This is formed by a rocklike accumulation of calcareous skeletons
coral reef Coral Sea coral snake: the hard stony skeleton of a 
... skeletons; when they die, other corals build on top until a great reef is formed: a 
.... coral reefs: accumulation of rocklike deposits that are the skeletons of living... [DOC] [TLE] What is coral reefs - Sesli Szlk [PAR] ... composed of hard, limy skeletons produced by coral animals; usually formed 
along ... tropical seas: accumulation of rocklike deposits that are the skeletons of 
... of hermatypic corals, calcareous algae, and other calcium carbonate-secreting
... [DOC] [TLE] Coral Reef Adventure [PAR] It is formed by a rocklike accumulation of calcareous (calcium-containing) ...