Helobdella stagnalis
Animalia | Annelida | Hirudinea | Rhynchobdellida | Erpobdellidae | Helobdella | Helobdella stagnalis
Helobdella stagnalis
root | cellular organisms | Eukaryota | Opisthokonta | Metazoa | Eumetazoa | Bilateria | Protostomia | Spiralia | Lophotrochozoa | Annelida | Clitellata | Hirudinea | Rhynchobdellida | Glossiphoniidae | Helobdella | Helobdella stagnalis
|  | superkingdom | clade | kingdom | clade | clade | clade | clade | clade | phylum | class | subclass | order | family | genus | species