| Neoopisthopterus | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Clupeiformes |
| Family: | Clupeidae |
| Genus: | Neoopisthopterus Hildebrand, 1948 |
Neoopisthopterus, the longfin herrings, is a small genus of fish in the herring family, Clupeidae. There are currently two recognized species in this genus, both of which occur in tropical waters of the Western Hemisphere.