Genus: Aspidotheca Dahmer, 1936 † (DB: 3 SP, 0 IMG)
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Genus: Carinaropsis Hall, 1847 † (syn: Carinariopsis, Carinopsis - DB: 8 SP, 1 IMG)
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Genus: Cyclotheca Teichert, 1935 † (DB: 1 SP, 0 IMG)
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Genus: Gyrospira Boucot, 1956 † (DB: 1 SP, 0 IMG)
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Genus: Merriamella Blodgett & Johnson, 1992 † (DB: 2 SP, 0 IMG)
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Genus: Merriamites Blodgett & Johnson, 1995 † (DB: 1 SP, 0 IMG)
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Genus: Pedasiola Spriesterbach, 1919 † (DB: 1 SP, 0 IMG)
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Genus: Phragmosphaera Knight, 1945 † (DB: 12 SP, 1 IMG)
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Genus: Pterotheca Salter, 1853 † (syn: Aulacomerella, Clioderma - DB: 25 SP, 0 IMG)
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