Family
Obrucheviidae Halstead Tarlo, 1964
Aiheeseen liittyvät julkaisut
Novitskaya L. I. 2004. Subclass Heterostraci. Fossil vertebrates of Russia and adjacent countries. Agnathans and early fisches. The reference book for palaeontologists and geologists, pp. 69-207. GEOS.
List of species
1. Obruchevia heckeri (Obruchev, 1936) | Frasnian
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Chordata |
| Subphylum | Vertebrata |
| Superclass | Agnatha |
| Class | Pteraspidomorphi |
| Subclass | Heterostraci |
| Order | Pteraspidiformes |
| Suborder | Psammosteida |
| Family | Drepanaspididae |
| Guerichosteidae | |
| Obrucheviidae | |
| Genus | Obruchevia |
| Perscheia | |
| Family | Psammolepididae |
| Psammosteidae | |
| Pycnosteidae |