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Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Epitheliozoa
Eumetazoa
Bilateria
Nephrozoa (Eubilateria)
Protostome (Protostomia)
Ecdysozoa (Ecdysozoan)
Panarthropoda
Tactopoda
Arthropoda (Arthropod)
Chelicerata (Chelicerates)
Euchelicerata
Prosomapoda
Merostomata (Horseshoe crabs)
Xiphosura
Xiphosurida
Planaterga
Dekatriata
Sclerophorata
Arachnida (Arachnids)
Acari (Acarina)
Acariformes (Mites and ticks)
Trombidiformes
Prostigmata (Prostigs)
Anystina
Parasitengona
Hydrovolzioidea
Hydrovolziidae

Hydrovolzia (4634533)

Children (7 direct children, 7 direct and indirect children):

Hydrovolzia mitchelli

Hydrovolzia gerhardi

Hydrovolzia baderi

Hydrovolzia cancellata

Hydrovolzia oscensis

Hydrovolzia placophora

Hydrovolzia vietsi