| Numéro de référence | Description | Année | Nom utilisé | Page |
|---|---|---|---|---|
| 821 | Springsteen, F.J. and F.M. Leobrera 1986 Shells of the Philippines. Carfel Seashell Museum. Metro Manila, Philippines. 377 p. | 1986 | Philbertia nexa | 279 |
| 3116 | Smith, B.D. 2003 Prosobranch gastropods of Guam. Micronesia 35-36:244-270. | 2003 | Philbertia nexa | 269 |
| 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 | Philbertia nexa | --> |
| 126039 | Paulay, G. 2022 Reproduction of Neogastropoda. Pers. Comm. via email [13/04/2022]. | 2022 | Philbertia nexa | --> |