Subfamily Porphyrocrininae Clark 1973 (Feather star)
Crinoidea - Comatulida - Phrynocrinidae
Parent taxon: Phrynocrinidae according to H. Hess and C. G. Messing 2011
Sister taxon: Phrynocrininae
Subtaxa: Porphyrocrinus
Ecology: facultatively mobile intermediate-level epifaunal suspension feeder
Distribution: there are no occurrences of Porphyrocrininae in the database