资料来源 : pyDict

四射珊瑚亚纲; 皱珊瑚目

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Tetracoralla \Te`tra*co*ral"la\, n. pl. [NL. See {Tetra-}, and
   {Corallum}.] (Paleon.)
   Same as {Rugosa}.