Species within the genus
Helicostyla include: •
Helicostyla albina (Grateloup, 1840) •
Helicostyla amagaensis de Chavez, Kendrich, Fontanilla, Batomalaque & Chiba, 2015 •
Helicostyla amaliae (Möllendorff, 1890) •
Helicostyla aplomorpha (Jonas, 1843) •
Helicostyla bicolorata (I. Lea, 1840) •
Helicostyla boettgeriana (Möllendorff, 1888) •
Helicostyla bullula (Broderip, 1841) •
Helicostyla buschi (L. Pfeiffer, 1846) •
Helicostyla bustoi (Hidalgo, 1887) •
Helicostyla caesar (L. Pfeiffer, 1855) •
Helicostyla calamianica (Quadras Moellendorff, 1894) •
Helicostyla canonizadoi (Bartsch, 1932) •
Helicostyla chocolatina (Poppe, Tagaro & Sarino, 2015) •
Helicostyla cinerosa (L. Pfeiffer, 1855) •
Helicostyla collodes (G. B. Sowerby I, 1841) •
Helicostyla cunctator (Reeve, 1849) •
Helicostyla curta (G. B. Sowerby I, 1841) •
Helicostyla daphnis (Broderip, 1841) •
Helicostyla decorata (Férussac, 1821) •
Helicostyla delicata Fulton, 1903 •
Helicostyla dimera (Jonas, 1846) •
Helicostyla domingoi (Bartsch, 1919) •
Helicostyla dimera (Jonas, 1846) •
Helicostyla effusa (Pfeiffer, 1842) •
Helicostyla euconica (Bartsch, 1932) •
Helicostyla fastidiosa (Bartsch, 1932) •
Helicostyla faunus (Broderip, 1841) •
Helicostyla frater (Férussac, 1821) •
Helicostyla fulgens (G. B. Sowerby I, 1841) •
Helicostyla fulgetra (Broderip, 1841) •
Helicostyla gigas (Hidalgo, 1901) •
Helicostyla gilva (Pfeiffer, 1845) •
Helicostyla glaucophthalma (L. Pfeiffer, 1851) •
Helicostyla halichlora (Semper, 1866) •
Helicostyla hololeuca (L. Pfeiffer, 1855) •
Helicostyla huberorum Thach, 2021 •
Helicostyla imperator (Pfeiffer, 1848) •
Helicostyla indusiata (L. Pfeiffer, 1871) •
Helicostyla jonasi (L. Pfeiffer, 1846) •
Helicostyla juglans (L. Pfeiffer, 1842) •
Helicostyla lacerata (Semper, 1877) (nomen nudum) •
Helicostyla leai (L. Pfeiffer, 1846) •
Helicostyla leopardus (L. Pfeiffer, 1845) •
Helicostyla leucophaea (G. B. Sowerby I, 1841) •
Helicostyla librosa (L. Pfeiffer, 1857) •
Helicostyla lignaria (L. Pfeiffer, 1842) •
Helicostyla macrostoma (L. Pfeiffer, 1843) •
Helicostyla marinduquensis (Hidalgo, 1887) •
Helicostyla mateoi (Bartsch, 1932) •
Helicostyla mearnsi Bartsch, 1905 •
Helicostyla mirabilis (Férussac, 1821) •
Helicostyla montana (C. Semper, 1877) •
Helicostyla mus (Delessert, 1841) •
Helicostyla nobilis (Reeve, 1848) •
Helicostyla nux (C. Semper, 1877) •
Helicostyla okadai Kuroda, 1932 •
Helicostyla orbitula (Sowerby, 1841) •
Helicostyla palavanensis (L. Pfeiffer, 1857) •
Helicostyla persimilis (Deshayes, 1850) •
Helicostyla philippinensis (L. Pfeiffer, 1846) •
Helicostyla pictor (Broderip, 1841) •
Helicostyla pithogaster (Ferussac, 1821) •
Helicostyla polita Reeve, 1848 •
Helicostyla portii (L. Pfeiffer, 1861) •
Helicostyla rufogaster (Lesson, 1832) •
Helicostyla saranganica (Hidalgo, 1887) •
Helicostyla satyrus (Broderip, 1841) •
Helicostyla schadenbergi (Möllendorff, 1890) •
Helicostyla seckendorffiana (L. Pfeiffer, 1847) •
Helicostyla simonei Thach & F. Huber, 2021 •
Helicostyla simplex (Jonas, 1843) •
Helicostyla smaragdina (Reeve, 1842) •
Helicostyla solida (L. Pfeiffer, 1843) •
Helicostyla solivaga (Reeve, 1849) •
Helicostyla speciosa (Jay, 1839) •
Helicostyla tephrodes (L. Pfeiffer, 1843) •
Helicostyla thomsoni (L. Pfeiffer, 1871) •
Helicostyla ticaonica (Broderip, 1841) •
Helicostyla turbo (Pfeiffer, 1845) •
Helicostyla ventricosa (Bruguière, 1792) •
Helicostyla vidali (Hidalgo, 1887) •
Helicostyla villari (Hidalgo, 1887) •
Helicostyla volubilis (Reeve, 1851) •
Helicostyla weberi (Bartsch, 1919) •
Helicostyla woodiana (I. Lea, 1840) •
Helicostyla worcesteri Bartsch, 1909 ;Species brought into synonymy: •
