MolluscaBase eds. (2024). MolluscaBase. Bulla flexilis Montagu, 1808. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=557192 on 2024-11-24
original descriptionMontagu, G. (1808). Supplement to Testacea Britannica with Additional Plates. Woolmer, Exeter. v + 183 pp., pl. 17-30. , available online athttps://www.biodiversitylibrary.org/page/61685744 page(s): 168 [details]