Bible Dictionaries
Cyathophylloid

Webster's Dictionary

(1):

(a.) Like, or pertaining to, the family Cyathophyllidae.

(2):

(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.

Bibliography Information
Webster, Noah. Entry for 'Cyathophylloid'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​c/cyathophylloid.html. 1828.