1. Species Pterotrigonia cristata van Hoepen, 1929 †
2. Species Pterotrigonia flava M. Griffin & Varela, 2012 †
3. Species Pterotrigonia jubata van Hoepen, 1929 †
4. Species Pterotrigonia setosa van Hoepen, 1929 †
5. Subgenus Pterotrigonia (Notoscabrotrigonia) Dietrich, 1933 † accepted as Notoscabrotrigonia Dietrich, 1933 † (unaccepted > superseded combination)
   1. Species Pterotrigonia (Notoscabrotrigonia) coheni H. A. Leanza, 1993 † accepted as Notoscabrotrigonia coheni H. A. Leanza, 1993 † (unaccepted > superseded combination)
6. Subgenus Pterotrigonia (Pterotrigonia) van Hoepen, 1929 † accepted as Pterotrigonia van Hoepen, 1929 † (unaccepted > superseded rank)
   1. Species Pterotrigonia (Pterotrigonia) cramei S. R. A. Kelly, 1995 † accepted as Pterotrigonia cramei S. R. A. Kelly, 1995 † (unaccepted > superseded combination)
   2. Species Pterotrigonia (Pterotrigonia) dumbeana Freneix, 1980 † accepted as Haumurigonia dumbeae (Freneix, 1958) † (unaccepted > unjustified emendation, unjustified emendation of Pterotrigonia pseudocaudata var. dumbeae Freneix, 1958)
   3. Species Pterotrigonia (Pterotrigonia) hottingeri Freneix, 1972 † accepted as Praescabrotrigonia hottingeri (Freneix, 1972) † (unaccepted > superseded combination)
   4. Species Pterotrigonia (Pterotrigonia) kofujiensis Tamura, 1978 † accepted as Metacanthotrigonia kofujiensis (Tamura, 1978) † (unaccepted > superseded combination)
   5. Species Pterotrigonia (Pterotrigonia) malagninoi Medina, 1980 † accepted as Haumurigonia malagninoi (Medina, 1980) † (unaccepted > superseded combination)
   6. Species Pterotrigonia (Pterotrigonia) savagei M. R. Cooper, 1979 † accepted as Pterotrigonioides savagei (M. R. Cooper, 1989) † (unaccepted > superseded combination)
   7. Species Pterotrigonia (Pterotrigonia) takahatensis Tashiro & Tanaka, 1992 † accepted as Notoscabrotrigonia takahatensis (Tashiro & Tanaka, 1992) † (unaccepted > superseded combination)
   8. Species Pterotrigonia (Pterotrigonia) thomsoni S. R. A. Kelly, 1995 † accepted as Pterotrigonia thomsoni S. R. A. Kelly, 1995 † (unaccepted > superseded combination)
   9. Species Pterotrigonia (Pterotrigonia) waitangiensis C. A. Fleming, 1987 † accepted as Haumurigonia waitangiensis (C. A. Fleming, 1987) †
7. Subgenus Pterotrigonia (Ptilotrigonia) van Hoepen, 1929 † accepted as Ptilotrigonia van Hoepen, 1929 † (unaccepted > superseded combination)
   1. Species Pterotrigonia (Ptilotrigonia) amakusensis Tashiro & T. Matsuda, 1983 † accepted as Tamuragonia amakusensis (Tashiro & T. Matsuda, 1983) † (unaccepted > superseded combination)
   2. Species Pterotrigonia (Ptilotrigonia) miyanoharensis Tashiro & T. Matsuda, 1983 † accepted as Tamuragonia miyanoharensis (Tashiro & T. Matsuda, 1983) † (unaccepted > superseded combination)
   3. Species Pterotrigonia (Ptilotrigonia) tamurai Tashiro & T. Matsuda, 1983 † accepted as Tamuragonia tamurai (Tashiro & T. Matsuda, 1983) † (unaccepted > superseded combination)
   4. Species Pterotrigonia (Ptilotrigonia) ultima C. A. Fleming, 1987 † accepted as Tamuragonia ultima (C. A. Fleming, 1987) †
   5. Species Pterotrigonia (Ptilotrigonia) usuiensis Tashiro & T. Matsuda, 1983 † accepted as Tamuragonia usuiensis (Tashiro & T. Matsuda, 1983) † (unaccepted > superseded combination)
8. Subgenus Pterotrigonia (Rinetrigonia) van Hoepen, 1929 † accepted as Rinetrigonia van Hoepen, 1929 †
   1. Species Pterotrigonia (Rinetrigonia) capricornia Skwarko, 1963 † accepted as Pisotrigonia capricornia (Skwarko, 1963) † (unaccepted > superseded combination)
   2. Species Pterotrigonia (Rinetrigonia) nullorum Levy, 1985 † accepted as Rinetrigonia nullorum Levy, 1985 † (unaccepted > superseded combination)
   3. Species Pterotrigonia (Rinetrigonia) reayi C. A. Fleming, 1987 † accepted as Pisotrigonia reayi (C. A. Fleming, 1987) †
   4. Species Pterotrigonia (Rinetrigonia) spikermanni Medina, 1980 † accepted as Haumurigonia spikermanni (Medina, 1980) † (unaccepted > superseded combination)
