Acropora eurystoma (Klunzinger, 1879)

(Fig. 32)

Madrepora eurystoma Klunzinger, 1879: 16, pl. 1 fig. 8, pl. 4 fig. 7a–b, pl. 9 fig. 12a–f.

Type locality. Koseir, Red Sea (holotype MNB).

MTQ Holdings. Red Sea: G54866–69, G58563, G54888–89, G57773 Egypt; G54870, G55187, G58679 Saudi Arabia; G54941 Sudan; G54858 Yemen.

Species group: loripes.

Description. Colony outline: determinate, predominantly corymbose. Branches: tertiary branching order absent; length: 2 5–50 mm; diameter: 5.0–9.9 mm, radial-dominated, terete; radial crowding: most touching; axial/radial ratio:>1:10. Axial corallites: three synapticular rings; porous; outer diameter 3.0–3.5 mm; inner diameter 1.2–2.0 mm; primary septa to 1/3 R. Radial corallites: large; two synapticular rings; one size or graded; inner wall developed; shape: tubular; openings: oval-rounded; primary septa to 1/3 R. Coenosteum: different on and between radials: between radials: reticulate, on radials: costate; spinule shape: single point.

Further literature. Sheppard & Sheppard (1991), Wallace (1999), Veron (2000).