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: 126

publication ID 10.5281/zenodo.2163512

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Acropora  microphthalma (Verrill, 1869)

( Fig. 61View FIG. 61)

Madrepora  microphthalma Verrill, 1869: 83.

Type locality. Ryukyu Islands, Japan (holotype YPM). MTQ Holdings. Red Sea: G54753, G54864 Yemen; Socotra: G56958, G57402; Kenya: G35556, G58937; Comoros: G55098–99; Mayotte: G63177–79, G63343, G63423–24; Seychelles: G47931, G51866–68, G59453, G59479, G59501, G59507, G59509, G59539–40, G59542, G59548–50, G59568, G59579, G59584, G59587, G59590; Mauritius: G52118, G54527, G54905–07; Maldives: G52007–08, G52093–94, G53025, G59796–02, G59947–48; Sri Lanka: G55766; Thailand: G32807, G55893–95, G55923–25, G56444; Malaysia: G57658 mainland and islands; G53896, G53929–30, G55027 Sabah; Indonesia: G50485 Sumatra; G49272–74 Bali; G49256 Alor; G35762, G35962, G35970 Maluku; G54009 Tukangbesi Islands; G43818 Taka’bonerate; G50741 Seribu Is; G49248–55, G49363 Flores; G49268–71, G49534, G50911 Kalimantan; G59078 Semau; G35522–25, G48223–28, G49257–67, G49364–66, G50486, G50813–14, G53667–68, G53997–98, G54000–0 1, G63335 Sulawesi; G54008 Molucca Sea; G52416, G53669, G54002–07, G59101 Halmahera; G47050–51, G49362 Banda Sea; G60749, G61295, G61297 Irian Jaya; Australia: G36793, G40849–51, G41146 West; G27042, G27094, G27519–23, G27525, G27527–37, G29283–86, G29288–97, G29510–11, G29514, G29516–19, G29787–88, G29790–99, G31013, G32459, G32465, G39878, G41242–53, G49232, G56928, G56933, G57515, G57532, G58012, G58020, G58077, G58152–55, G58198–207, G58260–61, G58316–18, G58352–53, G58364–65, G58375, G58386 Great Barrier Reef; G29512 Coral Sea; South China Sea: G52230–37, G52257; Japan: G36842, G36921, G47764–66, G47970–71, G48382; Taiwan: G43855, G45827–28, G45893–94, G45902, G46430–31, G47619; Philippines: G32824; Palau: G56872, G56896, G56912–14; Papua New Guinea: G35630, G35916, G35919, G35921, G53252–54, G53352–66, G53568–69, G61731 North: G40849–51, G41146 Timor Sea; Micronesia: G62618, G62719 Pohnpei; Solomon Is.: G58587; New Caledonia: G33086, G34949, G35000, G59170; Chesterfield Atoll: G38156, G38161–63; Marshall Is.: G33131, G57339; Kiribati: G55029–30; Fiji: G33315, G40932.

Species group: horrida  .

Description. Colony outline: indeterminate, predominantly arborescent. Branches: tertiary branching order present; length:>1 0 0 mm; diameter: 10.0–19.9 mm, 50/50 axial/radial, terete; radial crowding: not touching; axial/radial ratio:>1:10. Axial corallites: two synapticular rings; not porous; outer diameter 1.8–2.7 mm; inner diameter 0.6–1.0 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 2/3 R. Coenosteum: same on and between radials: costate; spinule shape: blunt irregular.

Further literature. Nishihira & Veron (1995), Wallace & Wolstenholme (1998), Wallace (1999), Veron (2000), Pillay et al. (2002), Dai & Horng (2009), Turak & DeVantier (2011).