Figure 23. Physophyllia Duncan, 1884 in Taxonomic classification of the reef coral families Merulinidae, Montastraeidae, and Diploastraeidae (Cnidaria: Anthozoa: Scleractinia)

Figure 23. Physophyllia Duncan, 1884, has organically united and polymorphic corallites, extensive coenosteum (≥ corallite diameter), septa spaced <six septa per 5 mm, spongy columellae, and abundant (vesicular) endotheca. A, B, Physophyllia ayleni Wells, 1935, the type and only living species of Physophyllia; macromorphology, holotype NHMUK 1862.7.16.46, Japan (A; photo by H. Taylor), and paratype NHMUK 1893.9.1.188, Macclesfield Bank, South China Sea (B).