| Reference no. | Description | year | Name used | Page |
|---|---|---|---|---|
| 7833 | Poizat, C.H. 1991 New data on an interstitial opisthobranch assemblage and other meiofauna from the Skagerrak, Sweden. Journal of Molluscan Studies 57(4):167-177. | 1991 | Calliopaea bellula | --> |
| 85339 | Templado, J. and R. Villanueva 2010 Checklist of Phylum Mollusca. pp. 148-198 In Coll, M., et al., 2010. The biodiversity of the Mediterranean Sea: estimates, patterns, and threats. PLoS ONE 5(8):36pp. | 2010 | Calliopaea bellula | 178 |
| 128574 | HELCOM 2012 Checklist of Baltic Sea macro-species. Baltic Sea Environment Proceedings No. 130, 206p. | 2012 | Calliopaea bellula | 155:no248 |
| 96235 | Garilao, N. 2014 Baltic Sea species list. Personal communication, 25 April 2014. Provided excel file. | 2014 | Calliopaea bellula | --> |
| 125229 | Furfaro, G., F. Vitale, C. Licchelli and P. Mariottini 2020 Two seas for one great diversity: checklist of the marine Heterobranchia (Mollusca; Gastropoda) from the Salento Peninsula (south-east Italy). Diversity (Basel) 12(5):171. | 2020 | Calliopaea bellula | --> |