| Macrosemius Temporal range:
| |
|---|---|
| |
| Macrosemius rostratus fossil | |
Scientific classification 
| |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Clade: | Ginglymodi |
| Order: | †Semionotiformes |
| Family: | †Macrosemiidae |
| Genus: | †Macrosemius Agassiz, 1834 |
Macrosemius is an extinct genus of macrosemiid fish known from the Late Jurassic of Germany.1
References
References
- Sepkoski, Jack (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology. 364: 560. Archived from the original on 2009-02-20. Retrieved 2009-02-27.