1. Species Streptaxis alminoaffonsicum (Maury, 1934) †
2. Species Streptaxis candei Petit de la Saussaye, 1842
3. Species Streptaxis capillosus Pilsbry, 1897
4. Species Streptaxis contusus (A. Férussac, 1821)
5. Species Streptaxis cypsele (L. Pfeiffer, 1849)
6. Species Streptaxis decussatus Pilsbry, 1897
7. Species Streptaxis dunkeri L. Pfeiffer, 1845
8. Species Streptaxis giovannalimae (M. A. Lima & T. Cossignani, 2021)
9. Species Streptaxis helios Pilsbry, 1897
10. Species Streptaxis hylephilus (A. d'Orbigny, 1835)
11. Species Streptaxis iheringi (Pilsbry, 1930)
12. Species Streptaxis intermedius Albers, 1857
13. Species Streptaxis laevissimus (S. Moricand, 1836)
14. Species Streptaxis leirae Salvador, 2018
15. Species Streptaxis luetzelburgi A. Weber, 1925
16. Species Streptaxis megahelix Salvador, 2018
17. Species Streptaxis pilsbryi (Solem, 1956)
18. Species Streptaxis politus Fulton, 1899
19. Species Streptaxis rollandii (Bernardi, 1857)
20. Species Streptaxis saopaulensis Pilsbry, 1930
21. Species Streptaxis tumulus Pilsbry, 1897
22. Species Streptaxis uberiformis L. Pfeiffer, 1848
23. Subgenus Streptaxis (Artemon) H. Beck, 1837 accepted as Streptaxis J. E. Gray, 1837
    1. Species Streptaxis (Artemon) prostrata L. Pfeiffer, 1856 accepted as Gonaxis prostratus (L. Pfeiffer, 1856) (basionym)
24. Subgenus Streptaxis (Artemonopsis) Germain, 1908 accepted as Artemonopsis Germain, 1908
    1. Species Streptaxis (Artemonopsis) chevalieri Germain, 1908 accepted as Artemonopsis chevalieri (Germain, 1908) (unaccepted > superseded combination)
25. Subgenus Streptaxis (Discartemon) L. Pfeiffer, 1856 accepted as Discartemon L. Pfeiffer, 1856 (original rank)
    1. Species Streptaxis (Discartemon) collingei Sykes, 1902 accepted as Discartemon collingei (Sykes, 1902) (unaccepted combination)
    2. Species Streptaxis (Discartemon) cryptodon (S. Moricand, 1851) accepted as Keranella cryptodon (S. Moricand, 1851) (unaccepted > superseded combination)
    3. Species Streptaxis (Discartemon) paradiscus Möllendorff, 1900 accepted as Discartemon discus (L. Pfeiffer, 1853)
26. Subgenus Streptaxis (Edentulina) L. Pfeiffer, 1856 accepted as Edentulina L. Pfeiffer, 1856
    1. Species Streptaxis (Edentulina) onycea Piersanti, 1941 accepted as Gonaxis onycea (Piersanti, 1941) (basionym)
    2. Species Streptaxis (Edentulina) zavattarii Piersanti, 1939 accepted as Gonaxis zavattarii (Piersanti, 1939) (basionym)
27. Subgenus Streptaxis (Eustreptaxis) L. Pfeiffer, 1878 accepted as Eustreptaxis L. Pfeiffer, 1878 accepted as Streptaxis J. E. Gray, 1837
    1. Species Streptaxis (Eustreptaxis) costulatus Möllendorff, 1881 accepted as Haploptychius costulatus (Möllendorff, 1881)
    2. Species Streptaxis (Eustreptaxis) dorri Dautzenberg, 1894 accepted as Haploptychius dorri (Dautzenberg, 1894) (original combination)
28. Subgenus Streptaxis (Happia) Bourguignat, 1890 accepted as Happia Bourguignat, 1890
    1. Species Streptaxis (Happia) interruptus Suter, 1900 accepted as Scolodonta interrupta (Suter, 1900) (unaccepted > superseded combination)
    2. Species Streptaxis (Happia) tumescens Suter, 1900 accepted as Systrophiella vitrina (J. A. Wagner, 1827) accepted as Systrophiella imperforata (Spix, 1827) (unaccepted > junior subjective synonym)
29. Subgenus Streptaxis (Imperturbatia) E. von Martens, 1898 accepted as Imperturbatia E. von Martens, 1898
    1. Species Streptaxis (Imperturbatia) braueri E. von Martens, 1898 accepted as Augustula braueri (E. von Martens, 1898) (original combination)
    2. Species Streptaxis (Imperturbatia) constans E. von Martens, 1898 accepted as Imperturbatia constans (E. von Martens, 1898) (original combination)
