Barathronus Goode & Bean, 1886

Barathronus Goode & Bean, 1886: 164, type species by monotypy Barathronus bicolor Goode & Bean, 1886 .

Diagnosis. Joined vertical fins and loose, transparent, scaleless skin; mouth oblique with dentigerous palatines and 2–11 fangs on vomer, pectoral fin peduncle short, as long as high; 20–35 long rakers on anterior gill arch; dorsal fin rays 62–85, caudal fin rays 8-10, anal fin rays 46–73 and pectoral fin rays 21–27; precaudal vertebrae 31–39; total vertebrae 67–89; ripe males with penis length up to 15% SL, paired claspers developed or not.

*Characters of juvenile specimen in parentheses (from Okiyama & Kato 1997).

^ Nielsen 2015; § Nielsen 1974; ‡ Nielsen 2018

† eyes are so indistinct in A. gelatinosus and B. pacificus that these characters cannot be measured

# Predorsal length not measured in two GAB specimens due to damage

Species. According to Nielsen et al. (2015: 55) Barathronus contains 11 species. One of these, Barathronus solomonensis Nielsen & Møller, 2008 was later by Nielsen (2015: 342) transferred to the aphyonid-clade genus Paraphyonus Nielsen, 2015 .