Opisthobranchia
Animalia | Mollusca | Gastropoda
Opisthobranchia
Animalia | Bilateria | Protostomia | Lophozoa | Mollusca | Gastropoda | Opisthobranchia
ITIS:AUTHORSHIP:0 | ITIS:AUTHORSHIP:0 | ITIS:AUTHORSHIP:0 | ITIS:AUTHORSHIP:0 | ITIS:AUTHORSHIP:0 | Cuvier, 1797 | Milne-Edwards, 1848