Selden, P.A. (1993b). Arthropoda (Aglaspidida, Pycnogonida and Chelicerata). In: Benton, M.J. (ed.) The fossil record 2 Chapman and Hall, London: 297–320.
| Taxon | |
|---|---|
| Calcitro fisheri Petrunkevitch, 1945 (Schizomida: Calcitronidae) | 318, (as Calcitro fischeri [sic]), Calcitro fisheri |
| Calcoschizomus latisternum Pierce, 1951 (Schizomida: Hubbardiidae) | 318, Calcoschizomus latisternum |
| Onychothelyphonus bonneri Pierce, 1950 (Schizomida: Hubbardiidae) | 318, Onychothelyphonus bonneri |