What does "cyathophylloid" mean?

Cyathophylloid: Like, or pertaining to, the family Cyathophyllidæ.

Additional senses

  1. 2.A fossil coral of the family Cyathophyllidæ; sometimes extended to fossil corals of other related families belonging to the group Rugosa; -- also called cup corals. Thay are found in paleozoic rocks.

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