| Reference no. | Description | year | Name used | Page |
|---|---|---|---|---|
| 377 | Tomita, M., N. Shiga and T. Ikeda 2003 Seasonal occurrence and vertical distribution of appendicularians in Toyama Bay, southern Japan Sea. Journal of Plankton Research 25(6):579-589. | 2003 | Gregariella barbata | 211 |
| 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 | Gregariella barbata | --> |