1. Species Helix (Gonostoma) althi Łomnicki, 1886 † accepted as Palaeotachea silvana (Klein, 1853) † (unaccepted > junior subjective synonym)
2. Species Helix (Gonostoma) baudinensis E. A. Smith, 1893 accepted as Baudinella baudinensis (E. A. Smith, 1893) (basionym)
3. Species Helix (Gonostoma) beata Wollaston, 1878 accepted as Canariella berthelotii beata (Wollaston, 1878) (unaccepted > superseded combination)
4. Species Helix (Gonostoma) binodata Möllendorff, 1886 accepted as Pseudaspasita binodata (Möllendorff, 1886) (original combination)
5. Species Helix (Gonostoma) blaviana K. Miller, 1907 † accepted as Klikia praeosculina (K. Miller, 1907) † (subjective synonym)
6. Species Helix (Gonostoma) collingii E. A. Smith, 1893 accepted as Setobaudinia collingii (E. A. Smith, 1893) (basionym)
7. Species Helix (Gonostoma) contorta Rossmässler, 1838 accepted as Lindholmiola corcyrensis (Rossmässler, 1838) (unaccepted > junior subjective synonym)
8. Species Helix (Gonostoma) diodonta A. Férussac, 1832 accepted as Soosia diodonta (A. Férussac, 1832) (unaccepted combination)
9. Species Helix (Gonostoma) diplomphala Möllendorff, 1885 accepted as Amphicoelina diplomphala (Möllendorff, 1885) (original combination)
10. Species Helix (Gonostoma) godarti Michaud, 1855 † accepted as Prosoosia godarti (Michaud, 1855) † (unaccepted > superseded combination)
11. Species Helix (Gonostoma) hispidula (Lamarck, 1822) accepted as Canariella hispidula (Lamarck, 1822) (unaccepted > superseded combination)
12. Species Helix (Gonostoma) jungi O. Boettger, 1897 † accepted as Klikia jungi (O. Boettger, 1897) † (unaccepted > superseded combination)
13. Species Helix (Gonostoma) lanosa Mousson, 1872 accepted as Canariella lanosa (Mousson, 1872) (unaccepted > superseded combination)
14. Species Helix (Gonostoma) leubii K. Miller, 1907 † accepted as Klikia praeosculina (K. Miller, 1907) † (subjective synonym)
15. Species Helix (Gonostoma) obvoluta O. F. Müller, 1774 accepted as Helicodonta obvoluta (O. F. Müller, 1774) (unaccepted > superseded combination)
16. Species Helix (Gonostoma) osculum Thomä, 1845 † accepted as Klikia osculum (Thomä, 1845) † (unaccepted > superseded combination)
17. Species Helix (Gonostoma) parryi Ponsonby & Sykes, 1895 accepted as Canariella pthonera (Mabille, 1883) (unaccepted > junior subjective synonym)
18. Species Helix (Gonostoma) patuliformis Sacco, 1886 † accepted as Eostrobilops patuliformis (Sacco, 1886) † (unaccepted > superseded combination)
19. Species Helix (Gonostoma) praeosculina K. Miller, 1907 † accepted as Klikia praeosculina (K. Miller, 1907) † (unaccepted > superseded combination)
20. Species Helix (Gonostoma) sublenticula F. Sandberger, 1858 † accepted as Canariella lapicidella (Thomä, 1845) † accepted as Pachycarocollina bouilletii (de Boissy, 1840) † (unaccepted > junior subjective synonym)
21. Species Helix (Gonostoma) sublenticuloides Łomnicki, 1886 † accepted as Canariella sublenticuloides (Łomnicki, 1886) † (unaccepted > superseded combination)
22. Species Helix (Gonostoma) tenuispirata Łomnicki, 1886 † accepted as Caracollina barreri (Bourguignat, 1881) † accepted as Praeoestophorella barreri (Bourguignat, 1881) † (unaccepted > junior subjective synonym)
23. Species Helix (Gonostoma) columnae Kobelt, 1889 (uncertain > taxon inquirendum)
24. Species Helix (Gonostoma) negropontina Westerlund, 1898 (uncertain > taxon inquirendum)
25. Species Helix (Gonostoma) walkeri Kobelt, 1889 (uncertain > unassessed)

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