Ennea denticulata var. hamacenica Bourguignat, 1883 accepted as Ptychotrema denticulatum (Morelet, 1872) (source of synonymy)
Ennea denticulata var. hildebrandti Jickeli, 1874 accepted as Ptychotrema denticulatum (Morelet, 1872) (source of synonymy)
Ennea denticulata var. quinqueplicata Bourguignat, 1883 accepted as Ptychotrema denticulatum (Morelet, 1872) (source of synonymy)
Ennea papillifera Jickeli, 1873 accepted as Ptychotrema denticulatum (Morelet, 1872) (source of synonymy)
Ptychotrema (Ennea) aillyi Adam, 1981 represented as Ptychotrema aillyi Adam, 1981 (basis of record)
Ptychotrema (Ennea) ansorgei (Preston, 1910) represented as Ptychotrema ansorgei (Preston, 1910) (basis of record)
Ptychotrema (Ennea) batalhana (L. Pfeiffer, 1871) represented as Ptychotrema batalhana (L. Pfeiffer, 1871) (basis of record)
Ptychotrema (Ennea) bequaerti (Dautzenberg & Germain, 1914) represented as Ptychotrema bequaerti (Dautzenberg & Germain, 1914) (basis of record)
Ptychotrema (Ennea) bequaerti thysvillense Pilsbry, 1919 accepted as Ptychotrema bequaerti thysvillense Pilsbry, 1919 accepted as Ptychotrema bequaerti (Dautzenberg & Germain, 1914) (source of synonymy)
Ptychotrema (Ennea) bicristata (Morelet, 1873) represented as Ptychotrema bicristata (Morelet, 1873) (basis of record)
Ptychotrema (Ennea) bonyomae Ortiz de Zárate López & Ortiz de Zárate Rocandio, 1956 represented as Ptychotrema bonyomae Ortiz de Zarate & Ortiz de Zarate, 1956 (basis of record)
Ptychotrema (Ennea) chaperi (Jousseaume, 1872) represented as Ptychotrema chaperi (Jousseaume, 1872) (basis of record)
Ptychotrema (Ennea) denticulatum (Morelet, 1872) represented as Ptychotrema denticulatum (Morelet, 1872) (basis of record)
Ptychotrema (Ennea) denticulatum var. nanum Connolly, 1928 accepted as Ptychotrema denticulatum (Morelet, 1872) (source of synonymy)
Ptychotrema (Ennea) elegantulum (L. Pfeiffer, 1846) represented as Ptychotrema elegantulum (L. Pfeiffer, 1846) (basis of record)
Ptychotrema (Ennea) fraterculus Pilsbry, 1919 represented as Ptychotrema fraterculus Pilsbry, 1919 (additional source)
Ptychotrema (Ennea) hyalinum Thiele, 1933 represented as Ptychotrema hyalinum Thiele, 1933 (basis of record)
Ptychotrema (Ennea) jeanneli (Dautzenberg & Germain, 1914) represented as Ptychotrema jeanneli (Dautzenberg & Germain, 1914) (basis of record)
Ptychotrema (Ennea) kalemiense Adam, van Bruggen & Van Goethem, 1994 represented as Ptychotrema kalemiense Adam, van Bruggen & Van Goethem, 1994 (original description)
Ptychotrema (Ennea) kasuloi Pilsbry & T. D. A. Cockerell, 1933 represented as Ptychotrema kasuloi Pilsbry & T. D. A. Cockerell, 1933 (basis of record)
Ptychotrema (Ennea) laeve Thiele, 1933 represented as Ptychotrema laeve Thiele, 1933 (basis of record)
Ptychotrema (Ennea) lafontainei Dartevelle-Puissant, 1936 represented as Ptychotrema lafontainei Dartevelle-Puissant, 1936 (basis of record)
Ptychotrema (Ennea) malaboense Ortiz de Zárate López & Ortiz de Zárate Rocandio, 1956 represented as Ptychotrema malaboense Ortiz de Zárate López & Ortiz de Zárate Rocandio, 1956 (basis of record)
Ptychotrema (Ennea) masakaense (Preston, 1913) represented as Ptychotrema masakaense (Preston, 1913) (basis of record)
