( n. )
A fossil coral of the family Cyathophyllidae; sometimes extended to fossil corals of other related families belonging to the group Rugosa; -- also called cup corals. Thay are found in paleozoic rocks.
( n. )
A fossil coral of the family Cyathophyllidae; sometimes extended to fossil corals of other related families belonging to the group Rugosa; -- also called cup corals. Thay are found in paleozoic rocks.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012