Petrunkevitch, A. (1953). Paleozoic and Mesozoic Arachnida of Europe. Memoirs of the Geological Society of America 53: i–xi, 1–128. ZooBank: E9B5A9FE-7B50-4F4D-B02F-DE73B8137379
| Taxon | |
|---|---|
| Chelifer fossilis Weyenbergh, 1874 (Pseudoscorpiones: Cheliferidae) | 45, (probably a crustacean), Chelifer fossilis |