1. Subgenus Pearsonia (Pearsonia) Kobelt, 1902 accepted as Pearsonia Kobelt, 1902 accepted as Spiraculum Pearson, 1833
   1. Species Pearsonia (Pearsonia) andersoni (W. T. Blanford, 1869) accepted as Spiraculum andersoni W. T. Blanford, 1869 (unaccepted combination)
   2. Species Pearsonia (Pearsonia) avana W. T. Blanford, 1863 accepted as Spiraculum avanum W. T. Blanford, 1863 (unaccepted combination)
   3. Species Pearsonia (Pearsonia) bhamoensis Theobald, 1876 accepted as Spiraculum bhamoense Theobald, 1876 (unaccepted combination)
   4. Species Pearsonia (Pearsonia) bitubifera Theobald, 1876 accepted as Spiraculum bitubiferum Theobald, 1876 (unaccepted combination)
   5. Species Pearsonia (Pearsonia) massiei Morlet, 1892 accepted as Spiraculum massiei Morlet, 1892 (unaccepted combination)
   6. Species Pearsonia (Pearsonia) mastersi (W. T. Blanford, 1877) accepted as Pearsonia mastersi (W. T. Blanford, 1877) accepted as Spiraculum mastersi W. T. Blanford, 1877
   7. Species Pearsonia (Pearsonia) plana (Godwin-Austen, 1915) accepted as Spiraculum planum Godwin-Austen, 1915
   8. Species Pearsonia (Pearsonia) simplex (G. Nevill, 1878) accepted as Spiraculum simplex (G. Nevill, 1878) (unaccepted > superseded combination)
   9. Species Pearsonia (Pearsonia) assamensis (Fulton, 1900) represented as Pearsonia assamensis (Fulton, 1900) accepted as Spiraculum assamense Fulton, 1900
   10. Species Pearsonia (Pearsonia) beddomei (Blanford, 1866) represented as Pearsonia beddomei (W. T. Blanford, 1866) accepted as Spiraculum beddomei W. T. Blanford, 1866
   11. Species Pearsonia (Pearsonia) hispida (Pearson, 1833) represented as Pterocyclos hispidus (Pearson, 1833) accepted as Spiraculum hispidum Pearson, 1833
   12. Species Pearsonia (Pearsonia) kempi (Godwin-Austen, 1915) represented as Pearsonia kempi (Godwin-Austen, 1915) accepted as Spiraculum kempi Godwin-Austen, 1915
   13. Species Pearsonia (Pearsonia) luyorensis (Godwin-Austen, 1915) represented as Pearsonia luyorensis (Godwin-Austen, 1915) accepted as Spiraculum luyorensis Godwin-Austen, 1915
   14. Species Pearsonia (Pearsonia) minima (Godwin-Austen, 1915) represented as Pearsonia minima (Godwin-Austen, 1915) accepted as Spiraculum minimum Godwin-Austen, 1915
   15. Species Pearsonia (Pearsonia) nagaensis (Godwin-Austen & R. H. Beddome, 1894) represented as Pearsonia nagaensis (Godwin-Austen & R. H. Beddome, 1894) accepted as Spiraculum nagaense Godwin-Austen & R. H. Beddome, 1894
   16. Species Pearsonia (Pearsonia) nevilli (Godwin-Austen, 1876) represented as Pearsonia nevilli (Godwin-Austen, 1876) accepted as Spiraculum nevilli Godwin-Austen, 1876
   17. Species Pearsonia (Pearsonia) oakesi (Godwin-Austen, 1915) represented as Pearsonia oakesi (Godwin-Austen, 1915) accepted as Spiraculum oakesi Godwin-Austen, 1915
   18. Species Pearsonia (Pearsonia) travancorica (W. T. Blanford, 1881) represented as Pearsonia travancorica (W. T. Blanford, 1880) accepted as Spiraculum travancoricum W. T. Blanford, 1881
2. Subgenus Pearsonia (Pseudospiraculum) Kobelt, 1902 accepted as Spiraculum (Pseudospiraculum) Kobelt, 1902 represented as Spiraculum Pearson, 1833
