"A. Skeleton of a young colony of Eubipora purpurea. st, Stolon; p, platform. B. Diagrammatic longitudinal section of a corallite, showing two platforms, p, and simple and cup-shaped tabulae, t." — The Encyclopedia Britannica, 1910

Tubipora Purpurea

"A. Skeleton of a young colony of Eubipora purpurea. st, Stolon; p, platform. B. Diagrammatic longitudinal…