Diplococcus

Diplococcus is an obsolete bacterial genus whose species have been reassigned to modern genera as taxonomy advanced with molecular methods. The name described cocci occurring in pairs, a morphology now recognized across several genera including Streptococcus and Neisseria. It survives in historical food microbiology literature, so analysts consulting older references must map the old names to current classification to interpret past findings on dairy and food fermentations correctly. Taxonomic databases maintain the synonymy so that historical records remain searchable under modern names.