| Reference no. | Description | year | Name used | Page |
|---|---|---|---|---|
| 1180 | Toomey, H.B. and D. Epel 1993 Multixenobiotic Resistance in Urechis caupo Embryos: Protection from Environmental Toxins. Biological Bulletin 185:355-364. | 1993 | Urechis caupo | 355 |
| 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 | Urechis caupo | --> |
| 1175 | Anker, A., G.V. Murina, C. Lira, J.A.V. Caripe, A.R. Palmer and M.S. Jeng 2005 Macrofauna associated with Echiuran burrows: a review with new observations of the innkeeper worm, Ochestostoma erythrogrammon Leuckart and Rüppel, in Venezuela. Zoological Studies 44(2):157-190. | 2005 | Urechis caupo | --> |