Eusemius
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| Eusemius Temporal range:
| |
|---|---|
| Scientific classification Edit this classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Clade: | Halecomorphi |
| Genus: | †Eusemius Vetter, 1881 |
| Species: | †E. beatae
|
| Binomial name | |
| †Eusemius beatae Vetter, 1881
| |
Eusemius is an extinct genus of prehistoric marine ray-finned fish, previously described as a macrosemiid, that lived during the Late Jurassic. It contains a single species, E. beatae, from the Tithonian-aged Eichstätt Formation of Germany.[1][2] It is known from a single very small specimen, likely a juvenile, that is likely now lost.[3] It closely resembles the co-occurring Ophiopsis and Ophiopsiella (which are now classified in the Ionoscopiformes), only differing in the non-bifurcated dorsal fin rays.[4][5]
See also
[edit | edit source]References
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