National Center for Biotechnology Information (NCBI) Organismal Classification	The Amphioxus Development and Anatomy Ontology	Source
http://purl.bioontology.org/ontology/STY/T024	http://purl.obolibrary.org/obo/AMPHX_1000004	LOOM
http://purl.bioontology.org/ontology/STY/T025	http://purl.obolibrary.org/obo/CL_0000000	LOOM
http://purl.bioontology.org/ontology/STY/T017	http://purl.obolibrary.org/obo/UBERON_0000061	LOOM