Figure 4
From: Predatory behaviour and taphonomy of a Jurassic belemnoid coleoid (Diplobelida, Cephalopoda)

Localizations of the centres of mass (blue cross) and buoyancy (black cross) in Clarkeiteuthis conocauda, Passaloteuthis bisulcata and Hibolithes semisulcatus along the body axis in relation to their body parts.