Calcistheca cuadrangulata
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*cuadrangulata Trejo, 1983, p.10, pl.51, figs.1-2,4-7; pl.52, figs.1-5 (not all figures identified), pl.53, figs.1-3. Holotype: Trejo, 1983, pl.52, fig.4. Age: Late Cretaceous.
Parent: Calcistheca