Ptyctodus
Ptyctodus is an extinct armour-plated fish of the late Devonian. Ptyctodus belongs to the family Ptyctodontidae and is of the class Placodermi. They share a close resemblance to modern day chimaeras (Holocephali). Fossils of this armour-plated fish have been found in locations such as in Russia, the Michigan Basis, and Arizona, United States.
| Ptyctodus Temporal range: late Devonian | |
|---|---|
| Ptyctodus | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | †Placodermi |
| Order: | †Ptyctodontida |
| Family: | †Ptyctodontidae |
| Genus: | †Ptyctodus Pander, 1858 |
| Species | |
|
Ptyctodus bradyi | |
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