Gulella

{{Short description|Genus of gastropods}} {{Use dmy dates|date=July 2024}} {{Automatic taxobox | image = Gulella io shell.jpg | image_caption = Two different views of two shells of ''Gulella io'' | display_parents = 3 | taxon = Gulella | authority = Pfeiffer, 1856<ref>{{in lang|de}} Pfeiffer L. (1856). "Versuch einer Anordnung der Heliceen nach natürlichen Gruppen". ''Malakozoologische Blätter'' '''2''': 112–185. Cassel.</ref> | type_species = ''Pupa menkeana'' | type_species_authority = L. Pfeiffer, 1853 | synonyms_ref = | synonyms = * ''Diaphera (Huttonella)'' L. Pfeiffer, 1856 (superseded combination) * ''Ennea (Gulella)'' L. Pfeiffer, 1856 (original rank) * ''Ennea (Huttonella)'' L. Pfeiffer, 1856 (original combination) * ''Ennea (Paucidentata)'' (spelling error) * ''Ennea (Uniplicaria)'' L. Pfeiffer, 1856 (superseded combination) * ''Gulella (Gulella)'' L. Pfeiffer, 1856· accepted, alternate representation * ''Gulella (Huttonella)'' L. Pfeiffer, 1856· accepted, alternate representation * ''Gulella (Maurennea)'' Schileyko, 2000· accepted, alternate representation * ''Gulella (Molarella)'' Connolly, 1922· accepted, alternate representation * ''Gulella (Paucidentina)'' E. von Martens, 1897· accepted, alternate representation * ''Gulella (Plicigulella)'' Pilsbry, 1919· accepted, alternate representation * ''Gulella (Tortigulella)'' Pilsbry, 1919· accepted, alternate representation * ''Gulella (Uniplicaria)'' E. von Martens, 1895 (preoccupied name) * ''Gulella (Uniplicaria)'' L. Pfeiffer, 1856· accepted, alternate representation * ''Gulella (Wilmattina)'' Pilsbry & Cockerell, 1933· accepted, alternate representation * ''Gulella (Zulugulella)'' Rowson & Herbert, 2016· accepted, alternate representation * ''Huttonella'' L. Pfeiffer, 1856 * ''Maurennea'' Schileyko, 2000 * ''Ptychotrema (Wilmattina)'' Pilsbry & Cockerell, 1933 (original combination) }}

'''''Gulella''''' is a genus of very small air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Streptaxidae.<ref name="WoRMS">MolluscaBase eds. (2021). MolluscaBase. Gulella L. Pfeiffer, 1856. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=818295 on 11 January 2021</ref>

Until recently, species which are now in the genus ''Costigulella'' were included here.

== Distribution == Distribution of the genus ''Gulella'' include: * Afrotropical:<ref name="Sutcharit 2010"/> Uganda (20 species)<ref name="Wronski 2010">Wronski T. & Hausdorf B. (2010). "Diversity and body-size patterns of land snails in rain forests in Uganda". ''Journal of Molluscan Studies'' '''76'''(1): 87–100. {{doi|10.1093/mollus/eyp048}}.</ref> * Arabia<ref name="Sutcharit 2010"/> * Madagascar<ref name="Sutcharit 2010"/> * Comoros<ref name="Sutcharit 2010"/> * the Seychelles<ref name="Sutcharit 2010"/> * Mauritius<ref name="Sutcharit 2010">Sutcharit C., Naggs F., Wade C. M., Fontanilla I. & Panha S. (2010). "The new family Diapheridae, a new species of ''Diaphera'' Albers from Thailand, and the position of the Diapheridae within a molecular phylogeny of the Streptaxoidea (Pulmonata: Stylommatophora)". ''Zoological Journal of the Linnean Society'' '''160''': 1–16. {{doi|10.1111/j.1096-3642.2009.00598.x}}.</ref>

== Species == Species within the large genus ''Gulella'' include: {{div col|colwidth=20em}} * ''Gulella aberdarensis'' Preston, 1913 * ''Gulella acutidens'' (O. Boettger, 1905) * ''Gulella adami'' van Bruggen, 1994 * ''Gulella aequidentata'' (E. A. Smith, 1890) * ''Gulella afrooccidentalis'' Verdcourt, 2004 * ''Gulella albersi'' (L. Pfeiffer, 1855) * ''Gulella albinus'' van Bruggen & Van Goethem, 1999 * ''Gulella albogilva'' Germain, 1934 * ''Gulella aliciae'' (Melvill & Ponsonby, 1907) * ''Gulella alleni'' Verdcourt, 1974 * ''Gulella alutacea'' Connolly, 1932 * ''Gulella amaniensis'' Verdcourt, 1953 * ''Gulella ambalaniranae'' Emberton, 2001 * ''Gulella ambanikelia'' Emberton, 2001 * ''Gulella ambodipelomosiae'' Emberton, 2002<ref name="Emberton 2002">Emberton K. C. (2002). "''Parvedentulina'' and edentate ''Gulella'' of Madagascar (Gastropoda: Stylommatophora: Streptaxidae)". ''Archiv für Molluskenkunde'' 131(1/2): 67–165. [https://www.schweizerbart.de/resources/downloads/paper_previews/73642.pdf abstract].