National Center for Biotechnology Information (NCBI) Organismal Classification	Relations Ontology	Source
http://purl.obolibrary.org/obo/OBI_0100026	http://purl.bioontology.org/ontology/STY/T001	LOOM
http://purl.obolibrary.org/obo/CL_0000000	http://purl.bioontology.org/ontology/STY/T025	LOOM
http://purl.obolibrary.org/obo/UBERON_0000061	http://purl.bioontology.org/ontology/STY/T017	LOOM