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| 79911 | Risbec, J. 1956 Nudibranches du Viet-Nam. Archives du Museum National d'Histoire Naturelle Paris Ser. 7, 4:1-34. | 1956 | Okenia plebeja | 18 |
| 78073 | Sachidhanandam, U., R.C. Willan and L.M. Chou 2000 Checklist of the nudibranchs (Opisthobranchia: Nudibranchia) of the South China Sea. The Raffles Bulletin of Zoology Supplement 7:513-537. | 2000 | Okenia plebeja | 518 |
| 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 | Okenia plebeja | --> |