Acropora kosurini Wallace, 1994

(Fig. 51)

Acropora kosurini Wallace, 1994: 984, fig. 27.

Type locality. Koh Surin, Mergui Archipelago, West Thailand.

MTQ Holdings. HOLOTYPE G37295, PARATYPES G37294, G37296–97, G37299–301West Thailand; Kenya: G59592–94; Maldives: G61602–05; Thailand: G52639–41, G59311–12, G59315, G59319; Indonesia: G49725–26 Sumatra; Marshall Is.: G37963.

Species group: divaricata .

Description. Colony outline: determinate, predominantly corymbose. Branches: tertiary branching order absent; length: 5 0–100 mm; diameter: 5.0–9.9 mm, radial-dominated, terete;

radial crowding: some touching; axial/radial ratio:>1:10. Axial corallites: three synapticular rings; not porous; outer diameter 2.3–3.7 mm; inner diameter 0.6–0.8 mm; primary septa to 1/3 R. Radial corallites: medium; three synapticular rings; one size or graded; inner wall developed; shape: nariform; openings: dimidiate; primary septa to 2/3 R. Coenosteum: same on and between radials: open spinules; spinule shape: forked.

Further literature. Wallace & Wolstenholme (1998), Wallace (1999), Veron (2000).