</ref> * ''Gulella ambrensis'' Emberton, 2001 * ''Gulella amicta'' (E. A. Smith, 1890) * ''Gulella analamerae'' Emberton, 2001 * ''Gulella andreana'' Fischer-Piette, Blanc, F. & Vukadinovic, 1974 * ''Gulella andriantanteliae''<ref name="Emberton 2010">Emberton K C., Slapcinsky J., Campbell C. A., Rakotondrazafy J. A., Andriamiarison T. N. & Emberton J. D. (2010). "Terrestrial mollusks of Andriantantely Massif, Eastern Madagascar, with descriptions of 36 new species (Gastropoda: Caenogastropoda; Pulmonata)". ''Archiv für Molluskenkunde'' '''139'''(1): 71–141. {{doi|10.1127/arch.moll/1869-0963/139/071-141}}</ref> * ''Gulella ankaranaensis'' Fischer-Piette, Blanc, C.P., Blanc, F. & Salvat, 1994 * ''Gulella annibiodiversitatis'' van Bruggen, 2011 * ''Gulella antelmeana'' Peile, 1936 * ''Gulella antongilae'' Emberton, 2001 * ''Gulella appletoni'' van Bruggen, 1975 * ''Gulella aprosdoketa'' Connolly, 1939 * ''Gulella aranearum'' van Bruggen, 1986 * ''Gulella argoudi'' Griffiths, 2000 * ''Gulella arnoldi'' (Sturany, 1898) * ''Gulella arthuri'' (Dautzenberg, 1890) * ''Gulella atewana'' de Winter, 1996 * ''Gulella aversostriata'' Verdcourt, 1985 * ''Gulella azeitonae'' D. Holyoak & G. Holyoak, 2020 * ''Gulella baccata'' (Preston, 1913) * ''Gulella bancoensis'' de Winter, 1996 * ''Gulella barbarae'' Connolly, 1929 * ''Gulella barnardi'' van Bruggen, 1965 * ''Gulella bassetti'' Burnup, 1925 * ''Gulella beandreana'' Emberton, 2001<ref name="Emberton 2009">Emberton K. C. & Griffiths O. L. (2009). "Pulmonate land mollusks from three rainforest transects in northeastern Madagascar: part 1 of 2, with descriptions of 12 new species and one new subspecies (Gastropoda: Pulmonata)". ''Archiv für Molluskenkunde'' 138(2): 137–167. {{doi|10.1127/arch.moll/1869-0963/138/137-167}}.</ref> * ''Gulella bebokae'' Emberton, 2001 * ''Gulella bemarahae'' Emberton, 2001 * ''Gulella bemoka'' Emberton, 2001 * ''Gulella benetecta'' Connolly, 1930 * ''Gulella benjamini'' Emberton & Pearce, 2000 * ''Gulella bernardi'' van Bruggen & Van Goethem, 1997 * ''Gulella betamponae'' Emberton, 2002<ref name="Emberton 2002"/> * ''Gulella bicolor'' (T. Hutton, 1834) * ''Gulella bitzeense'' Connolly, 1922 * ''Gulella bobaombiae'' Emberton, 2001 * ''Gulella bolocoensis'' Ortiz de Zárate López & Ortiz de Zárate Rocandio, 1956 * ''Gulella bomolensis'' Verdcourt, 1953 * ''Gulella bomvana'' Cole & Herbert, 2009 * ''Gulella bondi'' Verdcourt, 1962 * ''Gulella bouchardi'' Fischer-Piette, Blanc, F. & Vukadinovic, 1974 * ''Gulella boucheti'' Fischer-Piette, Blanc, C.P., Blanc, F. & Salvat, 1994 * ''Gulella bowkerae'' (Melvill & Ponsonby, 1892) * ''Gulella brevicula'' (Morelet, 1882) * ''Gulella brevis'' (Thiele, 1911) * ''Gulella bruggeni'' Cole & Herbert, 2009 * ''Gulella burnupi'' (Melvill & Ponsonby, 1897) * ''Gulella burungaensis'' (Preston, 1913) * ''Gulella bushmanensis'' Burnup, 1926 * ''Gulella cacosystata'' Germain, 1934 * ''Gulella cacuminata'' Ortiz de Zárate López & Ortiz de Zárate Rocandio, 1956 * ''Gulella cairnsi'' (Melvill & Ponsonby, 1897) * ''Gulella callosa'' (Morelet, 1881) * ''Gulella calopasa'' (Melvill & Ponsonby, 1903) * ''Gulella camerani'' (Pollonera, 1906) * ''Gulella cancellata'' Connolly, 1922 * ''Gulella candela'' Connolly, 1922 * ''Gulella candidula'' (Morelet, 1889) * ''Gulella capmini'' Emberton, 2001 * ''Gulella cara'' Pilsbry, 1919<ref name="Pilsbry 1919">Pilsbry H. A. (1919). "A review of the land mollusks of the Belgian Congo chiefly based on the collection of the American Museum Congo Expedition, 1909–1915". ''Bulletin of the American Museum of Natural History'' '''40'''(1): 1–370. page 7, 215–216, 228, 231, 233–234.