order of fishes (fossil) From Wikipedia, the free encyclopedia
Pteraspids were early agnathan vertebrates. They lived from later Silurian to the end of the Devonian. Fossils are found in Europe and North America.
| Pteraspid | |
|---|---|
| |
| Lamiaspis longiripa | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Superclass: | Agnatha |
| Class: | †Pteraspidomorphi |
| Subclass: | †Heterostraci |
| Order: | †Pteraspidiformes Berg 1940 |
| Suborders and families | |
| |
The whole group has the head and front of the body armoured. Delicate, finger-like parts of the plates were at the edges of the mouth. This suggests they were filter feeders taking plankton from the water column.[1]
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