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: | |
| Phylum: | |
| Class: | |
| Subclass: | |
| Order: | |
| Suborder: | |
| Family: | |
| Genus: | Poraspis Kiær, 1930
|
References
edit- ^ David K. Elliott & Michael A. Petriello (2011). "New poraspids (Agnatha, Heterostraci) from the Early Devonian of the western United States". Journal of Vertebrate Paleontology. 31 (3): 518–530. doi:10.1080/02724634.2011.557113.
 | This article about Pteraspidomorphi is a stub. You can help Wikipedia by expanding it. |
 | This article related to a Silurian animal is a stub. You can help Wikipedia by expanding it. |
 | This article related to a Devonian jawless fish is a stub. You can help Wikipedia by expanding it. |