</ref> * ''Gulella carea'' (Preston, 1913) * ''Gulella caroli'' (Kobelt, 1913) * ''Gulella carpenteri'' Connolly, 1931 * ''Gulella caryatis'' (Melvill & Ponsonby, 1898) * ''Gulella cavidens'' (E. von Martens, 1876) * ''Gulella ceciliae'' van Bruggen, 1971 * ''Gulella celestinae'' Emberton, 2001 * ''Gulella cerea'' (Dunker, 1848) * ''Gulella chapini'' Pilsbry, 1919 * ''Gulella cheranganiensis'' Germain, 1934 * ''Gulella chi'' Burnup, 1926 * ''Gulella claustralis'' Connolly, 1939 * ''Gulella claustrum'' (Preston, 1913) * ''Gulella coarctata'' (D'Ailly, 1910) * ''Gulella coarti'' (Dautzenberg & Germain, 1914) * ''Gulella coeni'' (Preston, 1913) * ''Gulella collicola'' van Bruggen, 1966 * ''Gulella columella'' (E. A. Smith, 1903) * ''Gulella columna'' Emberton, 2001 * ''Gulella columnella'' (Melvill & Ponsonby, 1901) * ''Gulella commoda'' (E. A. Smith, 1903) * ''Gulella comorensis'' (E. von Martens, 1876) * ''Gulella conicodentata'' K. L. Pfeiffer, 1952 * ''Gulella connollyi'' (Melvill & Ponsonby, 1909) * ''Gulella conradti'' (E. von Martens, 1895) * ''Gulella consanguinea'' (E. A. Smith, 1890) * ''Gulella consobrina'' (Ancey, 1892) * ''Gulella consociata'' (E. A. Smith, 1890) * ''Gulella constricta'' Emberton, 2001 * ''Gulella contingens'' Burnup, 1925 * ''Gulella contraria'' Connolly, 1932 * ''Gulella copiosa'' (Preston, 1913) * ''Gulella corneola'' (Morelet, 1886) * ''Gulella costellata'' (Morelet, 1882) * ''Gulella crassidens'' (L. Pfeiffer, 1859) * ''Gulella crassilabris'' (Craven, 1881) * ''Gulella craterodon'' (Melvill & Ponsonby, 1903) * ''Gulella cruciata'' (E. von Martens, 1900) * ''Gulella crux'' van Bruggen, 2011 * ''Gulella crystallum'' (Morelet, 1848) * ''Gulella cupula'' van Bruggen & Van Goethem, 1999 * ''Gulella curvicolumella'' (Preston, 1913) * ''Gulella curvilamella'' (E. A. Smith, 1890) * ''Gulella cyclochilus'' Degner, 1934 * ''Gulella cylindrica'' (L. Pfeiffer, 1852) * ''Gulella daedalea'' (Melvill & Ponsonby, 1903) * ''Gulella darglensis'' (Melvill & Ponsonby, 1908) * ''Gulella dartevillei'' Verdcourt, 1962 * ''Gulella dautzenbergi'' Connolly, 1928 * ''Gulella davisae'' Herbert, 2016 * ''Gulella decaryi'' Fischer-Piette & Vukadinovic, 1974 * ''Gulella decussatula'' (Preston, 1913)<ref name="Wronski 2010"/> * ''Gulella dejae'' Bursey & Herbert, 2004 * ''Gulella delicatula'' (L. Pfeiffer, 1857) * ''Gulella dentiens'' (Morelet, 1883) * ''Gulella devia'' Connolly, 1931 * ''Gulella deviae'' Herbert, 2006<ref name="Herbert 2006">Herbert D. (2006). "Rediscovery of the type species of ''Euonyma'' (Subulinidae) and observations on South African species of ''Gulella'' (Streptaxidae), with description of two new species (Gastropoda: Eupulmonata)". ''Journal of Natural History'' '''40'''(17–18): 1063–1081. {{doi|10.1080/00222930600845218}}.</ref> * ''Gulella dextrorsa'' Burnup, 1925 * ''Gulella diabensis'' Connolly, 1939 * ''Gulella diodon'' (Morelet, 1882) * ''Gulella discrepans'' (Sturany, 1898) * ''Gulella disseminata'' (Preston, 1913) * ''Gulella distincta'' (Melvill & Ponsonby, 1893) * ''Gulella dohrni'' (E. A. Smith, 1882) * ''Gulella dolichos'' Verdcourt, 1985 * ''Gulella doliolum'' (Morelet, 1867) * ''Gulella dorri'' (Dautzenberg, 1890) * ''Gulella drakensbergensis'' (Melvill & Ponsonby, 1893) * ''Gulella duncani'' Connolly, 1930 * ''Gulella dunkeri'' (L. Pfeiffer, 1856) * ''Gulella dupuisi'' Connolly, 1922 * ''Gulella dupuyana'' (Crosse, 1876) * ''Gulella ectodentata'' van Bruggen & Van Goethem, 1999 * ''Gulella elliptica'' (Melvill & Ponsonby, 1898) * ''Gulella enneodon'' Connolly, 1922 * ''Gulella eoryi'' Verdcourt, 2004 * ''Gulella erugo'' Rowson, Foster, Seddon & Tattersfield, 2019 * ''Gulella escalarai'' Ortiz de Zárate López & Ortiz de Zárate Rocandio, 1956 * ''Gulella eussoensis'' (Preston, 1913) * ''Gulella euthymia'' (Melvill & Ponsonby, 1893) * ''Gulella excavata'' (E. von Martens, 1892) * ''Gulella excruciata'' Connolly, 1931 * ''Gulella exogonia'' (E. von Martens, 1895) * ''Gulella expatriata'' (Preston, 1910) * ''Gulella falconi'' Burnup, 1925 * ''Gulella farquhari'' (Melvill & Ponsonby, 1895) * ''Gulella fernandensis'' Ortiz de Zárate López & Ortiz de Zárate Rocandio, 1956 * ''Gulella filix'' Connolly, 1922 * ''Gulella fischerpiettei'' Emberton, 2001 * ''Gulella formosa'' (Melvill & Ponsonby, 1898) * ''Gulella fortidentata'' (E.A. Smith, 1890) * ''Gulella fotobohitrae'' Emberton, 2001 * ''Gulella foveolata'' Preston, 1913 * ''Gulella framesi'' Burnup, 1926 * ''Gulella fraudator'' Connolly, 1939<ref name="Herbert 2006"/> * ''Gulella