Rhynchonellata - Spiriferinida - Syringothyrididae

Parent taxon: Permasyrinxinae according to A. Williams et al. 2006

Sister taxa: Asyrinxia, Cundaria, Cyrtella, Kungaella, Myodelthyrium, Pachycyrtella, Petinospiriferina, Primorewia, Pseudosyringothyris, Pseudosyrinx, Subansiria, Sulcicosta, Syrella, Verkhotomia, Woolagia

Subtaxa: Permasyrinx procera, Permasyrinx prolonga, Permasyrinx subelongata, Permasyrinx transversa

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Ecology: stationary low-level epifaunal suspension feeder