Fig. 2
Morphology and digitized landmarks (hollow dots) and semi-landmarks (solid dots) of the squid Ommastrephes bartramii upper beak (A) and lower beak (B) (Fang et al., 2017)
Fig. 2 | Hydrobiologia
Morphology and digitized landmarks (hollow dots) and semi-landmarks (solid dots) of the squid Ommastrephes bartramii upper beak (A) and lower beak (B) (Fang et al., 2017)