rugosa
7 points
English
6 letters
Not in frequency data
Valid in: North American word list
Definitions
An extinct tribe of fossil corals, including numerous species, many of them of large size. They are characteristic of the Paleozoic formations. The radiating septs, when present, are usually in multiples of four. See Cyathophylloid.
Definition: WordNet 3.1, Princeton University.
Anagrams
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