Poraspis
Extinct genus of jawless fishes
From Wikipedia, the free encyclopedia
Poraspis is an extinct genus of heterostracan.[1] Fossils are found in Late Silurian and Early Devonian marine strata of Norway, Canada and the United States.
| Poraspis Temporal range: | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Infraphylum: | Agnatha |
| Class: | †Pteraspidomorpha |
| Subclass: | †Heterostraci |
| Order: | †Cyathaspidiformes |
| Family: | †Cyathaspididae |
| Genus: | †Poraspis Kiær, 1930 |
