Scudder, S.H. (1891). Index to the known fossil insects of the world including myriapods and arachnids. Bulletin of the United States Geological Survey 71: 1–744.
| Taxon | |
|---|---|
| Curculioides ansticii Buckland, 1837 (Ricinulei: Curculioididae) | 22, Curculioides ansticii |
| Curculioides scaber (Scudder, 1890) (Ricinulei: Curculioididae) | 26, (as Geratarbus scabrum), Geratarbus scaber |
| Poliochera punctulata Scudder, 1884 (Ricinulei: Poliocheridae) | 29, Poliochera punctulata |