Anthozoa - Scleractinia - Actinastreidae
Alternative combinations: Astrea trochiformis, Stephanocoenia trochiformis, Stylina trochiformis
Belongs to Actinastrea according to O. F. Geyer 1955
Sister taxa: Actinastrea actinastrae, Actinastrea aequibernensis, Actinastrea asteriscus, Actinastrea bastidensis, Actinastrea benaixensis, Actinastrea besairiei, Actinastrea cavernata, Actinastrea crassoramosa, Actinastrea cribellum, Actinastrea elongata, Actinastrea engolismensis, Actinastrea exigua, Actinastrea fromenteli, Actinastrea furcata, Actinastrea geminata, Actinastrea gibbosa, Actinastrea goldfussi, Actinastrea guadalupae, Actinastrea hexacnema, Actinastrea hexamera, Actinastrea hexaphylla, Actinastrea hourcqi, Actinastrea inrasa, Actinastrea lacvivieri, Actinastrea matheyi, Actinastrea minima, Actinastrea minima, Actinastrea minutissima, Actinastrea nathani, Actinastrea octolamellosa, Actinastrea parasitica, Actinastrea pedunculata, Actinastrea pentagonalis, Actinastrea piveteaui, Actinastrea plana, Actinastrea ramosa, Actinastrea sakalavensis, Actinastrea subdecaphylla, Actinastrea urgonensis, Enallocoenia callomoni
Ecology: stationary intermediate-level epifaunal photosymbiotic-suspension feeder