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Theocalyptra
Taxonomy
Theocalyptra was named by Haeckel (1881) [Sepkoski's age data: K R]. It is extant.
It was assigned to Theopiliidae by De Wever et al. (2001); and to Nassellaria by Sepkoski (2002).
It was assigned to Theopiliidae by De Wever et al. (2001); and to Nassellaria by Sepkoski (2002).