    3. Species Streptaxis (Imperturbatia) perelegans E. von Martens, 1898 accepted as Careoradula perelegans (E. von Martens, 1898) (original combination)
    4. Species Streptaxis (Imperturbatia) violascens E. von Martens, 1898 accepted as Imperturbatia violascens (E. von Martens, 1898) (original combination)
30. Subgenus Streptaxis (Lamelliger) Ancey, 1884 accepted as Lamelliger Ancey, 1884 (unaccepted > superseded combination)
31. Subgenus Streptaxis (Micrartemon) Möllendorf, 1890 accepted as Micrartemon Möllendorff, 1890
    1. Species Streptaxis (Micrartemon) boettgeri Möllendorff, 1890 accepted as Micrartemon boettgeri (Möllendorff, 1890) (original combination)
32. Subgenus Streptaxis (Oophana) Ancey, 1884 accepted as Oophana Ancey, 1884 (original rank)
    1. Species Streptaxis (Oophana) strangulatus Möllendorff, 1894 accepted as Panhartemis strangulatus (Möllendorff, 1894)
33. Subgenus Streptaxis (Polygyratia) J. E. Gray, 1847 accepted as Polygyratia J. E. Gray, 1847 (unaccepted > superseded rank)
    1. Species Streptaxis (Polygyratia) derbyi Ihering, 1912 accepted as Entodina derbyi (Ihering, 1912) (unaccepted > superseded combination, basionym)
34. Subgenus Streptaxis (Rectartemon) H. B. Baker, 1925 accepted as Rectartemon H. B. Baker, 1925 (unaccepted combination)
    1. Species Streptaxis (Rectartemon) funcki (L. Pfeiffer, 1847) accepted as Rectartemon funcki (L. Pfeiffer, 1848) (unaccepted combination)
    2. Species Streptaxis (Rectartemon) meridaensis Venmans, 1963 accepted as Rectartemon meridaensis (Venmans, 1963) (original combination)
35. Subgenus Streptaxis (Scolodonta) Doering, 1875 accepted as Scolodonta Doering, 1875 (original rank)
    1. Species Streptaxis (Scolodonta) semperi Doering, 1875 accepted as Scolodonta semperi (Doering, 1875) (basionym)
36. Species Streptaxis aberratus (Souleyet, 1852) accepted as Perrottetia aberrata (Souleyet, 1852) (unaccepted > superseded combination)
37. Species Streptaxis abunaensis F. Baker, 1914 accepted as Streptartemon abunaensis (F. Baker, 1914) (unaccepted > superseded combination, basionym)
38. Species Streptaxis albida L. Pfeiffer, 1845 accepted as Gonaxis albidus (L. Pfeiffer, 1845) (unaccepted > superseded combination, original combination)
39. Species Streptaxis alveus Dunker, 1845 accepted as Hypselartemon alveus (Dunker, 1845) (original combination)
40. Species Streptaxis anceyi Mabille, 1887 accepted as Haploptychius anceyi (Mabille, 1887) (original combination)
41. Species Streptaxis andamanicus W. H. Benson, 1860 accepted as Haploptychius andamanicus (W. H. Benson, 1860) (original combination)
42. Species Streptaxis apertus E. von Martens, 1868 accepted as Rectartemon depressus (Heynemann, 1868) (described in synonymy of Streptaxis depressus Heynemann, 1868)
43. Species Streptaxis beddomii W. T. Blanford, 1899 accepted as Perrottetia beddomei (W. T. Blanford, 1899) (original combination)
44. Species Streptaxis bethencourti Nobre, 1905 accepted as Gonaxis bethencourti (Nobre, 1905) (original combination)
45. Species Streptaxis bidens Möllendorff, 1883 accepted as Indoartemon bidens (Möllendorff, 1883) (unaccepted > superseded combination)
46. Species Streptaxis birmanica Theobald, 1864 accepted as Haploptychius blanfordi (Theobald, 1864) (unaccepted > junior subjective synonym)
47. Species Streptaxis blaisei Dautzenberg & H. Fischer, 1905 accepted as Haploptychius blaisei (Dautzenberg & H. Fischer, 1905) (original combination)
48. Species Streptaxis blanfordi Theobald, 1864 accepted as Haploptychius blanfordi (Theobald, 1864) (unaccepted > superseded combination)
