Diplomystus is an extinct genus of freshwater and marine clupeomorph fish distantly related to modern-day extant herrings, anchovies, and sardines. It is known from the United States, China, and Lebanon from the Late Cretaceous to the middle Eocene. Many other clupeomorph species from around the world were also formerly placed in the genus, due to it being a former wastebasket taxon. It was among the last surviving members of the formerly-diverse order Ellimmichthyiformes, with only its close relative Guiclupea living for longer.
The species D. dentatus is found in Wyoming at the Green River Formation and alongside Mioplosus.
Games[]
Jurassic World: Aftermath[]
Diplomystus is seen in the Vault on display with many other fossils and is seen with a protective glass case around it.
