Gonaxis protractus (A.A. Gould, 1856) Liberia
Gulella pseudandreana K.C. Emberton, 2001
Parvedentulina puichella K.C. Emberton, 2002 Madagascar
Pupigulella pupa (K.H.J. Thiele, 1911) Uganda
Pseudogonaxis pusillus (E.C. Von Martens, 1897)
Gulella puzeyi M. Connolly, 1939 South Africa, KwaZulu, Natal9 mm
Parvedentulina pyramida K.C. Emberton, 2002 Madagascar
Eustreptaxis quadrilateralis H.B. Preston, 1910 Hawaii24,2 mm
Streptartemon quixadensis (F.C. Baker, 1914) Brazil6 mm
Gulella rakotoarisoni K.C. Emberton, 2001
Parvedentulina ranomafanae K.C. Emberton, 2002 Madagascar
Gulella ranomasina K.C. Emberton, 2001
Parvedentulina rantovina K.C. Emberton, 2002 Madagascar
Parvedentulina rapetoa K.C. Emberton, 2002 Madagascar
Perrottetia ravanae (W.T. Blanford, 1899) Sri Lanka
Parvedentulina ravinamatia K.C. Emberton, 2002 Madagascar
Gulella razafyi K.C. Emberton, 2001
Gulella reesi H.B. Preston, 1914 Nigeria5,9 mm
Rectartemon regius (C.H.W.T. Löbbecke, 1881) Thailand21 mm
Rillya rillyensis (FOSSIL) (S.A. de Boissy, 1848 †) France, Paris Basin23 mm
Discartemon roebeleni (O.F. von Möllendorff,1894) Thailand8,64 mm
Parvedentulina rogeri (K.C. Emberton& T.A. Pearce, 1999) Madagascar
Gulella rogersi (J.C. Melvill& J.H. Ponsonby, 1898)
Rectartemon rollandi (A.C. Bernardi, 1857) Brazil
Edentulina rugosa K.C. Emberton, 1999 Madagascar
Haplonepion runsoranum (E.C. Von Martens, 1892)
Gulella ruthae K.C. Emberton, 2002 Madagascar
Varicostele rutshuruensis H.A. Pilsbry, 1919 Congo, Pointe Noire
Gulella ruwenzoriensis A.C. van Bruggen& J.L. Van Goethem, 1999
Parvedentulina sahantananae K.C. Emberton, 2002 Madagascar
Gulella sahia K.C. Emberton, 2002 Madagascar
Parvedentulina saintjacqui K.C. Emberton, 2002 Madagascar
Gulella salpinx D.G. Herbert, 2002 South Africa, KwaZulu, Natal
Discartemon sangkarensis W.S.S. Van Benthem-Jutting, 1959 Indonesia, Sumatra
Streptaxis saopaulensis H.A. Pilsbry, 1930 Brazil7 mm