Acropora roseni Wallace, 1999

Wallace, Carden C., Done, Barbara J. & Muir, Paul R., 2012, Revision and catalogue of worldwide staghorn corals Acropora and Isopora (Scleractinia: Acroporidae) in the Museum of Tropical Queensland, Memoirs of the Queensland Museu Nature 57, pp. 1-258 : 170

Acropora roseni Wallace, 1999

( Fig. 83 )

Acropora roseni Wallace, 1999: 246 , pl. 60.

Type locality. Aldabra, Seychelles (holotype MTQ). MTQ Holdings. HOLOTYPE G36948, PARATYPE G36947 Seychelles; Socotra: G58522; Seychelles: G59457, G59459, G59576.

Species group: aspera .

Description. Colony outline: indeterminate, predominantly arborescent. Branches: tertiary branching order absent; length: 5 0–100 mm; diameter: 10.0–19.9 mm, axial-dominated, tapering; radial crowding: most touching; axial/ radial ratio:>1:10. Axial corallites: three synap-

ticular rings; porous; outer diameter 2.9–3.7 mm; inner diameter 1.2–1.6 mm; primary septa to 1/3 R. Radial corallites: large; three synapticular rings; one size or graded; inner wall not developed; shape: dimidiate/lipped; openings: cochleariform; primary septa to ¼ R. Coenosteum: different on and between radials: between radials: reticulate, on radials: costate; spinule shape: single point.

Further literature: Veron (2000).

Figures

FIG. 83. Acropora roseni, G59457, Seychelles, 2006 (photo: P. Muir). Map of documented distribution: blue squares = MTQ specimens; pink squares = literature records; orange diamonds = type localities (where given), including primary synonyms.