Gibberula tantula S. Gofas, 1989 Angola1,6 mm
Pachybathron tayrona J.M. Díaz & Velásquez,1987 Panama5,8 mm
Intelcystiscus teresacarrenoae Ortea & Espinosa, 2016
Gibberula terverianella (F.P. Jousseaume in A.R.J.B. Bavay, 1922) Red Sea3,3 mm
Persicula tessellata (J.B.P.A. Lamarck, 1822) Panama West23 mm
Persicula testai L. Bozzetti, 1993 Somalia15,3 mm
Plesiocystiscus thalia (W.H. Turton, 1932)
Gibberula themisae J. Espinosa & J.A. Ortea,2007
Gibberula thetisae J. Espinosa, J.A. Ortea& G.M. Caballer, 2011 Cuba
Gibberula thomensis (J.R. le B. Tomlin, 1919) Gabon, Sao Tomé Island11 mm
Cystiscus thouinensis (W.L. May, 1916) Tasmania
Ticofurcilla tica (J. Espinosa& J.A. Ortea, 2000) Cuba1,4 mm
Plesiocystiscus tomlini F. Boyer, 2003 New Caledonia2,2 mm
Cystiscus tomlinianus (W.L. May, 1917) Queensland
Cystiscus triangularis T. Cossignani, 2008 Philippines, Mactan Island2 mm
Cystiscus tricinctus F. Boyer, 2003 New Caledonia1,6 mm
Gibberula trinitatensis (FOSSIL) W.C. Mansfield, 1925 † Trinidad and Tobago
Inbiocystiscus triplicatus J. Espinosa & J.A. Ortea,2007
Cystiscus truncatus (W.H. Dall, 1927) America
Gibberula turgidula (É.A.A. Locard& E. Caziot, 1900) Spain4 mm
Gibberula ubitaensis J. Espinosa & J.A. Ortea,2000 Costa Rica, Manzanillo1,8 mm
Gibberula ubitalta T. McCleery, 2009 Panama2,5 mm
Canalispira umuhlwa R.N. Kilburn, 1990 South Africa5,99 mm
Plesiocystiscus valae M. Lussi & G. Smith, 1998 South Africa2,4 mm
Persicula vanpeli R.G. Moolenbeek& A.N. van der Bijl, 2008 Oman, Dhofar12,8 mm
Gibberula varicosa Boyer, 2017
Plesiocystiscus variegatus M. Lussi & G. Smith, 1998 South Africa, Gordons Bay3,1 mm
Cystiscus vavauensis A. Wakefield& T. McCleery, 2006 Fiji Islands1,7 mm
Gibberula veilae J.A. Ortea, 2015
Gibberula velox T. McCleery, 2008 Netherlands Antilles, Aruba1,7 mm
Persicula venezuelana (FOSSIL) (F. Hodson & al., 1927 †) Venezuela, Paraguana Peninsula13 mm
Gibberula ventricosa Boyer, 2017
Cystiscus viaderi F. Boyer, 2004 Mauritius1,5 mm
Persicula vicksburgensis (FOSSIL) D.T. Dockery, 1984 † USA, Mississippi3 mm
Cystiscus vidae (R.K. Dell, 1956) New Zealand