Helicostyla aegle (Broderip, 1841): synonym of
Cochlostyla aegle (Broderip, 1841) •
Helicostyla annulata (G.B. Sowerby I, 1841): synonym of
Pachysphaera annulata (G. B. Sowerby I, 1841) (unaccepted combination) •
Helicostyla balteata (G.B. Sowerby I, 1841): synonym of
Pachysphaera balteata (G. B. Sowerby I, 1841) (unaccepted combination) •
Helicostyla bembicodes (Pfeiffer, 1851): synonym of
Helicobulinus bembicodes (L. Pfeiffer, 1851) (unaccepted combination) •
Helicostyla butleri (Pfeiffer, 1842): synonym of
Dryocochlias butleri (L. Pfeiffer, 1842) (unaccepted combination) •
Helicostyla camelopardalis (Broderip, 1841): synonym of
Hypselostyla camelopardalis (Broderip, 1841) (unaccepted combination) •
Helicostyla carinata (Lea, 1840): synonym of
Hypselostyla carinata (I. Lea, 1840) (
superseded combination) •
Helicostyla cincinna (G.B. Sowerby I, 1840): synonym of
Hypselostyla cincinna (G. B. Sowerby I, 1841) (unaccepted combination) •
Helicostyla cincinniformis (G.B. Sowerb Iy, 1841): synonym of
Hypselostyla cincinniformis (G. B. Sowerby I, 1841) (superseded combination) •
Helicostyla collodes (G.B. Sowerby I, 1841): synonym of
Cochlostyla collodes (G. B. Sowerby I, 1841) (superseded combination) •
Helicostyla concinna (G.B. Sowerby I, 1841): synonym of
Hypselostyla concinna (G. B. Sowerby I, 1841) (unaccepted combination) •
Helicostyla curta (G.B. Sowerby I, 1841) : synonym of
Cochlostyla curta (G. B. Sowerby I, 1841) (superseded combination) •
Helicostyla dactylus (Broderip, 1841): synonym of
Hypselostyla dactylus (Broderip, 1841) (superseded combination) •
Helicostyla daphnis (Broderip, 1841): synonym of
Cochlostyla daphnis (Broderip, 1841) (superseded combination) •
Helicostyla decora (A. Adams & Reeve, 1850): synonym of
Cochlodryas decora (A. Adams & Reeve, 1850) (superseded combination) •
Helicostyla denticulata (Jay, 1839): synonym of
Calocochlea denticulata (Jay, 1839) (superseded combination) •
Helicostyla dimera (Jonas, 1846): synonym of
Cochlostyla dimera (Jonas, 1846) (superseded combination) •
Helicostyla diana (Broderip, 1841): synonym of
Hypselostyla diana (Broderip, 1841) (unaccepted combination) •
Helicostyla dubiosa (Pfeiffer, 1846): synonym of
Cochlostyla dubiosa (L. Pfeiffer, 1846) (superseded combination •
Helicostyla euconica (Bartsch, 1932): synonym of
Cochlostyla effusa (L. Pfeiffer, 1843) •
Helicostyla evanescens (Broderip, 1841): synonym of
Hypselostyla evanescens (Broderip, 1841) (unaccepted combination) •
Helicostyla fenestrata (Sowerby I, 1841): synonym of
Pachysphaera fenestrata (G. B. Sowerby I, 1841) (superseded combination) •
Helicostyla florida (Sowerby I, 1841): synonym of
Cochlodryas florida (G. B. Sowerby I, 1841) (superseded combination) •
Helicostyla fulgens (Broderip, 1841): synonym of
Cochlostyla fulgens (G. B. Sowerby I, 1841) (superseded combination) •
Helicostyla fulgetra (Broderip, 1841): synonym of
Cochlostyla fulgetra (Broderip, 1841) •
Helicostyla grandis (Pfeiffer, 1845): synonym of
Helicobulinus grandis (L. Pfeiffer, 1845) (unaccepted combination) •
Helicostyla hydrophana G.B. Sowerby I, 1841: synonym of
Dryocochlias metaformis (Férussac, 1821) (junior synonym) •
Helicostyla ignobilis Sowerby I, 1841: synonym of
Cochlodryas ignobilis (G. B. Sowerby I, 1841) (superseded combination) •
Helicostyla iloconensis (Sowerby I, 1841): synonym of
Pachysphaera iloconensis (G. B. Sowerby I, 1841) (misspelling of original genus name, Orustia, Mörch, 1852) •
Helicostyla jonasi (Pfeiffer, 1845): synonym of
Cochlostyla jonasi (L. Pfeiffer, 1846) (superseded combination) •
Helicostyla juglans (Pfeiffer, 1842): synonym of
Cochlostyla juglans (L. Pfeiffer, 1842) (superseded combination) •
