Propriétés
- nom_scientifique
- Umbraculum
- p171_chain
- Umbraculidae → Umbraculida → Euthyneura → Heterobranchia → Gastropoda → Mollusques → Lophotrochozoa → Spiralia → Protostomia → Nephrozoa → Bilateria → Eumetazoa → Animal → Choanozoa → Filozoa → Holozoa → Opisthokonta → Eukaryota → Biota