431 
Genus Synbranchus Bloch 
Synbranchus BLOCH, Naturg. Ausland. Plsche, vol, 9, pt. 
12, 1795, p. 86. Type Synbranchus marmoratus BLOCH, 
designated by JORDAN and EVERMANH, Genera of Pishes, 
pt. 1, 1917, p. 53. 
Symbranchus GttNTHER, Cat. Pishes Brit. Mus., vol. 8, 
1870, p. 15. Type Synbranchus marmoratus BLOCH. 
4 
Unibranchapterura LACEPEDE, Hist. Nat. Poiss., vol. 5, 
1803, p. 658. Type Synbranchus marmoratus BLOCH, 
designated by JORDAN and EVERMANN, Genera of Pishes, 
pt. 1, 1917, p. 68. 
Ophisternon MC CLELLAND, Calcutta Journ. Nat. Hist., vol. 
5, 1845, p. 175, 196. Type Ophisternon bengalensis 
MC CLELLAND, designated by JORDAN, Genera of Fishes, 
pt. 2, 1919, p. 220. 
Tetrabranchus SLEEKER, Nat. Tijds. Nederland Indig, vol. 
2, 1851, p. 69. Type Tetrabranchus mlcrophthalmus 
BLEEKER, monotypic. 
Unipertura KAUP, Archiv Naturg., 1856, pt. 1, p. 76. Type 
Unipertura laevis (LACEPEDE) KAUP,“ Ophisternon bengal- 
m** 1 < 4 ng|iarym n<riwn r ■ i r ■■gninnm m m — -^F—irr- -nrf —nip nr imSSt 
ensis M C CLELLAND, orthotypic. 
