Acropora derawanensis Wallace, 1997

(Fig. 22)

Acropora derawanensis Wallace, 1997: 33, fig. 5.

Type locality. Karang Tababinga, East Kalimantan, Indonesia.

MTQ Holdings. HOLOTYPE G48963, PARATYPES G48958–62, G48965 Indonesia; Indonesia: G50317, G50967–70 Kalimantan; G55431–32, G58634, G58794 Sulawesi; G63173–75 Halmahera; Philippines: G53571; Micronesia: G59253–55, G62541, G62542 Pohnpei.

Species group: horrida .

Description. Colony outline: indeterminate, predominantly arborescent. Branches: tertiary branching order present; length:>1 0 0 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 1.1–1.4 mm; inner diameter 0.5–1.0 mm; primary septa to ¾ R. Radial corallites: small; two synapticular rings; one size or graded; inner wall developed; shape: tubular; openings: oval-rounded; primary septa to ¼ R. Coenosteum: same on and between radials: costate; spinule shape: blunt irregular.

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