| Reference no. | Description | year | Name used | Page |
|---|---|---|---|---|
| 833 | Ruppert, E.E., R.S. Fox and R.D. Barnes 2004 Invertebrate Zoology. A functional evolutionary approach. 7th Ed. Brooks/Cole, Thomson Learning learning, Inc. 990 p. | 2004 | Pseudocnus dubiosus | --> |
| 19 | Bisby, F.A., M.A. Ruggiero, K.L. Wilson, M. Cachuela-Palacio, S.W. Kimani, Y.R. Roskov, A. Soulier-Perkins and J. van Hertum 2005 Species 2000 & ITIS Catalogue of Life: 2005 Annual Checklist. CD-ROM; Species 2000: Reading, U.K. | 2005 | Pseudocnus dubiosus | --> |
| 83942 | Alvarado, J.J. and J. Cortés 2009 Echinoderms. pp. 421-434. In I.S. Wehrtmann, J. Cortés (eds.) Marine biodiversity of Costa Rica, Central America. Springer 538 p. | 2009 | Cucumaria dubiosa | S.36.2 |
| 87801 | Häussermann, V. and G. Försterra 2009 Marine benthic fauna of Chilean Patagonia. Santiago, Nature in Focus. 1000 p. | 2009 | Pseudocnus dubiosus leoninus | 870 |
| 3477 | MarineSpecies.org 2050 MarineSpecies.org. http://www.marinespecies.org/index.php | 2050 | Pseudocnus dubiosus | --> |