Genus Knightia is a unique specimen from the Eocene period that belongs to the family Clupeidae. This genus is commonly identified by its small size, compressed body, and deep tail. With the help of synonyms, researchers and enthusiasts can understand and identify these specimens more easily. Synonyms for Genus Knightia include Diplomystes, Harengula, Kneria, and Schlanstedtia. These synonyms play an essential role in the proper classification and recognition of the Genus Knightia. They are used as reference points, which help scholars and enthusiasts avoid mistakes and confusions when studying and researching about this ancient species.