49. Species Streptaxis boettgeri Möllendorff, 1890 accepted as Micrartemon boettgeri (Möllendorff, 1890)
50. Species Streptaxis bottegoi E. von Martens, 1895 accepted as Gonaxis bottegoi (E. von Martens, 1895) (original combination)
51. Species Streptaxis burmanica W. T. Blanford, 1865 accepted as Streptaxis burmanicus W. T. Blanford, 1865 accepted as Haploptychius burmanicus (W. T. Blanford, 1865) (unaccepted > misspelling - incorrect subsequent spelling, incorrect gender of species name)
52. Species Streptaxis burmanicus W. T. Blanford, 1865 accepted as Haploptychius burmanicus (W. T. Blanford, 1865) (unaccepted > superseded combination)
53. Species Streptaxis camerunensis d'Ailly, 1896 accepted as Gonaxis camerunensis (d'Ailly, 1896) (original combination)
54. Species Streptaxis canarica W. T. Blanford, 1869 accepted as Perrottetia canarica (W. T. Blanford, 1869) (original combination)
55. Species Streptaxis candidus (Spix, 1827) accepted as Rectartemon candidus (Spix, 1827) (unaccepted > superseded combination)
56. Species Streptaxis cavallii Pollonera, 1906 accepted as Gonaxis cavallii (Pollonera, 1906) accepted as Pseudogonaxis cavallii (Pollonera, 1906) (original combination)
57. Species Streptaxis cavicola Gredler, 1881 accepted as Kaliella cavicola (Gredler, 1881) (original combination)
58. Species Streptaxis celebicus P. Sarasin & F. Sarasin, 1899 accepted as Haploptychius celebicus (P. Sarasin & F. Sarasin, 1899) (original combination)
59. Species Streptaxis cingalensis W. H. Benson, 1853 accepted as Indoartemon cingalensis (W. H. Benson, 1853) (original combination)
60. Species Streptaxis collingei Sykes, 1902 accepted as Discartemon collingei (Sykes, 1902) (original combination)
61. Species Streptaxis compressus W. T. Blanford, 1881 accepted as Perrottetia compressa (W. T. Blanford, 1881) (original combination)
62. Species Streptaxis concinnus W. T. Blanford, 1881 accepted as Perrottetia concinnus (W. T. Blanford, 1881) (original combination)
63. Species Streptaxis conoideus L. Pfeiffer, 1855 accepted as Rectartemon conoideus (L. Pfeiffer, 1855) (original combination)
64. Species Streptaxis cookeana F. Baker, 1914 accepted as Streptartemon cookeanus (F. Baker, 1914) (original combination)
65. Species Streptaxis costulatus Möllendorff, 1881 accepted as Haploptychius costulatus (Möllendorff, 1881) (original combination)
66. Species Streptaxis costulosus (L. Pfeiffer, 1853) accepted as Rectartemon costulosus (L. Pfeiffer, 1853)
67. Species Streptaxis craveni E. A. Smith, 1880 accepted as Tayloria craveni (E. A. Smith, 1880) (original combination)
68. Species Streptaxis crossei L. Pfeiffer, 1867 accepted as Smenodonta janeirensis (L. Pfeiffer, 1852) (unaccepted > junior subjective synonym)
69. Species Streptaxis cumingiana L. Pfeiffer, 1850 accepted as Streptartemon cumingianus (L. Pfeiffer, 1850) (unaccepted > superseded combination)
70. Species Streptaxis daedaleus Bavay & Dautzenberg, 1909 accepted as Perrottetia daedaleus (Bavay & Dautzenberg, 1909) accepted as Perrottetia daedalea (Bavay & Dautzenberg, 1909) (unaccepted > superseded combination)
71. Species Streptaxis daflaensis Godwin-Austen, 1876 accepted as Perrottetia daflaensis (Godwin-Austen, 1876) (unaccepted > superseded combination)
72. Species Streptaxis decipiens Crosse, 1865 accepted as Streptartemon decipiens (Crosse, 1865) (original combination)
73. Species Streptaxis deformis A. Férussac, 1821 accepted as Streptartemon deformis (A. Férussac, 1821) (original combination)
74. Species Streptaxis denticulatus Dohrn, 1878 accepted as Gonaxis denticulatus (Dohrn, 1878) (unaccepted > superseded combination)
