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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
Gnathostomata (Gnathostomata (echinoid))
Clypeasteroida (Sand dollars)
Scutellina
Laganiformes
Laganidae

Sismondia (28092822)

Children (7 direct children, 8 direct and indirect children):

Sismondia saemanni

Sismondia barabirensis

Sismondia convexa

Sismondia crustula

Sismondia javana (tree size 1)

Sismondia naganoensis

Sismondia polymorpha