These organisms are in the kingdom Animalia , the phylum Chordata , the class Leptocardii , and the order Amphioxiformes .
Buccal cirri are found in organisms in the group called Amphioxus , which are commonly known as Lancelets .
These organisms are in the kingdom Animalia , the phylum Chordata , the class Leptocardii , and the Lancelets Lancelets .
Buccal cirri are found in organisms in the group called Amphioxus , which are commonly known as Lancelets .