75. Species Streptaxis deplanchei Drouët, 1859 accepted as Streptartemon deplanchei (Drouët, 1859) (original combination)
76. Species Streptaxis depressus Heynemann, 1868 accepted as Rectartemon depressus (Heynemann, 1868) (original combination)
77. Species Streptaxis deshayesianus Crosse, 1863 accepted as Hypselartemon deshayesianus (Crosse, 1863) (basionym)
78. Species Streptaxis desiderata Preston, 1913 accepted as Tayloria desiderata (Preston, 1913) (original combination)
79. Species Streptaxis diespiter Mabille, 1887 accepted as Haploptychius diespiter (Mabille, 1887) (original combination)
80. Species Streptaxis diplodon Möllendorff, 1900 accepted as Oophana diplodon (Möllendorff, 1900) (original combination)
81. Species Streptaxis discus L. Pfeiffer, 1853 accepted as Discartemon discus (L. Pfeiffer, 1853) (original combination)
82. Species Streptaxis dugasti Morlet, 1892 accepted as Perrottetia dugasti (Morlet, 1892) (original combination)
83. Species Streptaxis eburnea L. Pfeiffer, 1861 accepted as Indoartemon eburneus (L. Pfeiffer, 1861) (unaccepted > superseded combination)
84. Species Streptaxis elisa A. Gould, 1856 accepted as Oophana elisa (A. Gould, 1856) (unaccepted > superseded combination)
85. Species Streptaxis elongatus Fulton, 1899 accepted as Afristreptaxis elongatus (Fulton, 1899) (original combination)
86. Species Streptaxis enneoides E. von Martens, 1878 accepted as Tayloria (Macrogonaxis) enneoides (E. von Martens, 1878) represented as Tayloria enneoides (E. von Martens, 1878) (original combination)
87. Species Streptaxis exacutus A. Gould, 1856 accepted as Carinartemis exacutus (A. Gould, 1856) (unaccepted > superseded combination)
88. Species Streptaxis fagoti Mabille, 1887 accepted as Haploptychius fagoti (Mabille, 1887) (original combination)
89. Species Streptaxis fischeri Morlet, 1886 accepted as Haploptychius fischeri (Morlet, 1886) (original combination)
90. Species Streptaxis footei W. T. Blanford & H. F. Blanford, 1861 accepted as Perrottetia footei (W. T. Blanford & H. F. Blanford, 1861) (original combination)
91. Species Streptaxis fuchsianus Gredler, 1881 accepted as Indoartemon fuchsianus (Gredler, 1881) (original combination)
92. Species Streptaxis funcki L. Pfeiffer, 1848 accepted as Rectartemon funcki (L. Pfeiffer, 1848) (unaccepted > superseded combination)
93. Species Streptaxis gaudioni Dupuis & Putzeys, 1901 accepted as Gonaxis vitreus (Morelet, 1867) (junior synonym)
94. Species Streptaxis gigas E. A. Smith, 1880 accepted as Tayloria gigas (E. A. Smith, 1880) (original combination)
95. Species Streptaxis glaber L. Pfeiffer, 1850 accepted as Streptartemon glaber (L. Pfeiffer, 1850) (unaccepted combination)
96. Species Streptaxis glabra L. Pfeiffer, 1850 accepted as Streptartemon glaber (L. Pfeiffer, 1850)
97. Species Streptaxis gracilis Collett, 1898 accepted as Indoartemon gracilis (Collett, 1898) (unaccepted > superseded combination, basionym)
98. Species Streptaxis gudei Fulton, 1915 accepted as Perrottetia gudei (Fulton, 1915) (original combination)
99. Species Streptaxis gwandaensis Preston, 1912 accepted as Tayloria gwandaensis (Preston, 1912) (original combination)
100. Species Streptaxis hanleyanus Stoliczka, 1871 accepted as Carinartemis sankeyi (W. H. Benson, 1859) (unaccepted > junior subjective synonym)
101. Species Streptaxis interruptus Suter, 1900 accepted as Scolodonta interrupta (Suter, 1900)
102. Species Streptaxis jheringi Thiele, 1927 accepted as Rectartemon iheringi (Thiele, 1927) (unaccepted > misspelling - incorrect original spelling, basionym)
