1. Species Deroceras (Plathystimulus) bakurianum (Simroth, 1912) accepted as Deroceras bakurianum (Simroth, 1912)
2. Species Deroceras (Plathystimulus) berytense (Bourguignat, 1852) accepted as Deroceras berytense (Bourguignat, 1852)
3. Species Deroceras (Plathystimulus) cycladicum Wiktor & Mylonas, 1981 accepted as Deroceras cycladicum Wiktor & Mylonas, 1981 (original name)
4. Species Deroceras (Plathystimulus) fatrense Macha, 1981 accepted as Deroceras rodnae Grossu & Lupu, 1965 (junior synonym)
5. Species Deroceras (Plathystimulus) hispaniense Castillejo & Wiktor, 1983 accepted as Deroceras hispaniense Castillejo & Wiktor, 1983 (basionym)
6. Species Deroceras (Plathystimulus) ikaria P. Reischütz, 1983 accepted as Deroceras ikaria P. L. Reischütz, 1983 (original name)
7. Species Deroceras (Plathystimulus) juranum Wüthrich, 1993 accepted as Deroceras juranum Wüthrich, 1993 (unaccepted > superseded combination)
8. Species Deroceras (Plathystimulus) karnaniensis Wiktor, 1984 accepted as Deroceras karnaniense Wiktor, 1984 (original combination)
9. Species Deroceras (Plathystimulus) melinum Wiktor & Mylonas, 1981 accepted as Deroceras melinum Wiktor & Mylonas, 1981 (original name)
10. Species Deroceras (Plathystimulus) parium Wiktor & Mylonas, 1981 accepted as Deroceras parium Wiktor & Mylonas, 1981 (original name)
11. Species Deroceras (Plathystimulus) praecox Wiktor, 1966 accepted as Deroceras (Deroceras) praecox Wiktor, 1966 represented as Deroceras praecox Wiktor, 1966
12. Species Deroceras (Plathystimulus) pseudopanormitanum Wiktor, 1984 accepted as Deroceras pseudopanormitanum Wiktor, 1984 (original combination)
13. Species Deroceras (Plathystimulus) rodnae Grossu & Lupu, 1965 accepted as Deroceras rodnae Grossu & Lupu, 1965
14. Species Deroceras (Plathystimulus) samium Rähle, 1983 accepted as Deroceras samium Rähle, 1983
15. Species Deroceras (Plathystimulus) seriphium Wiktor & Mylonas, 1981 accepted as Deroceras seriphium Wiktor & Mylonas, 1981 (original name)
16. Species Deroceras (Plathystimulus) subagreste (Simroth, 1892) accepted as Deroceras subagreste (Simroth, 1892)

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