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