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Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Epitheliozoa
Eumetazoa
Bilateria
Deuterostome (Deuterostomia)
Echinodermata (Echinoderms)
Sea urchin (Echinoidea)
Euechinoidea
Holasteroida
Pseudholasteridae

Pseudholaster (23011653)

Children (5 direct children, 5 direct and indirect children):

Pseudholaster androaviensis

Pseudholaster baconicus

Pseudholaster blackdownensis

Pseudholaster caseyi

Pseudholaster depressus