Classification of Averianov and Sues 2007
†Troodon asiamericanus Nessov 1985
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†Troodon isfarensis Nessov 1995
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Fm. †Troodontidae Gilmore 1924
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G. †Archaeornithoides Elzanowski and Wellnhofer 1992
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†Archaeornithoides deinosauriscus Elzanowski and Wellnhofer 1992
G. †Byronosaurus Norell et al. 2000
G. †Mei Xu and Norell 2004
G. †Sinornithoides Russell and Dong 1994