| Kingdom | Phylum | Class | Order |
|---|---|---|---|
| Animalia | Annelida | Polychaeta | Echiuroidea |
| Rank | Scientific name | Taxonomic status |
|---|---|---|
| genus | Anelassorhynchus Annandale, 1922 | accepted |
| genus | Arhynchite Satô, 1937 | accepted |
| genus | Ikedosoma Bock, 1942 | accepted |
| genus | Lissomyema Fisher, 1946 | accepted |
| genus | Listriolobus Fischer, 1926 | accepted |
| genus | Listriolobus Spengel, 1912 | doubtful |
| genus | Ochetostoma Rüppell & Leuckart, 1828 | accepted |
| genus | Paraarhynchite Chen, 1963 | accepted |
| genus | Thalassema Pallas, 1774 | accepted |
Thalassematidae. GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via biodiversity.aq on 2019-12-03.