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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)
Parasitiformes (Anactinotrichida)

Mesostigmata (1240844)

Children (44 direct children, 7251 direct and indirect children):

Zerconidae (tree size 145)

Leptolaelapidae (tree size 24)

Rhinonyssidae (tree size 62)

Microgyniina (tree size 7)

Sejida (tree size 44)

Uropodidae (tree size 467)

Ascoidea (tree size 559)
Dermanyssina

Antennophorina (tree size 49)

Veigaiidae (tree size 57)

Digamasellidae (tree size 129)

Diplogyniidae (tree size 18)

Eviphididae (tree size 73)

Fedrizziidae (tree size 1)

Ichthyostomatogasteridae (tree size 5)
Ichthyosomatogasteridae

Macrochelidae (tree size 202)

Monogynaspida (tree size 894)

Ologamasidae (tree size 517)

Parantennulidae (tree size 8)

Philodanidae (tree size 4)

Rhodacaridae (tree size 180)

Rhodacaroidea (tree size 6)

Triplogyniidae

Uropodina (tree size 834)

Coprozerconidae (tree size 4)

Phytoseioidea (tree size 2510)

Sejina (tree size 1)

Trigynaspida (tree size 26)

Gamasida (tree size 1)

Polyaspidae (tree size 3)

Heatherellidae (tree size 1)

Thinozerconidae (tree size 2)

Arctacarina

Dermanyssina (tree size 1)

Epicriina

Parasitina (tree size 307)

Promegistidae (tree size 2)

Saprogamasidae

Blattisociidae (tree size 59)

Bulbogamasidae

Ptochacaridae (tree size 1)

Trichoaspididae (tree size 2)

Heatherellina

Diarthrophallina

Costacaridae (tree size 2)