1. Subspecies Purpura haemastoma acuminata Settepassi, 1977 accepted as Stramonita haemastoma (Linnaeus, 1767) (unavailable name: published in a work which is not consistently binomial)
2. Subspecies Purpura haemastoma bulbosa Settepassi, 1977 accepted as Stramonita haemastoma (Linnaeus, 1767) (unavailable name: published in a work which is not consistently binomial)
3. Subspecies Purpura haemastoma elongata Settepassi, 1977 accepted as Stramonita haemastoma (Linnaeus, 1767) (unavailable name: published in a work which is not consistently binomial)
4. Variety Purpura haemastoma var. bifasciata Kiener, 1835 accepted as Stramonita haemastoma (Linnaeus, 1767) (synonym)
5. Variety Purpura haemastoma var. calva Weinkauff, 1873 accepted as Stramonita haemastoma (Linnaeus, 1767)
6. Variety Purpura haemastoma var. cornuta R. A. Philippi, 1844 accepted as Stramonita haemastoma (Linnaeus, 1767)
7. Variety Purpura haemastoma var. costellata Pallary, 1900 accepted as Stramonita haemastoma (Linnaeus, 1767)
8. Variety Purpura haemastoma var. floridana Conrad, 1837 accepted as Stramonita floridana (Conrad, 1837) (unaccepted > superseded combination)
9. Variety Purpura haemastoma var. gracilior Kobelt, 1887 accepted as Stramonita haemastoma (Linnaeus, 1767)
10. Variety Purpura haemastoma var. minima Pallary, 1900 accepted as Stramonita haemastoma (Linnaeus, 1767)
11. Variety Purpura haemastoma var. minor Bucquoy, Dautzenberg & Dollfus, 1882 accepted as Stramonita haemastoma (Linnaeus, 1767) (unaccepted > junior subjective synonym, invalid; not Küster, 1860)
12. Variety Purpura haemastoma var. nodulosa Bucquoy, Dautzenberg & Dollfus, 1882 accepted as Stramonita haemastoma (Linnaeus, 1767)
13. Variety Purpura haemastoma var. striata Pallary, 1900 accepted as Stramonita haemastoma (Linnaeus, 1767)

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