Skeletal Features of Scleractinian Coral
corallum (pl. coralla)
- the entire coral skeleton
corallite
- skeleton produced by a single polyp
calyx (pl. calices)
- concave depression that houses the polyp
septum (pl. septa)
- skeletal plates that radiate into the calyx from the wall (sometimes called scleroseptum)
coenosteum
- skeletal material between walls of adjacent corallites