''Novumbra'' is a genus of mudminnows (family

Umbridae Umbridae is a family of ray-finned fish in the order Salmoniformes. The single living genus, '' Umbra'', occupies weed-choked freshwater habitats in eastern North America and eastern Europe. While the family traditionally contained the genera ''U ...

) native to Oregon and Washington state, USA. Molecular data suggests that this genus is more closely related to ''

Esox ''Esox'' is a genus of freshwater fish commonly known as pike or pickerel. It is the type genus of the family (biology), family Esocidae. The type species of the genus is ''Esox lucius'', the northern pike. ''Esox'' have a fossil record exten ...

'' than '' Dallia'' and '' Umbra''. ''Novumbra'' diverged from ''Esox'' roughly 65 million years ago in the

Paleocene The Paleocene ( ), or Palaeocene, is a geological epoch (geology), epoch that lasted from about 66 to 56 mya (unit), million years ago (mya). It is the first epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), ...

Species

Two species in this genus are recognized: *'' Novumbra hubbsi'' L. P. Schultz, 1929 (Olympic mudminnow) *†'' Novumbra oregonensis'' Cavender, 1969

References

{{Taxonbar, from=Q7065124 Umbridae Ray-finned fish genera Taxa named by Leonard Peter Schultz Fish genera with one living species