单词：rugosas
(rugosa 的复数) n.[植]玫瑰(亦作 rugosa rose)
plural of rugosa
n. pl. 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.
n. pl. 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.