Uneven Rostrum & Narrow Angle Group
GONATIDAE / Galiteuthis

　Wings and wing shoulder pigmented at about 3.5mm LRL---Small Size Group

(LRL=3.1mm)

　　　Wings and wing shoulder transparent at about 3.5mm LRL---Large Size Group　

(LRL=3.25mm)

＊It is difficult to identify those immature unpigmented beaks of large-sized species into species under this key.
The additional key, including undarked beaks of small-sized species will be offered in future.