Genus Platygaster Latreille, 1809
Platygaster Latreille, 1809: 31–32 . Type species Scelio ruficornis Latreille, 1805 by monotypy.
Epimeces Westwood, 1833: 421 . Type species Epimeces ensifer Westwood, 1833 by subsequent designation by Muesebeck & Walkley (1956: 351). Preoccupied by Epimeces Billberg, 1820 .
Polygnotus Förster, 1856: 108, 115, 166. Type species Platygaster striolatus Nees, 1834 by original designation.
Hypocampsis Förster, 1856: 108, 115. Type species Hypocampsis hyalinata Thomson, 1859 by subsequent designation by Ashmead (1903: 98).
Isorhombus Förster, 1856: 107, 113. Type species Isorhombus hyalinipennis Ashmead, 1887 by first subsequent inclusion.
Coelopelta Ashmead, 1893: 289–290, fig. 12.6. Type species Coelopelta mirabilis Ashmead, 1893 by monotypy and original designation.
Aneuron Brues, 1910: 49 . Type species Aneuron anormis Brues, 1910 by monotypy and original designation.
Triplatygaster Kieffer, 1913a: 178 . Type species Platygaster contorticornis Ratzeburg, 1844a by monotypy.
Misocyclops Kieffer, 1914: 353, 362. Type species Platygaster ornatus Kieffer, 1914 by monotypy.
Prosactogaster Kieffer, 1914: 352, 362, fig. 13.6. Type species Platygaster lineatus Kieffer, 1906 by subsequent designation by Muesebeck & Walkley (1956: 391).
Parepimeces Kieffer, 1926: 760 . Replacement name for Epimeces Westwood, 1833 .
Paracyclops Maneval, 1936a: 56–58, fig. 8. Type species Paracyclops bettyae Maneval, 1935 by monotypy and original designation. Preoccupied by Paracyclops Claus, 1893 .
Urocyclops Maneval, 1936b: 142 . Replacement name for Urocyclops Maneval, 1936 .
Pyrgaspis Kozlov, 1967: 715 . Type species Pyrgaspis haloxylonomyiae Kozlov, 1967 by monotypy and original designation.
Anirama Kozlov, 1970: 224 . Type species Platygaster marikovskii Kozlov, 1967 by monotypy and original designation.
Criomica Kozlov, 1975b: 965 . Type species Criomica viktorovi Kozlov, 1975b by monotypy and original designation.
Epimeces – Walker 1835: 243.
Coelopelta – Fouts 1920: 67.
Hypocampsis – Fouts 1920: 67.
Polygnotus – Fouts 1920: 67.
Aneuron – Fouts 1924: 23.
Isorhombus – Fouts 1924: 51.
Triplatygaster – Szelényi 1938: 100–101.
Misocyclops – Masner 1965: 135.
Parepimeces – Masner 1965: 135.
Prosactogaster – Masner 1965: 135.
Urocyclops – Huggert 1974: 58.
Anirama – Talamas & Buffington 2014: 105, figs 7–9, 11. Criomica – Talamas & Buffington 2014: 106–107, figs 12–14. Pyrgaspis – Talamas & Buffington 2014: 107–108, figs 15–18.