1. Species Metaplax crenulata (Gerstaecker, 1856)
2. Species Metaplax dentipes (Heller, 1865)
3. Species Metaplax distincta H. Milne Edwards, 1852
4. Species Metaplax elegans De Man, 1888
5. Species Metaplax gocongensis Davie & Nguyen, 2003
6. Species Metaplax indica H. Milne Edwards, 1852
7. Species Metaplax intermedia De Man, 1888
8. Species Metaplax longipes Stimpson, 1858
9. Species Metaplax occidentalis Pretzmann, 1971
10. Species Metaplax pristis Hsu, Shih & Ngo, 2025
11. Species Metaplax sheni Gordon, 1930
12. Species Metaplax tredecim Tweedie, 1950
13. Species Metaplax crassipes De Man, 1892 accepted as Metaplax elegans De Man, 1888 (unaccepted > junior subjective synonym)
14. Species Metaplax distinctus H. Milne Edwards, 1852 accepted as Metaplax distincta H. Milne Edwards, 1852 (unaccepted > incorrect grammatical agreement of specific epithet)
15. Species Metaplax hirsutimana Grant & McCulloch, 1906 accepted as Australoplax tridentata (A. Milne-Edwards, 1873) (unaccepted > junior subjective synonym)
16. Species Metaplax hirtipes Heller, 1862 accepted as Hemiplax hirtipes (Hombron & Jacquinot, 1846) (unaccepted > junior subjective synonym)
17. Species Metaplax indicus H. Milne Edwards, 1852 accepted as Metaplax indica H. Milne Edwards, 1852 (unaccepted > incorrect grammatical agreement of specific epithet)
18. Species Metaplax intermedius De Man, 1888 accepted as Metaplax intermedia De Man, 1888 (unaccepted > superseded combination)
19. Species Metaplax takahashii Sakai, 1939 accepted as Metaplax longipes Stimpson, 1858 (unaccepted > junior subjective synonym)

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