Figure 3
From: Anatomy of the endocrine pancreas in actinopterygian fishes and its phylogenetic implications

Presence and absence of BB plotted onto the molecule-based phylogeny of Actinopterygii28 modified after Chen et al.29, Dornburg & Near 30, and Parey et al.31. The uncertain inter-relationships are collapsed and presented as unresolved polytomies. The illustration of fishes is redrawn by JNC, YAC, and LHC (see acknowledgement) after Nelson et al.41.