103. Species Streptaxis johnstoni E. A. Smith, 1899 accepted as Gonaxis johnstoni (E. A. Smith, 1899) (original combination)
104. Species Streptaxis johswichi E. von Martens, 1864 accepted as Panhartemis mouhoti (L. Pfeiffer, 1863) (unaccepted > junior subjective synonym)
105. Species Streptaxis kibweziensis E. A. Smith, 1894 accepted as Tayloria kibweziensis (E. A. Smith, 1894) (original combination)
106. Species Streptaxis kirkii Dohrn, 1865 accepted as Gonaxis kirkii (Dohrn, 1865) accepted as Pseudogonaxis kirkii (Dohrn, 1865) (original combination)
107. Species Streptaxis laevis W. T. Blanford, 1899 accepted as Oophana laevis (W. T. Blanford, 1899) (original combination)
108. Species Streptaxis layardiana W. H. Benson, 1853 accepted as Indoartemon layardianus (W. H. Benson, 1853) (original combination)
109. Species Streptaxis lemyrei Morlet, 1883 accepted as Discartemon lemyrei (Morlet, 1883) (basionym)
110. Species Streptaxis leonensis L. Pfeiffer, 1859 accepted as Lamelliger troberti (Petit de la Saussaye, 1841) (junior synonym)
111. Species Streptaxis mamboiensis E. A. Smith, 1890 accepted as Gonaxis mamboiensis (E. A. Smith, 1890) (original combination)
112. Species Streptaxis marsabitensis Preston, 1913 accepted as Tayloria marsabitensis (Preston, 1913) accepted as Tayloria urguessensis marsabitensis (Preston, 1913) (original combination)
113. Species Streptaxis maugerae J. E. Gray, 1837 accepted as Gonaxis maugerae (J. E. Gray, 1837) (unaccepted > superseded combination)
114. Species Streptaxis messageri Bavay & Dautzenberg, 1909 accepted as Perrottetia messageri (Bavay & Dautzenberg, 1909) (original combination)
115. Species Streptaxis micans Putzeys, 1899 accepted as Gonaxis micans (Putzeys, 1899) (unaccepted > superseded combination)
116. Species Streptaxis monroviana accepted as Gonaxis monrovia (Rang, 1831) (misspelling)
117. Species Streptaxis mouhoti L. Pfeiffer, 1863 accepted as Panhartemis mouhoti (L. Pfeiffer, 1863) (unaccepted > superseded combination)
118. Species Streptaxis mozambicensis E. A. Smith, 1880 accepted as Gonaxis mozambicensis (E. A. Smith, 1880) (original combination)
119. Species Streptaxis nautilus P. Sarasin & F. Sarasin, 1899 accepted as Haploptychius nautilus (P. Sarasin & F. Sarasin, 1899) (original combination)
120. Species Streptaxis nobilis J. E. Gray, 1837 accepted as Gonaxis monrovia (Rang, 1831) (unaccepted > junior subjective synonym)
121. Species Streptaxis normalis Jousseaume, 1889 accepted as Streptartemon glaber normalis (Jousseaume, 1889) (original combination)
122. Species Streptaxis nseudweensis Putzeys, 1899 accepted as Gonaxis nseudweensis (Putzeys, 1899) accepted as Pseudogonaxis nseudweensis (Putzeys, 1899) (original combination)
123. Species Streptaxis obtusus Stoliczka, 1871 accepted as Oophana obtusa (Stoliczka, 1871) (unaccepted > superseded combination)
124. Species Streptaxis occidentalis Heude, 1885 accepted as Haploptychius occidentalis (Heude, 1885) (unaccepted > superseded combination)
125. Species Streptaxis oppidulum Bavay & Dautzenberg, 1909 accepted as Perrottetia oppidulum (Bavay & Dautzenberg, 1909) (original combination)
126. Species Streptaxis ordinarius E. A. Smith, 1890 accepted as Gonaxis denticulatus (Dohrn, 1878) (junior synonym)
127. Species Streptaxis pachychilus Möllendorff, 1884 accepted as Haploptychius pachychilus (Möllendorff, 1884) (original combination)
128. Species Streptaxis pachyglottis Möllendorff, 1900 accepted as Oophana pachyglottis (Möllendorff, 1900) (original combination)
129. Species Streptaxis paivana L. Pfeiffer, 1867 accepted as Hypselartemon paivanus (L. Pfeiffer, 1867) (original combination)
