This is formed by a rocklike accumulation of calcareous skeletons
It is formed by a rocklike accumulation of calcareous ... up layer by layer by living 
coral and growing on top of the skeletons of past generations,... [DOC] [TLE] What is coral - Sesli Szlk [PAR] ... to color sauces: marine colonial polyp characterized by a calcareous skeleton; 
... See also sea fan.