Classification of Bitner et al. 2016

G. Argyrotheca Dall 1900
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†Argyrotheca michelottina Davidson 1870
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Invalid names: Argyrotheca vidali Mallada 1878 [synonym]
G. Terebratulina d'Orbigny 1847
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†Terebratulina tenuistriata Leymerie 1846