Astrocoeniidae
Astrocoeniidae is a family of stony corals. The family is distributed across the tropical and subtropical oceans worldwide.

Description
Astrocoeniids include both hermatypic and ahermatypic (reef-building) colonial corals, both with and without symbiotic zooxanthellae. The family is made up of both branching and encrusting species which can range in size from less than  to more than  across.

Species
The World Register of Marine Species includes the following genera and species in the family:

 Astrocoenia Milne Edwards & Haime, 1848 † 
 Astrocoenia blanfordi Duncan, 1880 †
 Astrocoenia cellulata Duncan, 1880 †
 Astrocoenia dachiardii Duncan, 1873 †
 Astrocoenia decaphylla Duncan, 1863 †
 Astrocoenia gibbosa Duncan, 1880 †
 Palauastrea Yabe & Sugiyama, 1941
 Palauastrea ramosa Yabe & Sugiyama, 1941 
 Stephanocoenia Milne Edwards & Haime, 1848
 Stephanocoenia incrustans Duncan, 1873 †
 Stephanocoenia intersepta (Lamarck, 1816) - synonym, Stephanocoenia michelini
 Stephanocoenia maxima Duncan, 1880 †
 Stephanocoenia microtuberculata Duncan, 1880 †
 Stephanocoenia reussi Duncan, 1868 †
 Stephanocoenia tenuis Duncan, 1863 †
 Stylocoenia Milne Edwards & Haime, 1849 †
 Stylocoenia maxima Duncan, 1880 †
 Stylocoenia ranikoti Duncan, 1880 †
 Stylocoenia taurinensis Michelin, 1842 †
 Stylocoeniella Yabe & Sugiyama, 1935
 Stylocoeniella armata (Ehrenberg, 1834) 
 Stylocoeniella cocosensis Veron, 1990
 Stylocoeniella guentheri (Bassett-Smith, 1890)
 Stylocoeniella nikei Benzoni & Pichon, 2004

References

Scleractinia
Cnidarian families