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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)
Spiralia (Spiralians)
Lophotrochozoa
Mollusca (Molluscs)
Bivalvia
Heterodonta
Euheterodonta
Imparidentia
Galeommatoidea
Lasaeidae

Arthritica (3801328)

Children (14 direct children, 14 direct and indirect children):

Arthritica crassiformis

Arthritica hulmei

Arthritica bifurca

Arthritica helmsi

Arthritica japonica

Arthritica semen

Arthritica reikoae

Arthritica whitechurchi

Arthritica ambotruncata

Arthritica crassitesta

Arthritica dispar

Arthritica elongata

Arthritica finlayi

Arthritica perfragilis