Petrunkevitch, A. (1945a). Palaeozoic Arachnida. An inquiry into their evolutionary trends. Scientific Papers, Illinois State Museum 3(2): 1–76.
| Taxon | |
|---|---|
| Poliochera punctulata Scudder, 1884 (Ricinulei: Poliocheridae) | 65–66, (as Polyochera [sic] punctulata), Poliochera punctulata |
| Ricinulei Thorell, 1876 | 67, Ricinulei |
| Curculioididae Cockerell, 1916 (Ricinulei) | 68, Curculioididae |
| Amarixys gracilis (Petrunkevitch, 1945) (Ricinulei: Curculioididae) | 68–70, fig. 34, plate II figs 8–10, Curculioides gracilis |
| Poliocheridae Scudder, 1884 (Ricinulei) | 68, (as Polyocheridae [sic]), Poliocheridae |