tabulate corals
Extinct order of corals (Tabulata) known from the fossil record; a technical term in paleontology.
Tabulate corals are a group of corals that flourished during the Paleozoic era.
Compound of 床板 (floorboard, referring to the tabulae or horizontal partitions in the coral skeleton) + 珊瑚 (coral) + 類 (group, category). The name describes the characteristic internal structure of these extinct corals.