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Genus: Irondalia Stinchcomb & Angeli, 2002 † (DB: 1 SP)
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Irondalia irondalensis
Stinchcomb & Angeli, 2002 † (FOSSIL)
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Genus: Potosiplina Stinchcomb & Angeli, 2002 † (DB: 1 SP)
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Potosiplina delorensis
Stinchcomb & Angeli, 2002 † (FOSSIL)
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Genus: Titanoplina Stinchcomb & Angeli, 2002 † (DB: 2 SP)
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Titanoplina meramecensis
Stinchcomb & Angeli, 2002 † (FOSSIL)
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Titanoplina merramecensis
Stinchcomb & Angeli, 2002 † (FOSSIL)
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Genus: Vallatotheca Foerste , 1914 † (DB: 4 SP)
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Vallatotheca anticostiensis
Twenhofel, 1928 † (FOSSIL)
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Vallatotheca elegantula
A.C. Chapman, 1916 † (FOSSIL)
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Vallatotheca manitoulini
Foerste, 1914 † (FOSSIL)
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Vallatotheca unguiformis
(Ulrich & Scofield, 1897 †) (FOSSIL)
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