Suborder
Heterostiina Jaekel, 1911
Selection of related publications
Mark-Kurik, E. 1991. Contribution to the correlation of the Emsian (Lower Devonian) on the basis of placoderm fishes.  Newsletters on Stratigraphy   25,   1,   11-23. DOI:10.1127/nos/25/1991/11
Heintz,  A. 1934. Revision of the Estonian Arthrodira. Part I. Family Homostiidae Jaekel.  Eesti Loodusteaduse Arhiiv   X,   4,   1-115.
Asmuss,  H. 1856. Das vollkommenste Hautskelet der bisher bekannten Thierreiche. An fossilen Fischen des Alten Rothen Sandsteins aufgefunden und aus ihren Resten erläutert: Abhandlung. pp. 1-39.  Schünmanna Wittwe & C. Mattiesen. 
List of species
1. Heterostius convexus Asmuss, 1856 | Aruküla Stage
2. Heterostius eurynotus Asmuss, 1856 | Aruküla Stage
3. Heterostius gracilior  Asmuss, 1856 | Aruküla Stage
5. Heterostius kutorgae Asmuss, 1856 | Aruküla Stage
6. Heterostius minor Heintz, 1933 | Aruküla Stage
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Chordata | 
| Subphylum | Vertebrata | 
| Infraphylum | Gnathostomata | 
| Class | Placodermi | 
| Order | Euarthrodira | 
| Suborder | Actinolepina | 
| Coccosteina | |
| Heterostiina | |
| Family | Heterostiidae | 
| Suborder | Pachyosteina |