   1. Species Pearsonia (Pseudospiraculum) fairbanki (W. T. Blanford, 1869) represented as Pearsonia fairbanki (W. T. Blanford, 1869) accepted as Spiraculum fairbanki W. T. Blanford, 1869
3. Species Pearsonia andersoni (Blanford, 1869) accepted as Spiraculum andersoni W. T. Blanford, 1869 (genus is synonym)
4. Species Pearsonia assamensis (Fulton, 1900) accepted as Spiraculum assamense Fulton, 1900 (genus is synonym)
5. Species Pearsonia avana (Blanford, 1863) accepted as Spiraculum avanum W. T. Blanford, 1863 (genus is synonym)
6. Species Pearsonia beddomei (W. T. Blanford, 1866) accepted as Spiraculum beddomei W. T. Blanford, 1866 (genus is synonym)
7. Species Pearsonia bhamoensis (Theobald, 1876) accepted as Spiraculum bhamoense Theobald, 1876 (genus is synonym)
8. Species Pearsonia bitubifera (Theobald, 1876) accepted as Spiraculum bitubiferum Theobald, 1876 (genus is synonym)
9. Species Pearsonia fairbanki (W. T. Blanford, 1869) accepted as Spiraculum fairbanki W. T. Blanford, 1869 (invalid genus name)
10. Species Pearsonia franzhuberi Thach, 2017 accepted as Spiraculum franzhuberi (Thach, 2017) (original combination)
11. Species Pearsonia gredleri Yen, 1939 accepted as Spiraculum gredleri (Yen, 1939) (original combination)
12. Species Pearsonia huberi Thach, 2016 accepted as Spiraculum huberi (Thach, 2016) (original combination)
13. Species Pearsonia kempi (Godwin-Austen, 1915) accepted as Spiraculum kempi Godwin-Austen, 1915 (genus is synonym)
14. Species Pearsonia lamphunensis S. Tumpeesuwan & C. Tumpeesuwan, 2015 accepted as Spiraculum lamphunensis (S. Tumpeesuwan & C. Tumpeesuwan, 2015) (original combination)
15. Species Pearsonia luyorensis (Godwin-Austen, 1915) accepted as Spiraculum luyorensis Godwin-Austen, 1915 (genus is synonym)
16. Species Pearsonia mastersi (W. T. Blanford, 1877) accepted as Spiraculum mastersi W. T. Blanford, 1877 (genus is synonym)
17. Species Pearsonia minima (Godwin-Austen, 1915) accepted as Spiraculum minimum Godwin-Austen, 1915 (genus is synonym)
18. Species Pearsonia nagaensis (Godwin-Austen & R. H. Beddome, 1894) accepted as Spiraculum nagaense Godwin-Austen & R. H. Beddome, 1894 (genus is synonym)
19. Species Pearsonia nevilli (Godwin-Austen, 1876) accepted as Spiraculum nevilli Godwin-Austen, 1876 (genus is synonym)
20. Species Pearsonia oakesi (Godwin-Austen, 1915) accepted as Spiraculum oakesi Godwin-Austen, 1915 (genus is synonym)
21. Species Pearsonia putaoensis (Godwin-Austen, 1915) accepted as Spiraculum putaoensis Godwin-Austen, 1915 (genus is synonym)
22. Species Pearsonia regelspergeri (de Morgan, 1885) accepted as Spiraculum regelspergeri (de Morgan, 1885)
23. Species Pearsonia tembatensis Marzuki & Clements, 2013 accepted as Spiraculum tembatensis (Marzuki & Clements, 2013) (original combination)
24. Species Pearsonia thachi F. Huber, 2017 accepted as Spiraculum huberi (Thach, 2016) (junior synonym)
25. Species Pearsonia travancorica (W. T. Blanford, 1880) accepted as Spiraculum travancoricum W. T. Blanford, 1881 (invalid genus name)
26. Species Pearsonia vilvensi Thach & F. Huber, 2017 accepted as Spiraculum vilvensi (Thach & F. Huber, 2017) (original combination)

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