1. Species Ptychocochlis adamsi Bartsch, 1942 accepted as Poteria adamsi (Bartsch, 1942) (original combination)
2. Species Ptychocochlis campeachyi (H. B. Baker, 1934) accepted as Poteria campeachyi H. B. Baker, 1934 (unaccepted > superseded combination)
3. Species Ptychocochlis clappi Bartsch, 1942 accepted as Poteria clappi (Bartsch, 1942) (original combination)
4. Species Ptychocochlis corrugata (Menke, 1829) accepted as Poteria corrugata (Menke, 1829) (unaccepted > superseded combination)
5. Species Ptychocochlis corrugatior (Chitty, 1857) accepted as Poteria corrugatior (Chitty, 1857) (unaccepted > superseded combination)
6. Species Ptychocochlis gemma (Chitty, 1857) accepted as Poteria gemma (Chitty, 1857) (unaccepted > superseded combination)
7. Species Ptychocochlis gossei Bartsch, 1942 accepted as Poteria gossei (Bartsch, 1942) (original combination)
8. Species Ptychocochlis hendersoni Bartsch, 1942 accepted as Poteria hendersoni (Bartsch, 1942) (unaccepted > superseded combination)
9. Species Ptychocochlis lacteofluvialis (Pilsbry & A. P. Brown, 1910) accepted as Poteria lacteofluvialis (Pilsbry & A. P. Brown, 1910) (unaccepted > superseded combination)
10. Species Ptychocochlis magna (Chitty, 1857) accepted as Poteria magna (Chitty, 1857) (unaccepted > superseded combination)
11. Species Ptychocochlis manchesterensis Bartsch, 1942 accepted as Poteria manchesterensis (Bartsch, 1942) (original combination)
12. Species Ptychocochlis marianna Bartsch, 1942 accepted as Poteria marianna (Bartsch, 1942) (original combination)
13. Species Ptychocochlis martensi (Kobelt, 1912) accepted as Poteria martensi (Kobelt, 1912) (unaccepted > superseded combination)
14. Species Ptychocochlis minor (Chitty, 1857) accepted as Poteria minor (Chitty, 1857) (unaccepted > superseded combination)
15. Species Ptychocochlis montegoensis Bartsch, 1942 accepted as Poteria montegoensis (Bartsch, 1942) (original combination)
16. Species Ptychocochlis orcutti Bartsch, 1942 accepted as Poteria orcutti (Bartsch, 1942) (original combination)
17. Species Ptychocochlis savannensis Bartsch, 1942 accepted as Poteria savannensis (Bartsch, 1942) (original combination)
18. Species Ptychocochlis senex Bartsch, 1942 accepted as Poteria senex (Bartsch, 1942) (original combination)
19. Species Ptychocochlis shawae Bartsch, 1942 accepted as Poteria shawae (Bartsch, 1942) (original combination)
20. Species Ptychocochlis simpsoni Bartsch, 1942 accepted as Poteria simpsoni (Bartsch, 1942) (original combination)
21. Species Ptychocochlis subglobosa Bartsch, 1942 accepted as Poteria subglobosa (Bartsch, 1942) (original combination)
22. Species Ptychocochlis subrugosa (G. B. Sowerby I, 1850) accepted as Poteria subrugosa (G. B. Sowerby I, 1850) (unaccepted > superseded combination)
23. Species Ptychocochlis taylori Bartsch, 1942 accepted as Poteria taylori (Bartsch, 1942) (original combination)
24. Species Ptychocochlis varians (C. B. Adams, 1851) accepted as Poteria varians (C. B. Adams, 1851) (unaccepted > superseded combination)
25. Species Ptychocochlis vendryesi Bartsch, 1942 accepted as Poteria vendryesi (Bartsch, 1942) (original combination)
26. Species Ptychocochlis welchi Bartsch, 1942 accepted as Poteria daltei J. P. E. Morrison, 1955
27. Species Ptychocochlis zigzag (Chitty, 1857) accepted as Poteria zigzag (Chitty, 1857) (unaccepted > superseded combination)

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