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. Author Carlos David de Santana text Zootaxa 2003 252 1 11 http://www.zoobank.org/urn:lsid:zoobank.org:pub:F8968B32-56CC-4502-B6E3-896FDF06684F journal article z00252p001 F8968B32-56CC-4502-B6E3-896FDF06684F Apteronotus cuchillo - CU 82193, 4 ex. ; USNM 121587 , paratypes , 13 ex. ; USNM 121588 , paratypes , 3 ex. ; USNM 121589 , paratypes , 11 ex. ; USNM 121590 , paratypes , 7 ex. ; USNM 121591 , holotype ;