130. Species Streptaxis paradiscus Möllendorff, 1900 accepted as Discartemon discus (L. Pfeiffer, 1853) (unaccepted > junior subjective synonym)
131. Species Streptaxis paulus Gude, 1896 accepted as Perrottetia heudei (Schmacker & O. Boettger, 1891) (unaccepted > junior subjective synonym, original combination)
132. Species Streptaxis pellucens L. Pfeiffer, 1863 accepted as Haploptychius pellucens (L. Pfeiffer, 1863) (original combination)
133. Species Streptaxis percivali Preston, 1913 accepted as Gonaxis percivali (Preston, 1913) accepted as Pseudogonaxis percivali (Preston, 1913) (original combination)
134. Species Streptaxis peroteti (Petit de la Saussaye, 1841) (unaccepted, unaccepted combination)
135. Species Streptaxis personatus W. T. Blanford, 1881 (unaccepted, original combination)
136. Species Streptaxis petitii (A. Gould, 1843) (unaccepted > superseded combination)
137. Species Streptaxis pfeifferi Zelebor, 1867 (unaccepted > superseded combination)
138. Species Streptaxis planus Fulton, 1899 (unaccepted > superseded combination)
139. Species Streptaxis plussensis de Morgan, 1885 (unaccepted, original combination)
140. Species Streptaxis porrecta L. Pfeiffer, 1863 (unaccepted, original combination)
141. Species Streptaxis prestoni Gude, 1903 (unaccepted, original combination)
142. Species Streptaxis pronus W. T. Blanford, 1881 (unaccepted, original combination)
143. Species Streptaxis prostrata A. Gould, 1856 (unaccepted, original combination)
144. Species Streptaxis pupilla Morelet, 1888 (unaccepted > superseded combination)
145. Species Streptaxis pusillus E. von Martens, 1897 (unaccepted, original combination)
146. Species Streptaxis pyriformis L. Pfeiffer, 1845 (unaccepted, basionym)
147. Species Streptaxis ravanae W. T. Blanford, 1899 (unaccepted, original combination)
148. Species Streptaxis regius Löbbecke, 1881 (unaccepted > superseded combination, basionym)
149. Species Streptaxis roebeleni Möllendorff, 1894 (unaccepted, original combination)
150. Species Streptaxis sankeyanus Stoliczka, 1871 (unaccepted > unjustified emendation)
151. Species Streptaxis sankeyi W. H. Benson, 1859 (unaccepted > superseded combination)
152. Species Streptaxis scalptus W. T. Blanford, 1899 (unaccepted, original combination)
153. Species Streptaxis schweitzeri Dohrn, 1878 (unaccepted, original combination)
154. Species Streptaxis siamensis L. Pfeiffer, 1862 (unaccepted, original combination)
155. Species Streptaxis simonianus Heude, 1890 (unaccepted, original combination)
156. Species Streptaxis sinensis Gould, 1859 (unaccepted, original combination)
157. Species Streptaxis sinuosa L. Pfeiffer, 1861 (unaccepted, original combination)
158. Species Streptaxis souleyetiana (Petit de la Saussaye, 1841) (unaccepted > superseded combination)
159. Species Streptaxis striatula Collinge, 1902 (unaccepted, original combination)
160. Species Streptaxis subacutus W. T. Blanford, 1899 (unaccepted, original combination)
161. Species Streptaxis sudanica Preston, 1914 (unaccepted, original combination)
162. Species Streptaxis sykesi Collinge, 1902 (unaccepted, original combination)
163. Species Streptaxis thebawi Godwin-Austen, 1888 (unaccepted > superseded combination)
164. Species Streptaxis theobaldi W. H. Benson, 1859 (unaccepted, original combination)
165. Species Streptaxis translucidus Dupuis & Putzeys, 1901 (unaccepted, original combination)
166. Species Streptaxis tridens Möllendorff, 1898 (unaccepted, original combination)
167. Species Streptaxis tumescens Suter, 1900 (unaccepted)
168. Species Streptaxis turbinata Morelet, 1867 (unaccepted, original combination)
169. Species Streptaxis ukamica Thiele, 1911 (unaccepted, original combination)
