Anthozoa - Scleractinia - Isastreidae

Synonym: Actinastraeopsis Sikharulidze 1977

Parent taxon: Isastreidae according to R. C. Baron-Szabo 2002

Sister taxa: Parisastraea, Pseudofavites

Subtaxa: Tricassastraea parnassensis

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Ecology: stationary intermediate-level epifaunal photosymbiotic-suspension feeder