Astraspis
Astraspis ('star shield') is an extinct genus of primitive jawless fish from the Ordovician of Central North America including the Harding Sandstone of Colorado and Bighorn Mountains of Wyoming. It is also known from Bolivia. It is related to other Ordovician fishes, such as the South American Sacabambaspis, and the Australian Arandaspis.
| Astraspis Temporal range: middle-late Ordovician | |
|---|---|
| Fossil specimen of A. desiderata, Field Museum of Natural History | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Infraphylum: | Agnatha |
| Class: | †Pteraspidomorphi |
| Subclass: | †Heterostraci |
| Order: | †Pteraspidiformes |
| Genus: | †Astraspis Walcott, 1892 |
| Type species | |
| Astraspis desiderata Walcott 1892 | |
| Species | |
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