funerea'' (Preston, 1913) * ''Gulella galactochila'' (Crosse, 1885) * ''Gulella gallorum'' Fischer-Piette, Blanc, F. & Salvat, 1975 * ''Gulella garambae'' van Bruggen & Van Goethem, 1999 * ''Gulella genialis'' (Melvill & Ponsonby, 1903) * ''Gulella gestroi'' (Germain, 1915) * ''Gulella girardi'' (Kobelt, 1904) * ''Gulella glabra'' (Morelet, 1882) * ''Gulella godfreyi'' Burnup, 1925 * ''Gulella gouldi'' (L. Pfeiffer, 1856) * ''Gulella greenwayi'' Verdcourt, 1953 * ''Gulella griffithsi'' Emberton, 2001 * ''Gulella guilielmi'' van Bruggen & Van Goethem, 1998 * ''Gulella gwendolinae'' (Preston, 1910) * ''Gulella hadroglossa'' Herbert, 2016 * ''Gulella hafa'' Emberton, 2001 * ''Gulella hafahafa'' Emberton, 2001 * ''Gulella hamerae'' Bursey & Herbert, 2004 * ''Gulella handeiensis'' Verdcourt, 1953 * ''Gulella harriesi'' Burnup, 1926 * ''Gulella haullevillei'' (Dautzenberg & Germain, 1914) * ''Gulella hector'' (Preston, 1913) * ''Gulella helichrysophila'' Germain, 1934 * ''Gulella hemmingi'' Verdcourt, 1963 * ''Gulella herberti'' van Bruggen, 2004 * ''Gulella heteromphala'' Pilsbry, 1919 * ''Gulella hildae'' van Bruggen, 2001 * ''Gulella himerothales'' (Melvill & Ponsonby, 1903) * ''Gulella hoqensis'' Neubert, 2004 * ''Gulella hordeum'' (Morelet, 1879) * ''Gulella hughscotti'' Verdcourt, 1980 * ''Gulella humbloti'' (Morelet, 1886) * ''Gulella impedita'' Connolly, 1922 * ''Gulella inconspicua'' (Thiele, 1911) * ''Gulella incurvidens'' van Bruggen, 1972 * ''Gulella infans'' (Craven, 1881) * ''Gulella infrendens'' (E. von Martens, 1866) * ''Gulella ingloria'' (Preston, 1913) * ''Gulella inhluzaniensis'' (Burnup, 1914) * ''Gulella inobstructa'' van Bruggen, 1965 * ''Gulella insolita'' (E. A. Smith, 1903) * ''Gulella instabilis'' (Sturany, 1898) * ''Gulella insularis'' (Girard, 1894) * ''Gulella insulincola'' van Bruggen, 1975 * ''Gulella intradentata'' (Preston, 1913) * ''Gulella intrusa'' Verdcourt, 1956 * ''Gulella io'' Verdcourt, 1974 * ''Gulella iridescens'' (Preston, 1913) * ''Gulella isipingoensis'' (Sturany, 1898) * ''Gulella isseli'' (Paladilhe, 1872) * ''Gulella jaominai'' Emberton, 2001 * ''Gulella jod'' (Preston, 1910) * ''Gulella johannae'' van Bruggen, 2006 * ''Gulella johannesburgensis'' (Melvill & Ponsonby, 1907) * ''Gulella jongkindi'' de Winter, 1996 * ''Gulella josephinae'' Emberton, 2001 * ''Gulella juxtidens'' (Melvill & Ponsonby, 1899) * ''Gulella kelibea'' Emberton, 2001 * ''Gulella kelimolotra'' Emberton, 2002<ref name="Emberton 2002"/> * ''Gulella kendrae'' Emberton & Griffiths, 2009<ref name="Emberton 2009"/> * ''Gulella kidundae'' Adam, 1965 * ''Gulella kigeziensis'' (Preston, 1913) * ''Gulella kohllarseni'' (Haas, 1936) * ''Gulella kosiensis'' (Melvill & Ponsonby, 1908) * ''Gulella kraussi'' (L. Pfeiffer, 1856) * ''Gulella kulalensis'' Verdcourt, 1962 * ''Gulella labiotuberculata'' Connolly, 1942 * ''Gulella lacuna'' (Preston, 1911) * ''Gulella laevigata'' (Dohrn, 1865) * ''Gulella laevorsa'' Burnup, 1925 * ''Gulella lambda'' Degner, 1934 * ''Gulella lamyi'' (Dautzenberg & Germain, 1914) * ''Gulella landianiensis'' (Dautzenberg, 1908) * ''Gulella langei'' Rowson, Foster, Seddon & Tattersfield, 2019 * ''Gulella laninifia'' Emberton, 2002<ref name="Emberton 2002"/> * ''Gulella laqueus'' (Preston, 1913) * ''Gulella larva'' (Morelet, 1877) * ''Gulella latimerae'' Bursey & Herbert, 2004 * ''Gulella lawrencei'' van Bruggen, 1964 * † ''Gulella leakeyi'' Verdcourt, 1963 * ''Gulella lendix'' (E. A. Smith, 1890) * ''Gulella lessensis'' Pilsbry, 1919 * ''Gulella leucocion'' Connolly, 1929 * ''Gulella lievrouwi'' van Bruggen & Van Goethem, 1999 * ''Gulella lima'' (Preston, 1913) * ''Gulella lincolni'' Emberton & Griffiths, 2009<ref name="Emberton 2009"/> * ''Gulella lindae'' Herbert, 2006<ref name="Herbert 2006"/> * ''Gulella linguidens'' Connolly, 1939 * ''Gulella lissophanes'' (Melvill & Ponsonby, 1892) * ''Gulella lohabea'' Emberton, 2001 * ''Gulella lornae'' Verdcourt, 1952 * ''Gulella loveridgei'' van Bruggen, 1996 * ''Gulella lubeti'' Fischer-Piette, Blanc, C.P., Blanc, F. & Salvat, 1994 * ''Gulella lubrica'' (Morelet, 1881) * ''Gulella ludwigi'' Verdcourt & Venmans, 1953 * ''Gulella magnifica'' Emberton, 2001 * ''Gulella magnolia'' (Connolly, 1912) * ''Gulella magnorchida'' Emberton, 2001 * ''Gulella mahafinaratra'' Emberton, 2001 * ''Gulella mahagaga'' Emberton, 2001 * ''Gulella mahia'' Emberton, 2001 * ''Gulella malasangiensis'' (Preston, 1913) * ''Gulella mamellensis'' Griffiths, 2000 * ''Gulella manomboae'' Emberton, 2001 * ''Gulella mariae'' (Melvill & Ponsonby, 1892) * ''Gulella marionae'' (Preston, 1910) * ''Gulella maritzburgensis'' (Melvill & Ponsonby, 1893) * ''Gulella marojejyae'' Emberton, 2001 * ''Gulella masoalae'' Emberton, 2001 * ''Gulella masis iensis'' Pilsbry, 1919 * ''Gulella matavymolotra'' Emberton, 2002<ref name="Emberton 2002"/> * ''Gulella matumbiensis'' Verdcourt, 1993 * ''Gulella mayottensis'' Connolly, 1925 * † ''Gulella mbili'' Pickford, 2009 * ''Gulella megapex'' Neubert, 2004 * ''Gulella melvilli'' (Burnup, 1914) * ''Gulella meneleki'' (Preston, 1910) * ''Gulella menkeana'' (L. Pfeiffer, 1853) * ''Gulella menkhorsti'' van Bruggen, 2011 * ''Gulella meruensis'' (D'Ailly, 1910) * ''Gulella mfongosiensis'' Burnup, 1925 * ''Gulella miaranoniae'' Emberton, 2001 * ''Gulella miaryi'' Fischer-Piette & Bedoucha, 1964 * ''Gulella micans'' K. L. Pfeiffer, 1952 * ''Gulella michellae'' Emberton, 2001 * ''Gulella microdina'' (Morelet, 1883) * ''Gulella microdon'' (Morelet, 1860) * ''Gulella microrutshuruensis'' van Bruggen, 1995 * ''Gulella microstriata'' Emberton, 2001 * ''Gulella mihomehia'' Emberton, 2001 * ''Gulella mikenoensis'' (Preston, 1913) * ''Gulella miniata'' (F. Krauss, 1848) * ''Gulella minuscula'' Emberton & Pearce, 2000<ref name="Emberton 2002"/> * ''Gulella minuta'' (Morelet, 1889) * ''Gulella minutissima'' (Thiele, 1911) * ''Gulella mitsikia'' Emberton, 2001 * ''Gulella mkuu'' Rowson, Seddon & Tattersfield, 2009 * ''Gulella modioliformis'' (Morelet, 1877) * † ''Gulella moja'' Pickford, 2009 * ''Gulella mongolae'' Ortiz de Zárate Lopez & Ortiz de Zárate Rocandio, 1956 * ''Gulella monodon'' (Morelet, 1873) * ''Gulella montium'' (D'Ailly, 1910) * ''Gulella mooiensis'' (Burnup, 1914) * ''Gulella msoalae'' Emberton, 2001 * ''Gulella multidentata'' (Sturany, 1898) * ''Gulella munita'' (Melvill & Ponsonby, 1892) * ''Gulella nakamaroa'' Emberton, 2001 * ''Gulella namorokae'' Emberton, 2001 * ''Gulella natalensis'' (Craven, 1881) * ''Gulella ndibo'' Cole & Herbert, 2009 * ''Gulella nemoralis'' (Germain, 1915) * ''Gulella nepia'' Connolly, 1925 * ''Gulella newmani'' Bursey & Herbert, 2004 * ''Gulella newtoni'' (E. A. Smith, 1890) * ''Gulella ngorogoroensis'' Verdcourt, 1985 * ''Gulella nifikelia'' Emberton, 2001 * † ''Gulella nne'' Pickford, 2009 * ''Gulella noltei'' (Boettger, 1898) * ''Gulella nosybei'' Emberton, 2001 * ''Gulella nuchalis'' van Bruggen, 2011 * ''Gulella nyikaensis'' (Preston, 1913) * ''Gulella nyiroensis'' (Preston, 1913) * ''Gulella obani'' Oke, 2007<ref>Oke C. O. (2007). "A new species of Streptaxidae (Mollusca: Gastropoda: Pulmonata) from southeastern Nigeria". ''African Zoology'' '''42'''(2): 286–288. {{doi|10.3377/1562-7020(2007)42[286:ANSOSM]2.0.CO;2}}.</ref> * ''Gulella obovata'' (L. Pfeiffer, 1855) * ''Gulella obstructa'' van Bruggen, 1965 * ''Gulella odhneriana'' Dupuis, 1923 * ''Gulella odietei'' Oke, 2013 * ''Gulella ogbeifuni'' Oke, 2013 * ''Gulella olkokolae'' W. Adam, 1965 * ''Gulella opoboensis'' (Preston, 1914) * ''Gulella orchida'' Emberton, 2001 * ''Gulella orientalis'' Connolly, 1929 * ''Gulella oryza'' (Morelet, 1882) * ''Gulella ovalis'' (Thiele, 1911) * ''Gulella ovularis'' (Morelet, 1886) * ''Gulella pangumana'' Connolly, 1928 * ''Gulella papyracea'' (Preston, 1913) * ''Gulella paucidens'' Verdcourt, 1953 * ''Gulella pearcei'' Emberton, 2001 * ''Gulella peculiaris'' (E. A. Smith, 1890) * ''Gulella penningtoni'' Burnup, 1925 * ''Gulella pentheri'' (Sturany, 1898) * ''Gulella pentodon'' (Morelet, 1889) * ''Gulella percivali'' (Preston, 1913) * ''Gulella pergrata'' (Preston, 1913) * ''Gulella perissodonta'' (Sturany, 1898) * ''Gulella perlata'' Connolly, 1922 * ''Gulella perplexa'' Connolly, 1939 * ''Gulella perspicua'' (Melvill & Ponsonby, 1893) * ''Gulella