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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

Fibulariidae (668408)

Children (7 direct children, 107 direct and indirect children):

Echinocyamus (tree size 53)

Fibularia (tree size 36)

Mortonia (tree size 3)

Fibulariella (tree size 4)

Cyamidia (tree size 3)

Lenicyamidia (tree size 1)

Thagastea