Longodus
| Longodus Temporal range: Ludlow epoch | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Subphylum: | Vertebrata |
| Infraphylum: | Agnatha |
| Class: | †Thelodonti |
| Order: | †Thelodontiformes |
| Family: | †Longodidae Märss, 2006 |
| Genus: | †Longodus Märss, 2006 |
| Species: | †L. acicularis |
| Binomial name | |
| †Longodus acicularis Märss, 2006 | |
Longodus (Long meaning long and odus meaning tooth) is an extinct genus of thelodont, placed in its own family – Longodidae – which existed in what is now Estonia during the Ludlow epoch of the upper Silurian period. The type and only species is Longodus acicularis. They are most noted for their long, needle-like scales, which run vertically along their trunk.