Ptychotrema (Ennea) massauense Thiele, 1933 represented as Ptychotrema massauense Thiele, 1933 (additional source)
Ptychotrema (Ennea) monotes Pilsbry, 1919 accepted as Ptychotrema jeanneli (Dautzenberg & Germain, 1914) (source of synonymy)
Ptychotrema (Ennea) paradoxulum (E. von Martens, 1895) represented as Ptychotrema paradoxulum (E. von Martens, 1895) (basis of record)
Ptychotrema (Ennea) peilei (Preston, 1914) represented as Ptychotrema peilei (Preston, 1914) (basis of record)
Ptychotrema (Ennea) pollonerae (Preston, 1913) represented as Ptychotrema pollonerae (Preston, 1913) (basis of record)
Ptychotrema (Ennea) pseudosilvaticum Adam, van Bruggen & Van Goethem, 1994 represented as Ptychotrema pseudosilvaticum Adam, van Bruggen & Van Goethem, 1994 (original description)
Ptychotrema (Ennea) serratum (d'Ailly, 1896) represented as Ptychotrema serratum (d'Ailly, 1896) (basis of record)
Ptychotrema (Ennea) silvaticum Pilsbry, 1919 represented as Ptychotrema silvaticum Pilsbry, 1919 (basis of record)
Ptychotrema (Ennea) subtusangulatum Degner, 1934 represented as Ptychotrema subtusangulatum Degner, 1934 (basis of record)
Ptychotrema (Ennea) thompsonae Connolly, 1928 represented as Ptychotrema thompsonae Connolly, 1928 (basis of record)
Ptychotrema (Ennea) trigonostomum (E. von Martens, 1876) represented as Ptychotrema trigonostomum (E. von Martens, 1876) (basis of record)
Ptychotrema (Ennea) tumidulum Thiele, 1933 represented as Ptychotrema tumidulum Thiele, 1933 (basis of record)
Ptychotrema (Ennea) uniliratum (E. A. Smith, 1903) represented as Ptychotrema uniliratum (E. A. Smith, 1903) (basis of record)
Ptychotrema (Parennea) subtusangulatum Degner, 1934 accepted as Ptychotrema subtusangulatum Degner, 1934 (taxonomy source)
Ptychotrema aillyi Adam, 1981 (basis of record)
Ptychotrema ansorgei (Preston, 1910) (basis of record)
Ptychotrema batalhana (L. Pfeiffer, 1871) (basis of record)
Ptychotrema bequaerti (Dautzenberg & Germain, 1914) (basis of record)
Ptychotrema bequaerti thysvillense Pilsbry, 1919 accepted as Ptychotrema bequaerti (Dautzenberg & Germain, 1914) (source of synonymy)
Ptychotrema bonyomae Ortiz de Zarate & Ortiz de Zarate, 1956 (basis of record)
Ptychotrema chaperi (Jousseaume, 1872) (basis of record)
Ptychotrema denticulatum (Morelet, 1872) (additional source)
Ptychotrema denticulatum hamacenicum (Bourguignat, 1883) accepted as Ptychotrema denticulatum (Morelet, 1872) (source of synonymy)
Ptychotrema denticulatum hildebrandti (Jickeli, 1874) accepted as Ptychotrema denticulatum (Morelet, 1872) (source of synonymy)
Ptychotrema denticulatum papilliferum (Jickeli, 1873) accepted as Ptychotrema denticulatum (Morelet, 1872) (source of synonymy)
Ptychotrema elegantulum (L. Pfeiffer, 1846) (basis of record)
Ptychotrema fraterculus Pilsbry, 1919 (basis of record)
Ptychotrema hyalinum Thiele, 1933 (basis of record)
Ptychotrema jeanneli (Dautzenberg & Germain, 1914) (basis of record)
Ptychotrema kasuloi Pilsbry & T. D. A. Cockerell, 1933 (basis of record)
Ptychotrema kungwense Verdcourt, 1961 (basis of record)
Ptychotrema laeve Thiele, 1933 (basis of record)
Ptychotrema lafontainei Dartevelle-Puissant, 1936 (basis of record)
