Selected Taxon
Norwalk-like viruses
The lineage is ordered from the selected organism upward toward higher-level taxonomy.
Starting point:
Norwalk-like viruses
Level 1:
Caliciviridae
(family)
Level 2:
ssRNA positive-strand viruses, no DNA stage
(no rank)
Level 3:
Vira
(no rank)
Level 4:
all
(no rank)