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Trochocyathus pergranulatus

Anthozoa - Scleractinia - Caryophylliidae

Taxonomy
Trochocyathus pergranulatus was named by Nomland (1916). It is not extant. Its type locality is UCMP 484, Mount Diablo, which is in a Santonian/Campanian marine horizon in California.

Sister species lacking formal opinion data
T. affinis, T. gajensis, T. nummiformis, T. nummuliticus, T. rawsoni, T. durhami, T. elongatus