Ptychotrema malaboense Ortiz de Zárate López & Ortiz de Zárate Rocandio, 1956 (basis of record)
Ptychotrema masakaense (Preston, 1913) (basis of record)
Ptychotrema massauense Thiele, 1933 (basis of record)
Ptychotrema monotes Pilsbry, 1919 accepted as Ptychotrema jeanneli (Dautzenberg & Germain, 1914) (source of synonymy)
Ptychotrema paradoxulum (E. von Martens, 1895) (basis of record)
Ptychotrema peilei (Preston, 1914) (basis of record)
Ptychotrema perforatum (d'Ailly, 1896) (basis of record)
Ptychotrema pollonerae (Preston, 1913) (basis of record)
Ptychotrema serratum (d'Ailly, 1896) (basis of record)
Ptychotrema silvaticum Pilsbry, 1919 (basis of record)
Ptychotrema subtusangulatum Degner, 1934 (basis of record)
Ptychotrema thompsonae Connolly, 1928 (basis of record)
Ptychotrema trigonostomum (E. von Martens, 1876) (basis of record)
Ptychotrema tumidulum Thiele, 1933 (basis of record)
Ptychotrema uniliratum (E. A. Smith, 1903) (basis of record)
Pupa lachryma A. Gould, 1875 accepted as Ptychotrema elegantulum (L. Pfeiffer, 1846) (source of synonymy)

Angola for Ptychotrema ansorgei (Preston, 1910) 
Angola for Ptychotrema batalhana (L. Pfeiffer, 1871) 
Angola for Ptychotrema chaperi (Jousseaume, 1872) 
Angola for Ptychotrema lafontainei Dartevelle-Puissant, 1936 
Cameroon for Ptychotrema aillyi Adam, 1981 
Cameroon for Ptychotrema serratum (d'Ailly, 1896) 
Cameroon for Ptychotrema trigonostomum (E. von Martens, 1876) 
Cameroon for Ptychotrema tumidulum Thiele, 1933 
Democratic Republic of the Congo for Ptychotrema bequaerti (Dautzenberg & Germain, 1914) 
Democratic Republic of the Congo for Ptychotrema fraterculus Pilsbry, 1919 
Democratic Republic of the Congo for Ptychotrema jeanneli (Dautzenberg & Germain, 1914) 
Democratic Republic of the Congo for Ptychotrema kalemiense Adam, van Bruggen & Van Goethem, 1994 
Democratic Republic of the Congo for Ptychotrema kasuloi Pilsbry & T. D. A. Cockerell, 1933 
Democratic Republic of the Congo for Ptychotrema masakaense (Preston, 1913) 
Democratic Republic of the Congo for Ptychotrema monotes Pilsbry, 1919 
Democratic Republic of the Congo for Ptychotrema paradoxulum (E. von Martens, 1895) 
Democratic Republic of the Congo for Ptychotrema pollonerae (Preston, 1913) 
Democratic Republic of the Congo for Ptychotrema pseudosilvaticum Adam, van Bruggen & Van Goethem, 1994 
Democratic Republic of the Congo for Ptychotrema silvaticum Pilsbry, 1919 
Eritrea for Ptychotrema massauense Thiele, 1933 
Ethiopia for Ptychotrema hyalinum Thiele, 1933 
Ethiopia for Ptychotrema laeve Thiele, 1933 
Fernando Po for Ptychotrema bonyomae Ortiz de Zarate & Ortiz de Zarate, 1956 
Fernando Po for Ptychotrema malaboense Ortiz de Zárate López & Ortiz de Zárate Rocandio, 1956 
Ivory Coast for Ptychotrema elegantulum (L. Pfeiffer, 1846) 
Kenya for Ptychotrema uniliratum (E. A. Smith, 1903) 
Kenya for Ptychotrema uniliratum (E. A. Smith, 1903) 
Liberia for Ptychotrema elegantulum (L. Pfeiffer, 1846) 
Liberia for Ptychotrema subtusangulatum Degner, 1934 
Nigeria for Ptychotrema peilei (Preston, 1914) 
Sierra Leone for Ptychotrema thompsonae Connolly, 1928 
Tanzania for Ptychotrema kungwense Verdcourt, 1961 
Uganda for Ptychotrema masakaense (Preston, 1913)