Path
rootcellular organisms
eukaryota
opisthokonta
metazoa
eumetazoa
bilateria
coelomata
protostomia
panarthropoda
arthropoda
mandibulata
pancrustacea
crustacea
maxillopoda
copepoda
neocopepoda
gymnoplea
calanoida
clausocalanidae
clausocalanus
clausocalanus arcuicornis