| Kingdom | Phylum | Family | Genus |
|---|---|---|---|
| Animalia | Hemichordata | Dichograptidae | Orthodichograptus Thomas, 1973 |
Orthodichograptus robbinsi Thomas, 1973. GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via biodiversity.aq on 2019-12-08.