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 bulla (14330063)
Children (2 direct children, 2 direct and indirect children):
Semicassis bulla bulla
Semicassis bulla fernandesi