Explore: Upper Coral

polyps. Coral species include the important reef builders that inhabit tropical oceans and secrete calcium carbonate to form a hard skeleton. A coral "group"

A coral reef is an underwater ecosystem characterized by reef-building corals. Reefs are formed of colonies of coral polyps held together by calcium carbonate

Fire corals (Millepora) are a genus of colonial marine organisms that exhibit physical characteristics similar to that of coral. The name coral is somewhat

name of a member—the Coral Rag Member—of the Upper Oxfordian Coralline Oolite Formation of North Yorkshire. "Calne Freestone And Coral Rag" is a former name

Ladbrokes Coral is a British gambling company. Its product offering includes sports betting, online casino, online poker, and online bingo. The Ladbrokes

or stony, coral polyps (Scleractinia). The crown-of-thorns starfish receives its name from venomous thornlike spines that cover its upper surface, resembling

USS Coral Sea (CV/CVB/CVA-43), a Midway-class aircraft carrier, was the third ship of the United States Navy to be named for the Battle of the Coral Sea

The Rugosa (rugose corals) are an extinct class of solitary or colonial corals that were abundant in Middle Ordovician to Late Permian seas. Solitary

Tabulata, commonly known as tabulate corals, is a class of extinct corals. They are almost always colonial, forming colonies of individual hexagonal cells

protected upper coral reef slopes, generally from depth of 9–20 m, but can grow at depths of up to 50 m. It is moderately susceptible to coral bleaching