Uneven Rostrum & Wide Angle Group
Large size OMMASTREPHIDAE

　Wings and wing teeth and fold are completely pigmented at about 5mm RL---
Eucleoteuthis/Nototodarus　
　(LRL=5.2mm：N. hawaiensis)

　　　Wings are translucent; wing teeth is plat-like, covered with cartilaginous shoulder at about 5mm RL.---
Todarodes/Ommastrephes
　(LRL=4.7mm：T. pacificus)