perspicuaeformis'' (Sturany, 1898) * ''Gulella pervitrea'' (Preston, 1913) * ''Gulella petitboucheti'' Emberton, 2001 * ''Gulella pfeifferi'' (Krauss in Kuster, 1844) * ''Gulella phanerodon'' (Morelet, 1888) * ''Gulella phragma'' (Melvill & Ponsonby, 1907) * ''Gulella phyllisae'' Burnup, 1925 * ''Gulella planidens'' (E. von Martens, 1892) * ''Gulella planti'' (L. Pfeiffer, 1856) – Plant's gulella snail * ''Gulella platycostata'' Neubert, 2004 * ''Gulella plicigera'' (Morelet, 1886) * ''Gulella polita'' (Melvill & Ponsonby, 1893) * ''Gulella polloneriana'' Pilsbry, 1919 * ''Gulella pondoensis'' Connolly, 1939 * ''Gulella ponsonbyi'' (Burnup, 1914) * ''Gulella porcina'' Connolly, 1930 * ''Gulella poutrini'' (Germain, 1918) * ''Gulella praelonga'' Connolly, 1922 * ''Gulella premnodes'' (Sturany, 1902) * ''Gulella prestoni'' Connolly, 1922 * ''Gulella pretoriana'' Connolly, 1932 * ''Gulella princei'' (Preston, 1911) * ''Gulella protruda'' Neubert & Frank, 1996 * ''Gulella proxima'' van Bruggen, 2014 * ''Gulella pseudandreana'' Emberton, 2001 * ''Gulella pseudolkokolae'' Verdcourt, 2004 * ''Gulella puella'' Connolly, 1929 * ''Gulella pulchella'' (Melvill & Ponsonby, 1893) * ''Gulella pusilla'' (Morelet, 1881) * ''Gulella puzeyi'' Connolly, 1939 * ''Gulella queketti'' (Melvill & Ponsonby, 1896) * ''Gulella raffrayi'' (Bourguignat, 1883) * ''Gulella rakotoarisoni'' Emberton, 2001 * ''Gulella ranomasina'' Emberton, 2001 * ''Gulella razafyi'' Emberton, 2001 * ''Gulella rectangularis'' (Preston, 1913) * ''Gulella reeae'' Emberton & Pearce, 2000 * ''Gulella reesi'' (Preston, 1914) * ''Gulella reniformis'' (Preston, 1913) * ''Gulella rewgidensis'' Neubert, 2004 * ''Gulella rhodesiana'' (Connolly, 1912) * ''Gulella roberti'' (Preston, 1910) * ''Gulella rogersi'' (Melvill & Ponsonby, 1898) * ''Gulella rubinsterni'' Fischer-Piette, Blanc, C.P., Blanc, F. & Salvat, 1994 * ''Gulella rugosa'' Emberton, 2001 * ''Gulella rumpiana'' Connolly, 1932 * ''Gulella runa'' Rowson, Foster, Seddon & Tattersfield, 2019 * ''Gulella ruthae'' Emberton, 2002<ref name="Emberton 2002"/> * ''Gulella rutshuruensis'' Pilsbry, 1919 * ''Gulella ruwenzoriensis'' van Bruggen & van Goethem, 1999<ref name="Wronski 2010"/> * ''Gulella sahia'' Emberton, 2002<ref name="Emberton 2002"/> * ''Gulella salpinx'' Herbert, 2002<ref name="Herbert 2002">Herbert D. G. (2002). "''Gulella salpinx'' sp. n., a new critical endangered holoendemic species from the limestone deposits of the Marble Delta, KwaZuluNatal, South Africa (Mollusca: Gastropoda: Streptaxidae)". ''African Invertebrates'' '''43''': 125–138. [http://www.africaninvertebrates.org.za/Herbert2002_68.aspx abstract] {{Webarchive|url=https://web.archive.org/web/20111004200705/http://www.africaninvertebrates.org.za/Herbert2002_68.aspx |date=4 October 2011 }}.</ref> * ''Gulella sandersoni'' Connolly, 1942 * ''Gulella sankuruensis'' Dartevelle-Puissant, 1936 * ''Gulella satisfacta'' Fischer-Piette, Blanc, C.P., Blanc, F. & Salvat, 1994 * ''Gulella schweinfurthi'' (Thiele, 1910) * ''Gulella sellae'' (Pollonera, 1906) * ''Gulella seneciophila'' Germain, 1934 * ''Gulella separata'' (Sturany, 1898) * ''Gulella sesamum'' (Morelet, 1883) * ''Gulella sexdentata'' (E. von Martens, 1869) * ''Gulella shabae'' Adam & Van Goethem, 1978 * ''Gulella shoaensis'' Verdcourt, 1985 * ''Gulella sibasana'' Connolly, 1922 * ''Gulella simplicima'' (Preston, 1911) * † ''Gulella sita'' Pickford, 2009 * ''Gulella socialis'' Pilsbry, 1919 * ''Gulella socotrensis'' Neubert, 2004 * ''Gulella soror'' (E. A. Smith, 1890) * ''Gulella soulaiana'' Fischer-Piette, 1973<ref name="Emberton 2009"/> * ''Gulella spreta'' (Morelet, 1883) * ''Gulella stolidodea'' Degner, 1934 * ''Gulella streptostelopsis'' Bruggen, 2007<ref name="Bruggen">van Bruggen A. C. (June 2007). "Studies on the Streptaxidae (Mollusca: Gastropoda Pulmonata) of Malaŵi 9. Description of ''Gulella streptostelopsis'', a new ''Streptostele''-like species of ''Gulella''". ''Zoologische Mededelingen'' '''81'''(1). http://www.zoologischemededelingen.nl/81/nr01/a01 {{Webarchive|url=https://web.archive.org/web/20140116195909/http://www.zoologischemededelingen.nl/81/nr01/a01 |date=16 January 2014 }}</ref> * ''Gulella strictilabris'' (Ancey, 1898) * ''Gulella stylodon'' (E. von Martens, 1876) * ''Gulella suavissima'' (Preston, 1913) * ''Gulella subflavescens'' (E. A. Smith, 1890) * ''Gulella subframesi'' Connolly, 1929 * ''Gulella subhyalina'' (E. A. Smith, 1890) * ''Gulella subkraussi'' Connolly, 1932 * ''Gulella subringens'' (Crosse, 1886) * ''Gulella subsellae'' Haas, 1936 * ''Gulella sursum'' van Bruggen, 2001 * ''Gulella swaziensis'' Connolly, 1932 * ''Gulella sylvia'' (Melvill & Ponsonby, 1903) * ''Gulella syngenes'' (Preston, 1913) * ''Gulella systemanaturae'' van Bruggen, 2008<ref name="Bruggen 2">Bruggen A. C. van (2008). "Studies on the Streptaxidae (Mollusca: Gastropoda Pulmonata) of Malaŵi 10. Description of ''Gulella systemanaturae'', a new species from Dedza Mountain". ''Zoologische Mededelingen'' Leiden, '''82'''(2) pp. 9–14. [http://www.zoologischemededelingen.nl/82/nr01/a02 HTM] {{Webarchive|url=https://web.archive.org/web/20140116211937/http://www.zoologischemededelingen.nl/82/nr01/a02 |date=16 January 2014 }}, [https://www.repository.naturalis.nl/document/93739 PDF].</ref> * ''Gulella taitensis'' Verdcourt, 1963 * † ''Gulella tano'' Pickford, 2009 * ''Gulella taolantehezana'' Emberton, 2002<ref name="Emberton 2002"/> * † ''Gulella tatu'' Pickford, 2009 * ''Gulella tendronia'' Emberton, 2001 * ''Gulella tharfieldensis'' (Melvill & Ponsonby, 1893) * ''Gulella thompsoni'' K. C. Emberton, Slapcinsky, Campbell, Rakotondrazafy, Andriamiarison & J. D. Emberton, 2010<ref name="Emberton 2010"/> * ''Gulella tietzae'' Cole & Herbert, 2009 * ''Gulella titania'' Connolly, 1928 * ''Gulella tomlini'' (Preston, 1911) * ''Gulella tracheia'' Rowson, 2007 * ''Gulella translucida'' K. L. Pfeiffer, 1952 * ''Gulella transnominata'' Connolly, 1925 * ''Gulella triglochis'' (Melvill & Ponsonby, 1903) * ''Gulella trigona'' (Morelet, 1881) * ''Gulella triplicina'' (E. von Martens, 1895) * ''Gulella tripodium'' Connolly, 1939 * ''Gulella tristaoensis'' Connolly, 1922 * ''Gulella tsara'' Emberton, 2001 * ''Gulella tsaratananae'' Emberton, 2001 * ''Gulella tudes'' (E. von Martens, 1895) * ''Gulella udzungwensis'' van Bruggen, 2003 * ''Gulella ugandensis'' (E. A. Smith, 1901) * ''Gulella uluguruensis'' Verdcourt, 1962 * ''Gulella umzimvubuensis'' Burnup, 1925 * ''Gulella unidentata'' K. L. Pfeiffer, 1952 * ''Gulella vakinifia'' Emberton, 2001 * ''Gulella vallaris'' (Melvill & Ponsonby, 1907) * ''Gulella varians'' (E. A. Smith, 1899) * ''Gulella vatosoa'' Emberton, 2001 * ''Gulella vavakelia'' Emberton, 2001 * ''Gulella ventricosa'' Neubert, 2004 * ''Gulella verdcourti'' van Bruggen, 1966 * ''Gulella vermis'' (Morelet, 1881) * ''Gulella viae'' Burnup, 1925 * ''Gulella viatoris'' (Preston, 1913) * ''Gulella vicina'' (E.A. Smith, 1899) * ''Gulella virungae'' van Bruggen & van Goethem, 1999<ref name="Wronski 2010"/> * ''Gulella vohimarae'' Emberton, 2001 * ''Gulella vriesiana'' (C. M. F. Ancey, 1885) * ''Gulella wahlbergi'' (F. Krauss, 1848) * ''Gulella warrenii'' (Melvill & Ponsonby, 1903) * ''Gulella wendalinae'' van Bruggen, 1975 * ''Gulella wilmattae'' (Pilsbry & Cockerell, 1933) * ''Gulella woodhousei'' (Preston, 1913) * ''Gulella xysila'' (Melvill & Ponsonby, 1907) * ''Gulella zanaharyi'' Emberton, 2001 * ''Gulella zelota'' (Melvill & Ponsonby, 1907) * ''Gulella zemenensis'' Verdcourt, 1990 * ''Gulella zuluensis'' Connolly, 1932 * ''Gulella'' sp. 1 sensu Emberton & Griffiths (2009)<ref name="Emberton 2009"/> * ''Gulella'' sp. 2 sensu Emberton & Griffiths (2009)<ref name="Emberton 2009"/> * ''Gulella'' sp. 3 sensu Emberton & Griffiths (2009)<ref name="Emberton 2009"/> {{div col end}} Synonyms: * ''Gulella amboniensis'' : synonym of ''Juventigulella amboniensis'' (Tattersfield, 1998) (original combination) * ''Gulella avakubiensis'' Pilsbry, 1919:<ref name="Wronski 2010"/> synonym of ''Avakubia avakubiensis'' (Pilsbry, 1919) (superseded combination) * ''Gulella caryatis diabensis'' Connolly, 1939:<ref name="Sutcharit 2010"/> synonym of ''Gulella diabensis'' Connolly, 1939 (original combination) * ''Gulella conospira'' (Martens, 