Porphyrocrinidae

Cladus: Eukaryota
Supergroup: Unikonta
Cladus: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Deuterostomia
Phylum: Echinodermata
Subphylum: Pelmatozoa
Classis: Crinoidea
Subclassis: Articulata
Ordo: Bourgueticrinida
Familia: Porphyrocrinidae
Genera: Naumachocrinus - Porphyrocrinus