Edaphaspis
| Edaphaspis bystrowi Temporal range: Early Devonian | |
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| Family: | Edaphaspididae Novitskaya, 1968 |
| Genus: | Edaphaspis |
| Species: | E. bystrowi |
| Binomial name | |
| Edaphaspis bystrowi Novitskaya, 1968 | |
Edaphaspis bystrowi is an extinct amphiaspidid cyathaspidid heterostracan. Its fossils are restricted to early Devonian-aged marine strata of the Taimyr Peninsula, Early Devonian Siberia. E. bystrowi, as with all other amphiaspidids, is thought to have been a benthic filter feeder that lived on top of, or buried just below the surface of the substrate of hypersaline lagoon-bottoms. It is the only representative of the family Edaphaspididae.