Children (11 direct children, 11 direct and indirect children):
Syacium longidorsale
Pompadour flounder
Syacium latifrons
Beach flounder
Syacium gunteri
Shoal flounder
Syacium maculiferum
Clearspot flounder
Syacium ovale
Oval flounder
Syacium papillosum
Dusky flounder
Syacium guineensis
Papillose flounder
Syacium micrurum
Channel flounder
Syacium predorsalis
Syacium longleyi
Syacium stamplii