''Mioplosus'' is an extinct genus of percid fish that lived from the early to middle

Eocene The Eocene ( ) Epoch is a geological epoch that lasted from about 56 to 33.9 million years ago (mya). It is the second epoch of the Paleogene Period in the modern Cenozoic Era. The name ''Eocene'' comes from the Ancient Greek (''ēṓs'', " ...

. Five species of the genus has been described, ''Mioplosus labracoides'' is found in the

Green River Formation The Green River Formation is an Eocene geologic formation that records the sedimentation in a group of intermountain lakes in three basins along the present-day Green River in Colorado, Wyoming, and Utah. The sediments are deposited in very fine ...

Lagerstätte A Lagerstätte (, from ''Lager'' 'storage, lair' '' Stätte'' 'place'; plural ''Lagerstätten'') is a sedimentary deposit that exhibits extraordinary fossils with exceptional preservation—sometimes including preserved soft tissues. These f ...

. ''Mioplosus'' has numerous extant relatives in Northern Hemisphere fresh- and brackish water, as well as fossil relatives in Asia, Europe and New Zealand, and may be closely related to the modern-day Pike-perches (genus ''

Sander A sander is a power tool used to smooth surfaces by abrasion with sandpaper. Sanders have a means to attach the sandpaper and a mechanism to move it rapidly contained within a housing with means to hand-hold it or fix it to a workbench. Woodw ...

''). ''Mioplosus'' are similar to modern Percids, and like them have two dorsal fins, the anterior dorsal fin spiny and the posterior soft-rayed. Fossil ''Mioplosus'' up to have been found, but anything over is rare. ''Mioplosus'' have pointed teeth and are believed to have been voracious predators, individuals have been found with fish lodged in its throat. ''Mioplosus'' fossils are never found in large groups, which suggest they were solitary.

References

Percidae Eocene fish Eocene fish of North America {{paleo-perciformes-stub

See also

References