| Gnosonesimidae Gnosonesima Reisinger, 1926 | [with synonyms] | w | latest taxonomic authority | |
| Gnosonesima antarctica Reisinger, 1926 | | w | latest taxonomic authority | 97-99, Fig. 33 |
| Gnosonesima borealis (Westblad, 1952) | [with synonyms] | w | latest taxonomic authority | 92-96, Figs. 25-32, 34-41 |
| Gnosonesimidae Gnosonesimila Westblad, 1952 | | w | latest taxonomic authority | |
| Gnosonesimila borealis (1) Westblad, 1952 | | w | latest taxonomic authority | |
| Gnosonesimila borealis (2) Westblad, 1952 | | - | latest taxonomic authority | |
| Gnosonesima brattstroemi Karling, 1968 | | w | primary taxonomic authority (describer) | 82-92, Figs. 1-24 |
| Gnosonesima reisingeri Karling, 1968 | [with synonyms] | w | primary taxonomic authority (describer) | 96 |
