1. Species Bulla ampulla Linnaeus, 1758
2. Species Bulla difficilis T. Habe, 1950
3. Species Bulla punctulata A. Adams, 1850
4. Species Bulla vernicosa A. Gould, 1859
5. Species Bulla adamsi Menke, 1851 (uncertain > nomen dubium)

marine

Linnaeus, C. (1758). Systema Naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. [The system of nature through the three kingdoms of nature, according to classes, orders, genera, species, with characters, differences, synonyms, places.]. <em>Impensis Direct. Laurentii Salvii. Holmiae [Stockholm].</em> 1(10) [iii], 824 p., available online at https://biodiversitylibrary.org/page/726886 [details] Available for editors  

MolluscaBase eds. (2025). MolluscaBase. Bulla Linnaeus, 1758. Accessed through: Xu, K., An, J., Ding, L., Dong, D., Gao, Y., Huang, Y., Jiang, W., Lei, Y., Li, K., Li, X., Li, Y., Liang, X., Lin, G., Lin, M., Liu, H., Liu, J., Liu, W., Liu, X., Lu, D., Ma, Z., Ren, X., Sha, Z., Sun, J., Sun, S., Sun, Z., Tian, L., Wang, D., Wang, J., Wu, X., Xia, B., Xiao, N., Yin, J., Zhang, J., Zhang, S., Zhang, X., Zhao, E., Zheng, X., Zhou, H., Zhou, J. & Zhou, K. (2025) Chinese Register of Marine Species at: https://www.marinespecies.org/charms/aphia.php?p=taxdetails&id=137716 on 2025-05-24

Xu, K., An, J., Ding, L., Dong, D., Gao, Y., Huang, Y., Jiang, W., Lei, Y., Li, K., Li, X., Li, Y., Liang, X., Lin, G., Lin, M., Liu, H., Liu, J., Liu, W., Liu, X., Lu, D., Ma, Z., Ren, X., Sha, Z., Sun, J., Sun, S., Sun, Z., Tian, L., Wang, D., Wang, J., Wu, X., Xia, B., Xiao, N., Yin, J., Zhang, J., Zhang, S., Zhang, X., Zhao, E., Zheng, X., Zhou, H., Zhou, J. & Zhou, K. (2025). Chinese Register of Marine Species. Bulla Linnaeus, 1758. Accessed at: https://marinespecies.org/charms/aphia.php?p=taxdetails&id=137716 on 2025-05-24

[taxonomic tree]