Helicostyla leopardus (Pfeiffer, 1845): synonym of
Cochlostyla leopardus (L. Pfeiffer, 1845) (superseded combination) •
Helicostyla leucophaea (Sowerby I, 1841): synonym of
Cochlostyla leucophaea (G. B. Sowerby I, 1841) (superseded combination) •
Helicostyla lignaria (Pfeiffer, 1842): synonym of
Cochlostyla lignaria (L. Pfeiffer, 1842) (suspected synonym) •
Helicostyla macrostoma (Pfeiffer, 1843): synonym of
Cochlostyla macrostoma (L. Pfeiffer, 1843) (superseded combination) •
Helicostyla marinduquensis (Hidalgo, 1887): synonym of
Cochlostyla marinduquensis Hidalgo, 1887 (superseded combination) •
Helicostyla metaformis (Ferussac, 1821): synonym of
Dryocochlias metaformis (Férussac, 1821) (misspelling of original name, Corasia, Albers, 1850) •
Helicostyla mindoroensis W. J. Broderip, 1892 : synonym of
Chrysallis mindoroensis (Broderip, 1841) (unaccepted generic combination) •
Helicostyla mirabilis (Ferussac, 1821): synonym of
Cochlostyla mirabilis (Férussac, 1821) (superseded combination) •
Helicostyla montana Semper, 1891: synonym of
Cochlostyla montana C. Semper, 1877 (superseded combination) •
Helicostyla monticula (G.B. Sowerby I, 1841): synonym of
Orustia monticula (G. B. Sowerby I, 1841) (misspelling of original genus name, Orustia, Mörch, 1852) •
Helicostyla nimbosa (Broderip, 1841): synonym of
Hypselostyla nimbosa (Broderip, 1841) (unaccepted combination) •
Helicostyla olanivanensis (Bartsch, 1913): synonym of
Cochlostyla olanivanensis Bartsch, 1913 •
Helicostyla opalina (G.B. Sowerby I, 1841): synonym of
Phengus opalinus (G. B. Sowerby I, 1841) •
Helicostyla phaeostyla (Pfeiffer, 1856): synonym of
Cochlostyla phaeostyla (L. Pfeiffer, 1857) •
Helicostyla pictor (Broderip, 1841): synonym of
Cochlostyla pictor (Broderip, 1841) (superseded combination) •
Helicostyla polillensis (Pfeiffer, 1861): synonym of
Cochlostyla polillensis (L. Pfeiffer, 1861) accepted as
Calocochlea polillensis (L. Pfeiffer, 1861) •
Helicostyla pudibunda Semper, 1891: synonym of
Pfeifferia pudibunda (C. Semper, 1877) (unaccepted combination) •
Helicostyla rehbeini (L. Pfeiffer, 1852): synonym of
Dryocochlias rehbeini (L. Pfeiffer, 1852) (unaccepted combination) •
Helicostyla rufogaster (Lesson, 1831): synonym of
Cochlostyla rufogaster (Lesson, 1832) (superseded combination) •
Helicostyla rustica (Mousson, 1849): synonym of
Dryocochlias metaformis rustica (Mousson, 1849) •
Helicostyla sarcinosa (Ferussac, 1821): synonym of
Helicobulinus sarcinosa (Férussac, 1821) •
Helicostyla satyra (Broderip, 1841): synonym of
Cochlostyla satyrus (Broderip, 1841) (superseded combination) •
Helicostyla simplex (Jonas, 1843): synonym of
Cochlostyla simplex (Jonas, 1843) (superseded combination) •
Helicostyla solivaga (Reeve, 1849): synonym of
Cochlostyla solivaga (Reeve, 1849) (superseded combination) •
Helicostyla sphaerica (Sowerby I, 1841): synonym of
Pachysphaera sphaerica (G. B. Sowerby I, 1841) •
Helicostyla submirabilis Möllendorff, 1897: synonym of
Cochlostyla submirabilis Möllendorff, 1897 (unaccepted combination) • *
Helicostyla turbinoides (Broderip, 1841): synonym of
Helicobulinus turbinoides (Broderip, 1841) (superseded combination) •
Helicostyla velata (Broderip, 1841): synonym of
Hypselostyla velata (W.J. Broderip, 1841) •
Helicostyla ventricosa (Bruguière, 1792): synonym of
Cochlostyla ventricosa (Bruguière, 1792) (superseded combination) •
Helicostyla viridostriata (Lea, 1840): synonym of
Cochlodryas viridostriata (I. Lea, 1840) (superseded combination) •
Helicostyla woodiana (Lea, 1840): synonym of
Cochlostyla woodiana (I. Lea, 1840) (superseded combination) ==References==