■333r 
S3 3 
h 
3 
k 
Branchiostegals 7; gill membranes 
broadly united, little extended 
forward ventrally; lower gill rakers 
less than 15 on second arch; seal es 
small; no ventral striae; vent remote 
from anal, preceded by naked areas; 
tropical or subtropical# 
1 
. Mouth large, subterminal; upper jaw 
less than 1/3 head; gill membranes 
united below orbit. 
i*. Premaxillary teeth biserial; mandibular 
teeth uniserial; second dorsal spine 
smooth, rounded#-------— 
----— Ivla laco cephalus • 
± • Premaxillary teeth in narrow villiform 
hands; second dorsal spine more or 
less serrate, front edge trenchant#~ 
*---Ventrifossa# 
2 
j£ • Mouth small or moderate; upper jaw 3 or 
more in head; gill membranes uniteo 
below preopercle ridge (except rarely 
in aberrant Lionurus)# 
