Anthozoa - Stauriida - Petalaxidae

Alternative combination: Kleopatrina (Porfirievella) zulloi

Belongs to Cystolonsdaleia according to J. Fedorowski et al. 2007

Sister taxa: Cystolonsdaleia arctica, Cystolonsdaleia berthiaumi, Cystolonsdaleia carteri, Cystolonsdaleia danneri, Cystolonsdaleia guaspariniae, Cystolonsdaleia hormos, Cystolonsdaleia neriae, Cystolonsdaleia obesa

Ecology: stationary epifaunal suspension feeder