| Hypomesus Temporal range: 28–0 Ma Late Oligocene to Present[1] |
|
|---|---|
| Delta smelt, Hypomesus transpacificus | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Osmeriformes |
| Family: | Osmeridae |
| Genus: | Hypomesus Gill, 1862 |
| Species | |
Hypomesus is a genus of smelts (Osmeridae), consisting of five species found in the northern hemisphere.
The pond smelt H. olidus is widespread across norheastern Asia, Alaska, and northwestern Canada, while the Delta smelt H. transpacificus is an endangered species of the Sacramento Delta in California. H. chishimaensis was at one time thought to be a separate species, but has since been identified as a population of H. nipponensis.
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| Phylogeny of the genus Hypomesus including H. chishimaensis under H. nipponensis.[2][3] |