| Reference no. | Description | year | Name used | Page | 
|---|---|---|---|---|
| 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 | Ascorhis occidua | --> | 
| 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 | Ascorhis occidua | --> | 
| 90363 | IUCN 2012 IUCN Red List of Threatened Species. Version 2012.1. IUCN 2012. IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded in June 2012. | 2012 | Ascorhis occidua | --> | 
| 127697 | IUCN 2022 The IUCN Red List of Threatened Species. Version 2022-1. | 2022 | Ascorhis occidua | --> | 
| 130435 | IUCN 2025 The IUCN Red List of Threatened Species. 1964 - onwards. https://www.iucnredlist.org/ | 2025 | Ascorhis occidua | ver.2025-1 |