Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Epitheliozoa
Eumetazoa
Bilateria
Deuterostome (Deuterostomia)
Echinodermata (Echinoderms)
Crinozoa
Crinoidea (Feather stars)
Articulata (Articulata (crinoidea))
Isocrinida
Isocrinina
Proisocrinidae
Children (1 direct children, 1 direct and indirect children):
Proisocrinus ruberrimus