Species
Illoganellia colossea Märss, Wilson et Thorsteinsson, 2002
Synonymy list
2002     Illoganellia colossea gen. et sp. nov. — Märss et al. , pp. 94
2006     Illoganellia colossea Märss, Wilson et Thorsteinsson, 2002 — Märss et al. , pp. 30-34, fig. Text fig. 16C-D, 17-18
Selection of related publications
Märss, T., Wilson, M. V. H., Thorsteinsson, R. 2002. New thelodont (Agnatha) and possible chondrichthyan (Gnathostomata) taxa established in the Silurian and Lower Devonian of the Canadian Arctic Archipelago.  Proceedings of the Estonian Academy of Sciences. Geology   51,   2,   88-120. DOI:10.3176/geol.2002.2.02
Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Chordata | 
| Subphylum | Vertebrata | 
| Superclass | Agnatha | 
| Class | Pteraspidomorphi | 
| Subclass | Thelodonti | 
| Order | Loganelliiformes | 
| Family | Loganelliidae | 
| Genus | Illoganellia | 
| Species | colossea | 
References based on distribution
- Märss et al., 2002 Thorsteinsson quarry, Cornwallis Island Sheinwoodian