Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Epitheliozoa
Eumetazoa
Bilateria
Nephrozoa (Eubilateria)
Protostome (Protostomia)
Spiralia (Spiralians)
Lophotrochozoa
Annelida (Annelid)
Clitellata
Oligochaeta
Haplotaxida
Tubificina
Enchytraeidae
Hemifridericia (18519456)
Children (3 direct children, 3 direct and indirect children):
Hemifridericia parva
Hemifridericia bivesiculata
Hemifridericia varanensis