Anthozoa - Scleractinia - Actinastreidae

Alternative spelling: Stephanasrea

Parent taxon: Actinastraeidae according to E. Roniewicz 1976

Sister taxa: Actinastrea, Agrostyliastraea, Allocoenia, Allocoeniopsis, Araucanastrea, Chondrocoenia, Coenastraea, Columactinastraea, Floriastrea, Holocoenia, Stelidioseris, Texastrea

Subtaxa: Stephanastrea jurassica, Stephanastrea montuosa, Stephanastrea ramulifera, Stephanastrea simonneliana, Stephanastrea zangbeiensis

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Ecology: stationary intermediate-level epifaunal photosymbiotic-suspension feeder