Described as "Corallum hemispherical to elongate subcylindrical, composed of pentagonal or hexagonal corallites averaging 3 mm in diameter interspersed with smaller trigonal or tetragonal corallites. All corallites with thin walls. Squamulae prominent but relatively short, typically about 1 mm long. Mural pores very large, either parallel or offset biserial. Tabulae typically incomplete, wavy, closely set."