   5. Species Pterotrigonia (Rinetrigonia) verrucosa Skwarko, 1968 † accepted as Pisotrigonia verrucosa (Skwarko, 1968) † (unaccepted > superseded combination)
   6. Species Pterotrigonia (Rinetrigonia) yeharai M. Nakano & Numano, 1961 † accepted as Metacanthotrigonia yeharai (M. Nakano & Numano, 1961) † (unaccepted > superseded combination)
   7. Species Pterotrigonia (Rinetrigonia) yeharai M. Nakano, 1960 † (unaccepted > nomen nudum, no description)
9. Subgenus Pterotrigonia (Scabrotrigonia) Dietrich, 1933 † accepted as Scabrotrigonia Dietrich, 1933 † (unaccepted > superseded combination)
   1. Species Pterotrigonia (Scabrotrigonia) monobeana Tashiro & Kozai, 1982 † accepted as Metacanthotrigonia monobeana (Tashiro & Kozai, 1982) † (unaccepted > superseded combination)
   2. Species Pterotrigonia (Scabrotrigonia) pseudomoriana Tashiro & T. Matsuda, 1986 † accepted as Metacanthotrigonia pseudomoriana (Tashiro & T. Matsuda, 1986) † (unaccepted > superseded combination)
   3. Species Pterotrigonia (Scabrotrigonia) pingusa Z.-H. Gou, 1985 † (uncertain > unassessed)
   4. Species Pterotrigonia (Scabrotrigonia) pseudaliformis Canérot & Collignon, 1981 † (uncertain > unassessed)
10. Species Pterotrigonia australiensis L. R. Cox, 1961 † accepted as Rinetrigonia australiensis (L. R. Cox, 1961) † (unaccepted > superseded combination)
11. Species Pterotrigonia bungoensis Tashiro & Tanaka, 1996 † accepted as Notoscabrotrigonia bungoensis (Tashiro & Tanaka, 1996) † (unaccepted > superseded combination)
12. Species Pterotrigonia druzczici Yanin, 2004 † accepted as Eurotrigonia druzczici (Yanin, 2004) † (unaccepted > superseded combination)
13. Species Pterotrigonia gokderensis Saveliev, 1958 † accepted as Eurotrigonia gokderensis (Saveliev, 1958) † (unaccepted > superseded combination)
14. Species Pterotrigonia hemilunaris Saveliev, 1958 † accepted as Eurotrigonia hemilunaris (Saveliev, 1958) † (unaccepted > superseded combination)
15. Species Pterotrigonia kesadoensis Tashiro, 1994 † accepted as Metacanthotrigonia kesadoensis (Tashiro, 1994) † (unaccepted > superseded combination)
16. Species Pterotrigonia klytschevae Saveliev, 1958 † accepted as Mangyschlakella klytschevae (Saveliev, 1958) † (unaccepted > superseded combination)
17. Species Pterotrigonia mantelli R. Casey, 1961 † accepted as Eurotrigonia mantelli (R. Casey, 1961) † (unaccepted > superseded combination)
18. Species Pterotrigonia peroni Freneix, 1972 † accepted as Notoscabrotrigonia peroni (Freneix, 1972) † (unaccepted > superseded combination)
19. Species Pterotrigonia pocilliformis (Yokoyama, 1891) † accepted as Notoscabrotrigonia pocilliformis (Yokoyama, 1891) † (unaccepted > superseded combination)
20. Species Pterotrigonia pseudocaudata (Hector, 1886) † accepted as Haumurigonia pseudocaudata (Hector, 1886) † (unaccepted > superseded combination)
21. Species Pterotrigonia subaliformis Saveliev, 1958 † accepted as Eurotrigonia subaliformis (Saveliev, 1958) † (unaccepted > superseded combination)
22. Species Pterotrigonia subpiriformis Saveliev, 1958 † accepted as Eurotrigonia subpiriformis (Saveliev, 1958) † (unaccepted > superseded combination)
23. Species Pterotrigonia tatianae Saveliev, 1958 † accepted as Mangyschlakella tatianae (Saveliev, 1958) † (unaccepted > superseded combination)
24. Species Pterotrigonia taurica Yanin, 2004 † accepted as Incomatiella taurica (Yanin, 2004) † (unaccepted > superseded combination)
25. Species Pterotrigonia cramei S. R. A. Kelly, 1995 † (uncertain > taxon inquirendum)
26. Species Pterotrigonia doii Tashiro & Katto, 1995 † (uncertain > unassessed)
27. Species Pterotrigonia hodzhamoldarensis Vinokurova, 1970 † (uncertain > unassessed, status in recent literature not researched by editor)
28. Species Pterotrigonia thomsoni S. R. A. Kelly, 1995 † (uncertain > taxon inquirendum)

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