| Reference no. | Description | year | Name used | Page |
|---|---|---|---|---|
| 88739 | Oliver, W.R.B. 1914 The Mollusca of the Kermadec Islands. Trans. N.Z. Inst. 47:509-568. | 1914 | Cassidea royana | 529 |
| 118672 | Powell, A.W.B. 1967 New Zealand molluscan systematics with descriptions of new species; Part 6. Rec. Auck. Inst. Mus. 6(3):185-196. | 1967 | Xenophalium royanum | 187 |
| 337 | Brook, F.J. 1998 The coastal molluscan fauna of the northern Kermadec Islands, Southwest Pacific Ocean. Journal of the Royal Society of New Zealand 28(2):185-233. | 1998 | Semicassis royanum | 220 |
| 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 | Semicassis royana | --> |
| 3204 | The Academy of Natural Sciences 2006 OBIS Indo-Pacific Molluscan Database. http://data.acnatsci.org/obis/find_mollusk.html [accessed 21/03/2007]. | 2006 | Semicassis royana | --> |