Wikipedia
Acanthastrea
Acanthastrea is a genus of large polyp stony corals in the family Lobophylliidae. The colonies are massive and usually flat. The corallites are either circular or angular in shape. The septae are thick near the wall of the corallite, becoming thin near the columella, and have tall teeth. The polyps are extended only at night.
The genus contains the following species:
- Acanthastrea amakusensis - Veron
- Acanthastrea angulosa - (Dana, 1846)
- Acanthastrea bowerbanki - Milne Edwards & Haime, 1857
- Acanthastrea brevis
- Acanthastrea echinata - (Dana, 1846)
- Acanthastrea erythraea
- Acanthastrea faviaformis - Veron, 2002
- Acanthastrea hemprichii - (Ehrenberg, 1834)
- Acanthastrea hillae - Wells, 1955
- Acanthastrea ishigakiensis - Veron, 1990
- Acanthastrea lordhowensis - Veron & Pichon, 1982
- Acanthastrea maxima - Sheppard & Salm, 1988
- Acanthastrea regularis - Veron, 2002
- Acanthastrea rotundoflora - Chevalier, 1975
- Acanthastrea simplex
- Acanthastrea subechinata - Veron, 2002