-
snout long, overhanging , with ventral keelLL pores # 2 & ~7-13 elevated, open above LL canalGnathophis bathytopos, Blackgut congertop lip: low flangestomach black
-
snout long, overhanging , with ventral keelLL pores #2 & at least one other elevated, open abGnathophis bracheatopos, Longeye congertop lip: low flangestomach pale