part of part of in taxon results in development of anatomical structure development lateral line ganglion development posterior lateral line system development posterior lateral line ganglion development GO:0048917 gPLL development The process whose specific outcome is the progression of the posterior lateral line ganglion over time, from its formation to the mature structure. The posterior lateral line ganglion develops from cranial ectodermal placodes situated behind the ear. Vertebrata <vertebrates> posterior lateral line ganglion