Family
Holonematidae Obruchev, 1932
Selection of related publications
Nessov L. A., Mark-Kurik, E. 1999. Tropinema, a Middle Devonian arthrodire with high dorsal crest from east Baltic.  Materials on the history of the fauna of Eurasia, pp. 58-66. 
Mark-Kurik, E. 1976. Arthrodire Holonema from the Middle Devonian of Novaya Zemlya.  Eesti NSV Teaduste Akadeemia Toimetised. Keemia, Geoloogia / Известия Академии наук Эстонской ССР. Химия. Геология   25,   3,   257-259. DOI:10.3176/chem.geol.1976.3.16
Mark, E. J. 1953. Holonema species from the Middle Devonian of the Estonian SSR.  Loodusuurijate Seltsi Juubelikoguteos, pp. 382-396.   Eesti Riiklik Kirjastus. 
Gross, W. 1933. Die unterdevonischen Fische und Gigantostraken von Overath.  Abhandlungen der Königlich Preussischen Geologischen Landesanstalt   145,      41-77.
List of species
1. Holonema obrutshevi Mark, 1953 | Aruküla Stage
3. Tropinema haermae (Mark, 1953) | Burtnieki Stage
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Chordata | 
| Subphylum | Vertebrata | 
| Infraphylum | Gnathostomata | 
| Class | Placodermi | 
| Order | Arthrodira | 
| Suborder | Phlyctaenioidei | 
| Infraorder | Phlyctaenii | 
| Family | Groenlandaspididae | 
| Holonematidae | |
| Genus | Belemnacanthus | 
| Holonema | |
| Rhenonema | |
| Tropinema | |
| Family | Phlyctaeniidae |