Classification of Valent et al. 2012

G. †Gracilitheca Syssoiev 1968
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†Gracilitheca mirabilis Valent et al. 2012
†Gracilitheca triangularis Valent et al. 2012
G. †Nephrotheca Marek 1966
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†Nephrotheca betula Valent et al. 2012