Acropora batunai Wallace, 1997

(Fig. 11)

Acropora batunai Wallace, 1997: 38, fig. 9.

Type locality. Bangu I., Togian Is, Indonesia.

MTQ Holdings. HOLOTYPE G48834, PARATYPES G48835–42 Indonesia; Indonesia: G55401–06 Sulawesi; G61060–61, G61298 Irian Jaya; Papua New Guinea: G51742, G53192, G53256, G55086; Micronesia: G59257, G62597–603, G62669 Pohnpei.

Species group: echinata .

Description. Colony outline: determinate, predominantly table. Branches: tertiary branching order present; length: 25–50 mm; diameter: 2.5–4.9 mm, 50/50 axial/radial, terete; radial crowding: not touching; axial/radial ratio: <1:10. Axial corallites: two synapticular rings; porous; outer diameter 0.6–1.0 mm; inner diameter 0.2–0.5 mm; primary septa to ¼ R. Radial corallites: medium; two synapticular rings; one size or graded; inner wall developed; shape: appressed tubular; openings: oval- rounded; primary septa to 1/3 R. Coenosteum: same on and between radials: costate; spinule shape: elaborate.

Further literature. Wallace (1999), Veron (2000).