Uneven Rostrum & Wide Angle Group
Large size OMMASTREPHIDAE

　Wing teeth triangular and thin. Wing fold has steps with wide shallow groove .---
Eucleoteuthis luminosa　
　(LRL=4.5mm)

　　　Wing teeth trapezoidal and thick. Wing fold swollen with a wide and deep groove.---
Nototodarus hawaiiensis
　　(LRL=5.2mm)