Revision and catalogue of worldwide staghorn corals Acropora and Isopora (Scleractinia: Acroporidae) in the Museum of Tropical Queensland Author Wallace, Carden C. Author Done, Barbara J. Author Muir, Paul R. text Memoirs of the Queensland Museu Nature 2012 2012-06-30 57 1 258 journal article 28769 10.5281/zenodo.2163512 efa6ed42-a9c8-4eb7-909e-81fb4091b243 0079-8835 2163512 Acropora palmata (Lamarck, 1816) ( Fig. 69 ) Madrepora palmata Lamarck, 1816: 278 . Madrepora flabellum Lamarck, 1816: 279 . Madrepora cornuta Duchassaing & Michelotti, 1861: 32 . Madrepora thomasiana Duchassaing & Michelotti, 1861: 32 . Madrepora perampla Horn, 1861: 435 . Type locality. ‘American Ocean’ (holotype NMHN). MTQ Holdings. Bahamas: G54475, G54496–98; Mexico: G48424; USA: G49995–97, G54490–95; Venezuela: G51965, G51966; Virgin Is .: G33173–75, G40918. Species group: cervicornis . Description. Colony outline: indeterminate, predominantly elkhorn. Branches: tertiary branching order absent; length: <25 mm; diameter: 10.0–19.9 mm, axial-dominated, terete; radial crowding: some touching; axial/radial ratio:>1:10. Axial corallites: two synapticular rings; porous; outer diameter 1.5–2.3 mm; inner diameter 0.7–1.6 mm; primary septa to ¾ R. Radial corallites: large; two synapticular rings; one size or graded; inner wall developed; shape: nariform; openings: oval-rounded; primary septa to 1/3 R. Coenosteum: different on and between radials: between radials: reticulo-costate, on radials: costate; spinule shape: single point. Further literature. Van Oppen et al. (2000), Vollmer & Palumbi (2002), Gardner et al. (2003), Wallace (2012).