Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Epitheliozoa
Eumetazoa
Bilateria
Nephrozoa (Eubilateria)
Protostome (Protostomia)
Spiralia (Spiralians)
Lophotrochozoa
Mollusca (Molluscs)
Gastropoda (Gastropod)
Orthogastropoda
Caenogastropoda
Littorinimorpha
Cassoidea
Cassidae (Helmet snails)
Semicassis
Semicassis bisulcata (6786886)
Children (2 direct children, 2 direct and indirect children):
Semicassis bisulcata booleyi
Semicassis bisulcata persimilis