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|---|---|---|---|---|
| 79924 | Rudman, W.B. and B.W. Darvell 1990 Opisthobranch molluscs of Hong Kong: part 1. Goniodoridae, Onchidoriidae, Triophidae, Gymnodoriidae, Chromodoriidae (Nudibranchia). Asian Marine Biology 7:31-79. | 1990 | Okenia barnadi | 39 |
| 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 barnadi | 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 barnadi | --> |
| 126793 | Chow, L.H., V.P.F. Yu, Z.Y. Kho, G.C.L. See, A. Wang, D.M. Baker and L.M. Tsang 2022 An updated checklist of sea slugs (Gastropoda, Heterobranchia) from Hong Kong supported by citizen science. Zool. Stud. 61(52):1-33. | 2022 | Okenia barnadi | 17 |