1892):<ref name="Wronski 2010"/> synonym of ''Conogulella conospira'' (E. von Martens, 1892) (superseded combination) * ''Gulella cuspidata'' Verdcourt, 1962: synonym of ''Dadagulella cuspidata'' (Verdcourt, 1962) (original combination) * ''Gulella foliifera'' (E. von Martens, 1895): synonym of ''Primigulella foliifera'' (E. von Martens, 1895) (superseded combination) * ''Gulella grossa'' (E. von Martens, 1892): synonym of ''Primigulella grossa'' (E. von Martens, 1892) (superseded combination) * ''Gulella kuiperi'' de Winter, 2007:<ref>de Winter A. J. (2007). "''Gulella'' (''Silvigulella'') ''kuiperi'' spec. nov., a new minute land snail from Cameroon (Gastropoda, Pulmonata, Streptaxidae)". ''Basteria'' '''suppl 3''': 69–72.</ref> synonym of ''Silvigulella kuiperi'' (De Winter, 2006) (basionym) * ''Gulella linguifera'' (Martens, 1895):<ref name="Wronski 2010"/> synonym of ''Primigulella linguifera'' (E. von Martens, 1895) (superseded combination) * ''Gulella ndamanyiluensis]]'' Venmans, 1956: synonym of ''Primigulella ndamanyiluensis'' (Venmans, 1956) (original combination) * ''Gulella osborni'' Pilsbry, 1919:<ref name="Wronski 2010"/> synonym of ''Silvigulella osborni'' (Pilsbry, 1919) (original combination) * ''Gulella pupa'' (Thiele, 1911):<ref name="Wronski 2010"/> synonym of ''Pupigulella pupa'' (Thiele, 1911) (superseded combination) * ''Gulella selene'' van Bruggen & van Goethem, 1999:<ref name="Wronski 2010"/> synonym of ''Dadagulella selene'' (van Bruggen & Van Goethem, 1999) (original combination) * ''Gulella thomasseti'' is a synonym for ''Glabrennea thomasseti'' (Sykes, 1909)<ref name="Gerlach 2006">{{cite iucn |author=Gerlach, J. |date=2009 |title=''Glabrennea thomasseti'' |volume=2009 |article-number=e.T9533A12999286 |doi=10.2305/IUCN.UK.2009.RLTS.T9533A12999286.en |access-date=16 November 2021}}</ref> * ''Gulella usambarica'' K. L. Pfeiffer, 1952: synonym of ''Gulella ludwigi'' Verdcourt & Venmans, 1953 (junior secondary homonym of ''Gulella usambarica'' (Craven, 1880); ''Gulella ludwigi'' Verdcourt & Venmans, 1953 is a replacement name) * ''Gulella usambarica'' (Craven, 1880): synonym of ''Primigulella usambarica'' (Craven, 1880) (superseded combination)

== References == {{Reflist}} * Bank, R. A. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: 16 July 2017

== Further reading == * Connolly, M. (1922). Notes on African non-marine Mollusca, with descriptions of many new species. The Annals and Magazine of Natural History, (9) 10 (59): 485–517, pl. 14. London. * Burnup H. C. (1925). "On some South African Gulellae, with descriptions of new species and varieties. Part 1." ''Annals of the Natal Museum'' '''5''': 101–158; pls. 8–9. * Pilsbry, H.A. & Cockerell, T.D.A. (1933). African Mollusca, chiefly from the Belgian Congo. Proceedings of the Zoological Society of London 1933: 365–375. * Verdcourt B. (1985). "New taxa of ''Gulella'' L. Pfr. and ''Ptychotrema'' Mörch (Mollusca, Streptaxidae) from Eastern Africa". ''Journal of Conchology'' '''32'''(1): 109–122. [https://web.archive.org/web/20101229062517/http://www.conchsoc.org/resources/show-abstract-32.php?id=364 abstract]. * Rowson B. & Herbert D.G. (2016). The type species and circumscription of the species-rich Afrotropical snail genus Gulella L. Pfeiffer, 1856, based on anatomical and mtDNA data (Mollusca: Eupulmonata: Streptaxidae). Archiv für Molluskenkunde. 145(1): 69–84. page(s): 76

== External links == * {{Commons category-inline|Gulella}} * [https://www.biodiversitylibrary.org/page/15864853 Pfeiffer, L. (1856). Versuch einer Anordnung derr Heliceen nach natürlichen Gruppen. Malakozoologische Blätter. 2: 112–185.] * [http://digitallibrary.amnh.org/handle/2246/916 Pilsbry, H.A. (1919). A review of the land mollusks of the Belgian Congo chiefly based on the collections of the American Museum Congo Expedition, 1909–1915. Bulletin of the American Museum of Natural History, 40: 1–370, pls I-XXIII]

Category:Gulella Category:Streptaxidae Category:Taxonomy articles created by Polbot Category:Taxa named by Ludwig Karl Georg Pfeiffer

Gulella

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