1. Species Thompsonia affinis Krüger, 1912
2. Species Thompsonia chuni Häfele, 1911
3. Species Thompsonia globosa Kossmann, 1872
4. Species Thompsonia japonica Häfele, 1911
5. Species Thompsonia littoralis Lützen & Jespersen, 1990
6. Species Thompsonia cubensis Reinhard & Stewart, 1956 accepted as Thylacoplethus cubensis (Reinhard & Stewart, 1956) (transferred by Høeg & Lützen, 1993)
7. Species Thompsonia dofleini Häfele, 1911 accepted as Diplothylacus sinensis (Keppen, 1877) (synonym)
8. Species Thompsonia edwardsi (Coutière, 1902) accepted as Thylacoplethus edwardsi Coutière, 1902 (unaccepted > superseded combination)
9. Species Thompsonia haddoni (Coutière, 1902) accepted as Thylacoplethus haddoni Coutière, 1902 accepted as Thylacoplethus edwardsi Coutière, 1902
10. Species Thompsonia luetzeni Høeg & Bruce, 1988 accepted as Faba luetzeni (Høeg & Bruce, 1988) accepted as Zeuxokoma luetzeni (Høeg & Bruce, 1988) (taxon is cryptoniscid isopod not rhizocephalan barnacle)
11. Species Thompsonia magellani (Høeg & Lützen, 1993) accepted as Thylacoplethus magellani Høeg & Lützen, 1993 (unaccepted > superseded combination)
12. Species Thompsonia mediterranea Caroli, 1929 accepted as Polysaccus mediterraneus (Caroli, 1929) (transferred by Høeg & Lützen, 1993)
13. Species Thompsonia pilodiae Lützen & Jespersen, 1990 accepted as Thylacoplethus pilodiae (Lützen & Jespersen, 1990) (transferred by Høeg & Lützen, 1993)
14. Species Thompsonia reinhardi Lützen, 1992 accepted as Thylacoplethus reinhardi (Lützen, 1992) (transferred by Høeg & Lützen, 1993)
15. Species Thompsonia sinensis Keppen, 1877 accepted as Diplothylacus sinensis (Keppen, 1877) (basionym)
16. Species Thompsonia heurteli Potts, 1915 (uncertain > taxon inquirendum)

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