Figure 8. Coelastrea Verrill, 1866 in Taxonomic classification of the reef coral families Merulinidae, Montastraeidae, and Diploastraeidae (Cnidaria: Anthozoa: Scleractinia)

Figure 8. Coelastrea Verrill, 1866, has discrete corallites with double or fused walls, septa in ≥ four cycles (≥ 48 septa), regular free septa, and well-developed septal (multiaxial) lobes. Septal teeth with medium height (0.3–0.6 mm) and spacing (0.3–1 mm). Walls formed by dominant paratheca and partial septotheca, with strong costal and septal medial lines. A, Coelastrea tenuis Verrill, 1866, type species of Coelastrea; macromorphology, holotype YPM IZ 476, unknown locality. B–F, Coelastrea aspera (Verrill, 1866); micromorphology (scanning electron microscopy; B) and microstructure (transverse thin section; C), syntype USNM 402, Ryukyu Islands, Japan; macromorphology, syntype USNM 403, Ryukyu Islands, Japan (D); micromorphology (E) and microstructure (F), hypotype RMNH 13844, Gulf of Aqaba, Israel. G–I, Coelastrea palauensis (Yabe & Sugiyama, 1936); macromorphology, holotype TIU 56631, Palau (G); micromorphology (H) and microstructure (I), hypotype RMNH 14084, New Caledonia.