Acropora pichoni Wallace, 1999

(Fig. 74)

Acropora pichoni Wallace, 1999: 306, pl. 84.

Type locality. Kimbe Bay, Papua New Guinea.

MTQ Holdings. HOLOTYPE G53270, PARATYPES G39799–802, G53269, G53271, Papua New Guinea; PARATYPE G48345 Truk, Micronesia; Indonesia: G56512–14, G57047, G58635 Sulawesi; G63164–65 Halmahera; G60746–48 Irian Jaya; Papua New Guinea G61428; Micronesia: G59276–79, G59294–95, G59654, G62432–47, G62596, G62611, G62615–17, G62791 Pohnpei; Solomon Is.: G57923.

Species group: elegans

Description. Colony outline: determinate, predominantly plate. Branches: tertiary branching order absent; length: 25–50 mm; diameter: 10.0–19.9 mm, axial-dominated, terete; radial crowding: not touching; axial/radial ratio: <1:10. Axial corallites: two synapticular rings; not porous; outer diameter 1.4–2.4 mm; inner diameter 0.5–0.9 mm; primary septa to 2/3 R. Radial corallites: medium; two synapticular rings; one size or graded; inner wall developed; shape: tubular; openings: oval-rounded; primary septa to 2/3 R. Coenosteum: same on and between radials: dense spinules; spinule shape: elaborate.

Further literature. Veron (2000), Turak & DeVantier (2011).