Achrestogrammus is an extinct genus of prehistoric marine ray-finned fish that lived during the Upper Miocene subepoch of California. It contains a single species, A. achrestus, known from diatomite deposits of the Monterey Formation. Although known from only an incomplete specimen, it is thought to be an early greenling.

Fossils

According to Paleobiology Database in 2025, this genus has no referenced fossils or species.

See also

• Prehistoric fish

• List of prehistoric bony fish

References