| Reference no. | Description | year | Name used | Page |
|---|---|---|---|---|
| 7489 | Millar, R.H. 1970 Ascidians, including specimens from the deep sea, collected by the R. V. 'Verna' and now in the American Museum of Natural History. Zool. J. Linn. Soc. 49:99-159. | 1970 | Polycitor crypticus | --> |
| 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 | Polycitor crypticus | --> |