170. Species Streptaxis urguessensis Preston, 1913 (unaccepted, original combination)
171. Species Streptaxis vosseleri Thiele, 1911 (unaccepted, original combination)
172. Species Streptaxis vulcani Thiele, 1911 (unaccepted, original combination)
173. Species Streptaxis watsoni W. T. Blanford & H. F. Blanford, 1860 (unaccepted, original combination)
174. Species Streptaxis welwitschi Morelet, 1867 (unaccepted > superseded combination)
175. Species Streptaxis woodhousei Preston, 1913 (unaccepted, original combination)
176. Subgenus Streptaxis (Odontartemon) L. Pfeiffer, 1856 (alternative representation)
     1. Species Streptaxis (Odontartemon) cristatellus Möllendorff, 1901 accepted as Perrottetia cristatella (Möllendorff, 1901) (original combination)
     2. Species Streptaxis (Odontartemon) glaber L. Pfeiffer, 1850 accepted as Streptartemon glaber (L. Pfeiffer, 1850) (unaccepted combination)
     3. Species Streptaxis (Odontartemon) heudei Schmacker & O. Boettger, 1891 accepted as Perrottetia heudei (Schmacker & O. Boettger, 1891) (original combination)
     4. Species Streptaxis (Odontartemon) mabillei Bavay & Dautzenberg, 1904 accepted as Perrottetia mabillei (Bavay & Dautzenberg, 1904) (original combination)
177. Subgenus Streptaxis (Streptartemon) Kobelt, 1905 represented as Streptartemon Kobelt, 1905
     1. Species Streptaxis (Streptartemon) demerarensis Venmans, 1963 accepted as Streptartemon demerarensis (Venmans, 1963) (original combination)
     2. Species Streptaxis (Streptartemon) extraneus F. Haas, 1955 accepted as Streptartemon extraneus (F. Haas, 1955) (basionym)
     3. Species Streptaxis (Streptartemon) zischkai F. Haas, 1952 accepted as Streptartemon zischkai (F. Haas, 1952) (unaccepted > superseded combination)
     4. Species Streptaxis (Streptartemon) deplanchei Drouët, 1859 represented as Streptartemon deplanchei (Drouët, 1859)
     5. Species Streptaxis (Streptartemon) glaber L. Pfeiffer, 1850 represented as Streptartemon glaber (L. Pfeiffer, 1850)
178. Species Streptaxis anomphalus Pilsbry, 1935 (uncertain > taxon inquirendum)
179. Species Streptaxis balansai Mabille, 1889 (uncertain > taxon inquirendum)
180. Species Streptaxis borealis Heude, 1882 (uncertain > taxon inquirendum)
181. Species Streptaxis dacostae Gude, 1903 (uncertain > taxon inquirendum)
182. Species Streptaxis dejecta Petit de la Saussaye, 1842 (uncertain > taxon inquirendum)
183. Species Streptaxis deplanata L. Pfeiffer, 1845 (uncertain > unassessed)
184. Species Streptaxis epistylium (O. F. Müller, 1774) (uncertain > taxon inquirendum)
185. Species Streptaxis erythroceros Möllendorff, 1881 (uncertain > taxon inquirendum)
186. Species Streptaxis fortunei L. Pfeiffer, 1855 (uncertain > unassessed)
187. Species Streptaxis latior Gude, 1903 (uncertain > taxon inquirendum)
188. Species Streptaxis mirificus Möllendorff, 1894 (uncertain > taxon inquirendum)
189. Species Streptaxis orientalis Heude, 1885 (uncertain > taxon inquirendum)
190. Species Streptaxis ovata L. Pfeiffer, 1845 (uncertain > unassessed)
191. Species Streptaxis pleurostomoides Gude, 1903 (uncertain > taxon inquirendum)
192. Species Streptaxis solidulus Stoliczka, 1871 (uncertain > taxon inquirendum)
193. Species Streptaxis subregularis R. A. Philippi, 1846 (uncertain > unassessed)
194. Species Streptaxis suturalis E. von Martens, 1859 (uncertain > taxon inquirendum)
195. Species Streptaxis theaecola Heude, 1890 (uncertain > taxon inquirendum)
196. Species Streptaxis totostriatus Thiele, 1927 (uncertain > taxon inquirendum)

The webpage text is licensed under a Creative Commons Attribution 4.0 License