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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)
Crinozoa
Crinoidea (Feather stars)
Articulata (Articulata (crinoidea))
Roveacrinida
Saccocomidae
Saccocominae

Costatocrinus (102399445)

Children (3 direct children, 5 direct and indirect children):

Costatocrinus elegans

Costatocrinus laevis

Costatocrinus rostratus (tree size 2)