Langford, G. (1963). The Wilmington coal fauna and additions to the Wilmington coal flora from a Pennsylvanian deposit in Will County, Illinois. Esconi Associates, Illinois. [2nd edition]
| Taxon | |
|---|---|
| Poliochera glabra Petrunkevitch, 1913 (Ricinulei: Poliocheridae) | 64, 99–100, (not seen), Poliochera glabra |
| Amarixys gracilis (Petrunkevitch, 1945) (Ricinulei: Curculioididae) | 65, figs 101–103 (not figs 104–105) (not seen), Curculioides gracilis |
| Curculioides mcluckiei Selden, 1992 (Ricinulei: Curculioididae) | 65, figs 104–105 (misidentification) (not seen), Curculioides gracilis Petrunkevitch |