteronotus macrostomus

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 macrostomus -

ANSP 70528, holotype ; CAS 123728, 1 ex. ; UF 36604, 5 ex. ;