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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)
Chordata (Chordates)
Olfactores
Craniata (Craniata (chordata))
Vertebrata (Animals with backbone)
Gnathostomata (Gnathostome)
Chondrichthyes (Cartilaginous fishes)
Euselachii (Sharks)
Elasmobranchii
Ctenacanthiformes
Ctenacanthidae

Ctenacanthus (21279027)

Children (4 direct children, 4 direct and indirect children):

Ctenacanthus concinnus

Ctenacanthus terrelli

Ctenacanthus tumidus

Ctenacanthus elegans
C. elegans