Gulella celestinae K.C. Emberton, 2001
Gulella claustralis M. Connolly, 1939
Gulella commoda (E.A. Smith, 1903)
Gulella conradti B. Verdcourt, 1956
Gulella constricta K.C. Emberton, 2001
Gulella crassidens (L. Pfeiffer, 1859)
Gulella crassidens jonesi A.C. van Bruggen, 1969
Gulella cuspidata B. Verdcourt
Gulella daedalea (J.C. Melvill& J.H. Ponsonby, 1903)
Gulella davisae Herbert, 2016
Gulella decussatula (H.B. Preston, 1913)
Gulella delgada I.V. Muratov, 2010
Gulella dextrorsa (H.C. Burnup, 1925)
Gulella dupuyana (J.C.H. Crosse, 1876)
Gulella eliptica (J.C. Melvill& J.H. Ponsonby, 1898)
Gulella farquhari (J.C. Melvill& J.H. Ponsonby, 1895)
Gulella foliifera E.C. Von Martens, 1895
Gulella formosa T. Kira, 1955
Gulella gallorum E. Fischer-Piette, Ch.P. Blanc, F. Blanc& F. Salvat, 1994
Gulella gouldi (L. Pfeiffer, 1856)
Gulella gouldi discriminanda A.C. van Bruggen, 1969
Gulella greenwayi B. Verdcourt
Gulella griffithsi K.C. Emberton, 2001
Gulella grossa E.C. Von Martens, 1892
Gulella gwendolinae B. Verdcourt
Gulella hadroglossa Herbert, 2016
Gulella hafa K.C. Emberton, 2001
Gulella herberti A.C. van Bruggen, 2004
Gulella inconspicua K.H.J. Thiele
Gulella infans (A. Craven, 1880)
Gulella infrendens (E.C. Von Martens, 1866)
Gulella intrusa B. Verdcourt, 1956
Gulella io B. Verdcourt, 1974
Gulella isipingoensis (R. Sturany, 1898)
Gulella iwakawa H.A. Pilsbry, 1900