Euzaphleges longurio is an extinct, superficially mackerel-like fish related to the escolar and snake mackerels. Euzaphleges was found off the coast of what is now California during the late Miocene. It was smaller than the very similar Thyrsocles and longer and more slender than Zaphlegulus, which also lived at the same time. It was much longer than the poorly known Trossulus.[3]
| Euzaphleges Temporal range: Late Miocene | |
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| E. longurio | |
| Scientific classification | |
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| Phylum: | |
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| Suborder: | Trichiuriformes |
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| Genus: | Euzaphleges White & Moy-Thomas, 1941 |
| Species: | E. longurio Jordan in Jordan & Gilbert, 1921 |
| Binomial name | |
| Euzaphleges longurio[1] | |
| Synonyms | |
Zaphleges longurio[2] | |